
1

2
2',5' RNA ligase (1)
2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)pyrimidine 1-reductase, archaeal (1)
2-isopropylmalate synthase LeuA, allosteric (dimerisation) domain (2)
2-oxo acid dehydrogenase, lipoyl-binding site (4)
2-oxoacid:acceptor oxidoreductase, delta subunit, pyruvate/2-ketoisovalerate (2)
2-oxoacid:acceptor oxidoreductase, gamma subunit, pyruvate/2-ketoisovalerate (2)
2-phosphosulpholactate phosphatase (1)
20S proteasome, A and B subunits (2)
26S proteasome subunit P45 (2)
2Fe-2S ferredoxin, iron-sulphur binding site (3)

3

4

5

6

A
AAA ATPase VAT, N-terminal (3)
AAA ATPase, CDC48 (3)
AAA ATPase, conserved site (6)
AAA ATPase, core (11)
AAA+ ATPase, core (77)
AAA-type ATPase chaperone, MoxR, predicted (2)
ABC transporter integral membrane type 1 (4)
ABC transporter, NodI (1)
ABC transporter, conserved site (39)
ABC transporter, phosphate import, PstB (1)
ABC transporter, transmembrane region (4)
ABC transporter, transmembrane region, type 1 (6)
ABC transporter-like (57)
ABC-2 (12)
ABC-2 type transporter (16)
ABC-2 type transporter, NodJ (1)
ABC-3 (1)
AIR synthase related protein (6)
AIR synthase related protein, C-terminal (6)
AMMECR1 (1)
AMP phosphorylase (1)
AMP-dependent synthetase and ligase (10)
AP endonuclease, family 1 (1)
AP endonuclease, family 2 (1)
APOBEC/CMP deaminase, zinc-binding (2)
ARF/SAR superfamily (2)
ATP dependent DNA ligase, C-terminal (2)
ATP dependent DNA ligase, central (2)
ATP phosphoribosyltransferase, catalytic region (1)
ATP-NAD kinase, PpnK-type (1)
ATP-NAD kinase, PpnK-type, all-beta (1)
ATP-NAD/AcoX kinase (1)
ATP-binding region, ATPase-like (58)
ATP-cone (1)
ATP-dependent DNA ligase (1)
ATP-dependent DNA ligase, conserved site (1)
ATP-dependent phosphofructokinase, prokaryotic (3)
ATP-grasp fold (11)
ATP-grasp fold, ATP-dependent carboxylate-amine ligase-type (2)
ATP-grasp fold, DUF201-type (2)
ATP-grasp fold, RimK-type (1)
ATP-grasp fold, subdomain 1 (8)
ATP-grasp fold, subdomain 2 (6)
ATP-grasp fold, succinyl-CoA synthetase-type (1)
ATP-sulfurylase (1)
ATPase associated with various cellular activities, AAA-2 (1)
ATPase associated with various cellular activities, AAA-3 (2)
ATPase associated with various cellular activities, AAA-5 (4)
ATPase, A1 complex, alpha subunit (1)
ATPase, A1 complex, subunit C archaea (2)
ATPase, BadF/BadG/BcrA/BcrD type (1)
ATPase, F0/V0 complex, subunit C (2)
ATPase, F1/V1/A1 complex, alpha/beta subunit, C-terminal (4)
ATPase, F1/V1/A1 complex, alpha/beta subunit, N-terminal (4)
ATPase, F1/V1/A1 complex, alpha/beta subunit, nucleotide-binding (4)
ATPase, P type cation/copper-transporter (2)
ATPase, P-type cation-transporter, C-terminal (3)
ATPase, P-type cation-transporter, N-terminal (7)
ATPase, P-type, K/Mg/Cd/Cu/Zn/Na/Ca/Na/H-transporter (16)
ATPase, V0/A0 complex, 116-kDa subunit (2)
ATPase, V0/A0 complex, subunit C/D (2)
ATPase, V1/A1 complex, subunit D (2)
ATPase, V1/A1 complex, subunit E (2)
ATPase, V1/A1 complex, subunit F (2)
Abortive infection protein (6)
Acetate and butyrate kinase (1)
Acetohydroxy acid isomeroreductase (1)
Acetohydroxy acid isomeroreductase C-terminal (1)
Acetohydroxy acid isomeroreductase, catalytic (1)
Acetolactate synthase, large subunit, biosynthetic (1)
Acetolactate synthase, small subunit (1)
Acetyl coenzyme A synthetase (ADP forming), alpha domain (1)
Acetyl-CoA carboxylase, biotin carboxylase (1)
Acetylglutamate kinase (1)
Acetylornithine and succinylornithine aminotransferase (1)
Acetylornithine deacetylase or succinyl-diaminopimelate desuccinylase (1)
Acetyltransferase, GNAT, predicted (1)
Aconitase A/isopropylmalate dehydratase small subunit, swivel (3)
Aconitase-like core (6)
Aconitase/3-isopropylmalate dehydratase large subunit, alpha/beta/alpha (3)
Aconitase/3-isopropylmalate dehydratase large subunit, alpha/beta/alpha, subdomain 2 (3)
Aconitase/3-isopropylmalate dehydratase large subunit, alpha/beta/alpha, subdomains 1 and 3 (3)
Aconitase/3-isopropylmalate dehydratase, swivel (3)
Acyl carrier protein-like (2)
Acyl-CoA N-acyltransferase (18)
Acylphosphatase (2)
Acyltransferase 3 (1)
Adenosylcobinamide amidohydrolase, CbiZ (1)
Adenylate cyclase (1)
Adenylate kinase (3)
Adenylate kinase, subfamily (1)
Adenylate kinase, zinc-finger lid region (1)
Adenylosuccinate lyase (1)
Adenylosuccinate synthetase (1)
Adenylyl cyclase CyaB (1)
Adenylylsulphate kinase, C-terminal (1)
Alanine dehydrogenase, archaea (1)
Alanine racemase/group IV decarboxylase, C-terminal (1)
Alanyl-tRNA synthetase, class IIc (3)
Alba, DNA/RNA-binding protein (1)
Alba, DNA/RNA-binding protein, archaeal (1)
Alcohol dehydrogenase GroES-like (1)
Alcohol dehydrogenase superfamily, zinc-containing (1)
Alcohol dehydrogenase, zinc-binding (1)
Alcohol dehydrogenase, zinc-containing, conserved site (1)
Aldehyde dehydrogenase (1)
Aldehyde dehydrogenase, N-terminal (1)
Aldehyde dehydrogenase, conserved site (4)
Aldehyde ferredoxin oxidoreductase, C-terminal (2)
Aldehyde ferredoxin oxidoreductase, N-terminal (2)
Aldehyde ferredoxin oxidoreductase, domain 3 (2)
Aldehyde/histidinol dehydrogenase (2)
Aldo/keto reductase (4)
Aldolase-type TIM barrel (48)
Alkaline phosphatase-like, alpha/beta/alpha (4)
Alkaline-phosphatase-like, core domain (8)
Alkyl hydroperoxide reductase/ Thiol specific antioxidant/ Mal allergen (9)
Alkylbase DNA glycosidase, conserved site (1)
Alkylhydroperoxidase AhpD core (2)
Alpha-D-phosphohexomutase, C-terminal (2)
Alpha-D-phosphohexomutase, alpha/beta/alpha I, II and III (2)
Alpha-D-phosphohexomutase, alpha/beta/alpha domain I (2)
Alpha-D-phosphohexomutase, alpha/beta/alpha domain II (2)
Alpha-D-phosphohexomutase, alpha/beta/alpha domain III (2)
Alpha-D-phosphohexomutase, conserved site (2)
Alpha-acetolactate decarboxylase (1)
Alpha-helical ferredoxin (10)
Alpha-isopropylmalate/homocitrate synthase, conserved site (4)
Alpha/beta hydrolase fold-1 (6)
Alpha/beta hydrolase fold-3 (1)
Amidase signature enzyme (2)
Amidohydrolase 1 (3)
Amidohydrolase 3 (2)
Amidophosphoribosyl transferase (1)
Amino acid ABC transporter, permease protein, 3-TM region, His/Glu/Gln/Arg/opine (1)
Amino acid adenylation (1)
Amino acid kinase predicted (1)
Amino acid permease-associated region (3)
Amino acid-binding ACT (9)
Amino acid/polyamine transporter I (3)
Aminoacyl-tRNA synthetase, class 1a, anticodon-binding (6)
Aminoacyl-tRNA synthetase, class I (M) (2)
Aminoacyl-tRNA synthetase, class I, anticodon-binding (1)
Aminoacyl-tRNA synthetase, class I, conserved site (5)
Aminoacyl-tRNA synthetase, class II (10)
Aminoacyl-tRNA synthetase, class II (D, K and N) (2)
Aminoacyl-tRNA synthetase, class II (G, H, P and S) (6)
Aminoacyl-tRNA synthetase, class Ia (2)
Aminoacyl-tRNA synthetase, class Ib (2)
Aminoglycoside phosphotransferase (1)
Aminotransferase class-III (2)
Aminotransferase, class I and II (8)
Aminotransferase, class IV (1)
Aminotransferase, class V/Cysteine desulfurase (4)
Aminotransferase, class-II, pyridoxal-phosphate binding site (2)
Aminotransferases, class-I, pyridoxal-phosphate-binding site (5)
Ammonium transporter (2)
Amylo-alpha-1,6-glucosidase (4)
Ankyrin (3)
Annexin (1)
Anthranilate phosphoribosyl transferase (1)
Anthranilate synthase component I (1)
Anthranilate synthase component I and chorismate binding protein (1)
Anthranilate synthase component I, N-terminal (1)
Anticodon-binding (5)
Aquaporin (1)
Arc-type ribbon-helix-helix (2)
Archaeal flagellin, N-terminal related (2)
Archaeal translation initiation factor aIF-2, beta subunit (1)
Archaeal/bacterial translation initiation factor SUI1 (2)
Archaeoflavoprotein AfpA (1)
Archaeoflavoprotein MJ0208 (1)
Archaeosine tRNA-ribosyltransferase (1)
ArgE/DapE/ACY1/CPG2/YscS, conserved site (1)
Arginase, subgroup (1)
Arginine biosynthesis protein ArgJ (1)
Argininosuccinate lyase (1)
Argininosuccinate synthase (1)
Arginyl tRNA synthetase, class Ic, N-terminal (1)
Arginyl-tRNA synthetase, class Ic (1)
Arginyl-tRNA synthetase, class Ic, core (1)
Armadillo-like helical (11)
Armadillo-type fold (13)
Arsenical pump membrane protein (1)
Arsenical-resistance protein ACR3 (1)
Asp/Glu racemase (1)
Asp/Glu/hydantoin racemase (1)
Asparaginase/glutaminase (2)
Asparagine synthase (1)
Asparaginyl-tRNA synthetase, class IIb (1)
Aspartate carbamoyltransferase, eukaryotic (1)
Aspartate decarboxylase-like fold (8)
Aspartate dehydrogenase (1)
Aspartate dehydrogenase, NAD biosynthesis (1)
Aspartate kinase region (1)
Aspartate kinase, monofunctional class (1)
Aspartate racemase (1)
Aspartate transcarbamylase regulatory subunit (1)
Aspartate-semialdehyde dehydrogenase (1)
Aspartate-semialdehyde dehydrogenase, conserved site (1)
Aspartate-semialdehyde dehydrogenase, peptidoglycan lacking (1)
Aspartate/glutamate/uridylate kinase (6)
Aspartate/homoserine dehydrogenase, NAD-binding (2)
Aspartate/ornithine carbamoyltransferase (2)
Aspartate/ornithine carbamoyltransferase, Asp/Orn-binding region (2)
Aspartate/ornithine carbamoyltransferase, carbamoyl-P binding (2)
Aspartyl-tRNA synthetase, class IIb, archea/euk type (1)
Auxin efflux carrier (1)

B
B3/B4 tRNA-binding domain (2)
BNR repeat (2)
Bacterial DNA recombination protein RuvA (1)
Bacterial Fmu (Sun)/eukaryotic nucleolar NOL1/Nop2p (1)
Bacterial Ig-like, group 1 (3)
Bacterial bifunctional deaminase-reductase, C-terminal (2)
Bacterial extracellular solute-binding protein, family 3 (3)
Bacterial extracellular solute-binding protein, family 5 (2)
Bacterial extracellular solute-binding, family 1 (2)
Bacterial luciferase-like (2)
Bacterial regulatory protein, ArsR (15)
Bacterial regulatory protein, Crp (1)
Bacterial regulatory protein, MarR (5)
Bacterial sec-independent translocation protein mttA/Hcf106 (2)
Bacterial transcription activator, effector binding (1)
Bacterial transferase hexapeptide repeat (10)
Bacterial transport system permease protein (3)
Bacterio-opsin activator, HTH (2)
Band 7 protein (1)
Baseplate assembly protein J-like, predicted (1)
Beta tubulin, autoregulation binding site (4)
Beta-Ig-H3/fasciclin (8)
Beta-grasp fold, ferredoxin-type (3)
Beta-lactamase-like (18)
Beta2-adaptin/TATA-box binding, C-terminal (3)
Bifunctional 3-hexulose-6-phosphate synthase/demethylmenaquinone methyltransferase, predicted (1)
Bifunctional phosphopantothenoylcysteine decarboxylase/phosphopantothenate--cysteine ligase (1)
Bile acid:sodium symporter (2)
Binding-protein-dependent transport systems inner membrane component (8)
BioY protein (1)
Biotin carboxylase, C-terminal (1)
Biotin carboxylation region (1)
Biotin protein ligase, C-terminal (1)
Biotin--acetyl-CoA-carboxylase ligase (2)
Biotin-binding site (1)
Biotin/lipoate A/B protein ligase (3)
Biotin/lipoyl attachment (2)
Blue (type 1) copper domain (4)
Branched-chain amino acid aminotransferase I (1)

C
C-5 cytosine-specific DNA methylase (1)
CDC6, C terminal (1)
CDP-alcohol phosphatidyltransferase (5)
CDP-diacylglycerol--glycerol-3-phosphate 3-phosphatidyltransferase (1)
CGCAxxGCC motif (1)
CMP/dCMP deaminase, zinc-binding (3)
CO dehydrogenase/acetyl-CoA synthase delta subunit, TIM barrel (1)
CTP synthase (1)
CTP synthase, N-terminal (1)
Cache (1)
Cadherin-like (1)
Calcium-binding EF-hand (5)
Calcium/proton exchanger superfamily (1)
Carbamoyl phosphate synthase, large subunit, N-terminal (2)
Carbamoyl phosphate synthase, large subunit, glutamine-dependent (1)
Carbamoyl phosphate synthase, small subunit (1)
Carbamoyl phosphate synthase, small subunit, N-terminal (1)
Carbamoyl phosphate synthetase, large subunit, ATP-binding (3)
Carbamoyl phosphate synthetase, large subunit, oligomerisation (1)
Carbohydrate kinase, predicted (1)
Carbohydrate-binding, CenC-like (2)
Carbohydrate-binding-like fold (11)
Carbohydrate/puine kinase, PfkB, conserved site (3)
Carbohydrate/purine kinase (4)
Carbonic anhydrase (1)
Carboxylyase-related (1)
Carboxymuconolactone decarboxylase (2)
Carboxypeptidase, regulatory region (1)
Carboxypeptidase-like, regulatory region (32)
Catalytic domain of components of various dehydrogenase complexes (1)
Cation efflux protein (2)
Cation transporter (2)
Cationic amino acid transporter (1)
Cecropin (1)
Cell division ATPase MinD (3)
Cell division control protein 6 related, archaea (2)
Cell division protein 48, CDC48, domain 2 (3)
Cell division protein FtsZ, N-terminal (3)
Cell division transporter substrate-binding protein FtsY (1)
Chaperone DnaJ (1)
Chaperone DnaJ, C-terminal (1)
Chaperone DnaK (1)
Chaperonin Cpn60/TCP-1 (3)
Chaperonin TCP-1, conserved site (3)
Chaperonin clpA/B (1)
CheY-like (9)
Chloride channel, voltage gated (1)
Chondroitin AC/alginate lyase (1)
Chordopoxvirus A13L (1)
Chorismate binding, C-terminal (1)
Chorismate mutase (1)
Chorismate mutase, archaeal (1)
Chorismate synthase (1)
Chromosome segregation protein SMC, prokaryotic (1)
Circadian clock protein KaiC (6)
Circadian clock protein KaiC, central region (3)
Class II aldolase/adducin, N-terminal (1)
CoA enzyme activase (1)
CoA-binding (2)
CoB--CoM heterodisulphide reductase, subunit C (2)
CoB/CoM heterodisulphide reductase, subunit B (2)
CobB/CobQ glutamine amidotransferase (1)
CobB/CobQ-like glutamine amidotransferase (1)
Cobalamin (vitamin B12) biosynthesis CbiB (1)
Cobalamin (vitamin B12) biosynthesis CbiM (1)
Cobalamin (vitamin B12) biosynthesis CbiX (4)
Cobalamin (vitamin B12) biosynthesis CobS, cobalamin-5-phosphate synthase (1)
Cobalamin (vitamin B12) biosynthesis CobW-like (1)
Cobalamin (vitamin B12)-binding (2)
Cobalt ABC transporter CbiQ, permease subunit (2)
Cobalt transport protein (4)
Cobyrinic acid a,c-diamide synthase (8)
Cobyrinic acid a,c-diamide synthase CbiA (1)
Coenzyme F390 synthetase (1)
Coenzyme F420 hydrogenase, subunit alpha (2)
Coenzyme F420 hydrogenase, subunit beta (1)
Coenzyme F420 hydrogenase, subunit gamma (2)
Coenzyme F420 hydrogenase/dehydrogenase beta subunit, C-terminal (5)
Coenzyme F420 hydrogenase/dehydrogenase beta subunit, N-terminal (5)
Coenzyme PQQ biosynthesis protein E (3)
Cof protein (1)
Cofactor-independent phosphoglycerate mutase, archaeal (3)
Collagen-binding surface protein Cna-like, B region (6)
Concanavalin A-like lectin/glucanase (6)
Condensation domain (1)
Conserved carboxylase region (1)
Conserved hypothetical protein CHP00027, methylltransferase (1)
Conserved hypothetical protein CHP00061 (1)
Conserved hypothetical protein CHP00062 (1)
Conserved hypothetical protein CHP00251 (1)
Conserved hypothetical protein CHP00268 (1)
Conserved hypothetical protein CHP00270 (1)
Conserved hypothetical protein CHP00289 (1)
Conserved hypothetical protein CHP00300 (1)
Conserved hypothetical protein CHP00374 (1)
Conserved hypothetical protein CHP00423 (2)
Conserved hypothetical protein CHP00730 (1)
Conserved hypothetical protein CHP01210 (1)
Conserved hypothetical protein CHP01213 (1)
Conserved hypothetical protein, MTH865 (3)
CopG-like DNA-binding (3)
Copper ion-binding (1)
Crossover junction endodeoxyribonuclease RuvC (1)
CsbD-like (1)
Cupin 2, conserved barrel (8)
Cupin, RmlC-type (12)
Cupredoxin (7)
Cyclic nucleotide-binding (3)
Cyclin (1)
Cyclin-like (1)
Cyclin-related (1)
Cyclophilin-like (2)
Cystathionine beta-synthase, core (18)
Cysteine desulfurase, NifS (2)
Cysteine desulfurase, NifS, bacterial/archaeal (2)
Cysteine-rich region, CCG (7)
Cysteine-rich small domain (1)
Cysteinyl-tRNA synthetase, class Ia (1)
Cysteinyl-tRNA synthetase, class Ia, C-terminal (1)
Cysteinyl-tRNA synthetase, class Ia, DALR (1)
Cysteinyl-tRNA synthetase, class Ia, N-terminal (1)
Cytidine deaminase (1)
Cytidine deaminase-like (3)
Cytidylate kinase, putative (1)
Cytidyltransferase-related (3)
Cytidylyltransferase (3)
Cytochrome C oxidase subunit II-like, transmembrane region (1)
Cytochrome c assembly protein, transmembrane region (4)
Cytochrome cd1-nitrite reductase-like, C-terminal haem d1 (1)
Cytochrome oxidase subunit I related protein (1)
Cytochrome-c3 hydrogenase, gamma subunit (2)

D
D-3-phosphoglycerate dehydrogenase (1)
D-3-phosphogylcerate Dehydrogenase (1)
D-isomer specific 2-hydroxyacid dehydrogenase, NAD-binding (2)
D-isomer specific 2-hydroxyacid dehydrogenase, catalytic region (2)
D12 class N6 adenine-specific DNA methyltransferase (1)
DALR anticodon binding (1)
DEAD-like helicase, N-terminal (11)
DEAD/H associated (2)
DEAD2 (1)
DGC (1)
DHBP synthase RibB (1)
DHBP synthase RibB-like alpha/beta domain (3)
DKCLD (1)
DNA adenine methylase (1)
DNA alkylation repair enzyme (1)
DNA breaking-rejoining enzyme, catalytic core (4)
DNA glycosylase (5)
DNA glycosylase/AP lyase and isoleucyl tRNA synthetase, zinc finger domain (1)
DNA glycosylase/AP lyase, H2TH DNA-binding (2)
DNA glycosylase/AP lyase, catalytic domain (1)
DNA glycosylase/AP lyase, zinc finger domain (1)
DNA gyrase, subunit A (1)
DNA gyrase, subunit B (1)
DNA gyrase/topoisomerase IV, subunit A, C-terminal beta-pinwheel (1)
DNA helicase, ATP-dependent, Ku type (1)
DNA helicase, Holliday junction RuvA type, C-terminal domain III (1)
DNA helicase, Holliday junction RuvA type, domain I, bacterial (1)
DNA helicase, Holliday junction RuvB type (1)
DNA helicase, Holliday junction RuvB type, C-terminal (1)
DNA helicase, Holliday junction RuvB type, N-terminal (1)
DNA helicase, UvrD-like, C terminal (1)
DNA helicase, UvrD/REP type (1)
DNA ligase D, 3'-phosphoesterase domain (1)
DNA ligase, N-terminal (1)
DNA methylase N-4/N-6 (5)
DNA mismatch repair protein MutS, C-terminal (3)
DNA polymerase II large subunit DP2 (1)
DNA polymerase II large subunit DP2, N-terminal (1)
DNA polymerase II small subunit, archaeal (1)
DNA polymerase III clamp loader subunit, C-terminal (1)
DNA polymerase LigD, ligase region (1)
DNA polymerase LigD, polymerase domain (1)
DNA primase, large subunit, eukaryotic/archaeal (1)
DNA primase, phage/plasmid (1)
DNA primase, small subunit (2)
DNA primase, small subunit, eukaryotic and archaeal (1)
DNA primase/polymerase, bifunctional, N-terminal (2)
DNA repair Rad51/transcription factor NusA, alpha-helical (2)
DNA repair and recombination protein RadA (1)
DNA repair and recombination protein RadB (1)
DNA repair and recombination, RecA-like (1)
DNA repair nuclease, XPF-type/Helicase (1)
DNA repair protein (XPGC)/yeast Rad (1)
DNA topoisomerase VI, subunit B (1)
DNA topoisomerase VI, subunit B, transducer (2)
DNA topoisomerase, type IA, DNA-binding (2)
DNA topoisomerase, type IA, central (2)
DNA topoisomerase, type IA, central region, subdomain 1 (2)
DNA topoisomerase, type IA, central region, subdomain 3 (2)
DNA topoisomerase, type IA, core (2)
DNA topoisomerase, type IA, domain 2 (2)
DNA topoisomerase, type IA, zn finger (2)
DNA topoisomerase, type IIA, central (2)
DNA topoisomerase, type IIA, subunit A or C-terminal (1)
DNA topoisomerase, type IIA, subunit A or C-terminal, alpha-beta (1)
DNA topoisomerase, type IIA, subunit A, alpha-helical (1)
DNA topoisomerase, type IIA, subunit B or N-terminal (1)
DNA topoisomerase, type IIA, subunit B or N-terminal, alpha-beta (1)
DNA topoisomerase, type IIA, subunit B, C-terminal (1)
DNA topoisomerase, type IIA, subunit B, region 2 (1)
DNA-binding TFAR19-related protein (1)
DNA-binding protein Tfx (1)
DNA-dependent ATPase MCM (1)
DNA-directed DNA polymerase, family B (3)
DNA-directed DNA polymerase, family B, pol2 (1)
DNA-directed DNA polymerase, family B, conserved region (3)
DNA-directed DNA polymerase, family B, exonuclease (2)
DNA-directed DNA polymerase, family X (1)
DNA-directed DNA polymerase, family X, beta-like, N-terminal (1)
DNA-directed RNA polymerase (1)
DNA-directed RNA polymerase Rpb11, 13-16 kDa subunit, conserved site (1)
DNA-directed RNA polymerase, 14 to 18 kDa subunit (1)
DNA-directed RNA polymerase, RBP11-like (2)
DNA-directed RNA polymerase, RpoA/D/Rpb3-type (1)
DNA-directed RNA polymerase, RpoE2, archaeal (1)
DNA-directed RNA polymerase, dimerisation (2)
DNA-directed RNA polymerase, insert (1)
DNA-directed RNA polymerase, subunit 2 (2)
DNA-directed RNA polymerase, subunit 2, domain 6 (1)
DNA-directed RNA polymerase, subunit A' (1)
DNA-directed RNA polymerase, subunit A'' (1)
DNA/RNA helicase, ATP-dependent, DEAH-box type, conserved site (1)
DNA/RNA helicase, C-terminal (10)
DNA/RNA helicase, DEAD/DEAH box type, N-terminal (9)
DNA/pantothenate metabolism flavoprotein, C-terminal (1)
DRTGG (2)
Daunorubicin resistance ABC transporter ATP-binding subunit (3)
Daunorubicin resistance ABC transporter membrane protein (1)
DegT/DnrJ/EryC1/StrS aminotransferase (4)
Dehydrogenase, E1 component (1)
Dehydrogenase, multihelical (3)
Dehydroquinase class I (1)
DeoxyUTP pyrophosphatase (1)
Deoxyhypusine synthase (2)
Deoxyribonuclease, TatD (1)
Deoxyribonuclease, TatD Mg-dependent-related (1)
Deoxyribonuclease, TatD, archaea (1)
Deoxyribonuclease, TatD-related (2)
Deoxyribonuclease/rho motif-related TRAM (4)
Deoxyribose-phosphate aldolase (1)
Deoxyribose-phosphate aldolase/phospho-2-dehydro-3-deoxyheptonate aldolase (5)
Dephospho-CoA kinase (1)
Desulfoferrodoxin, ferrous iron-binding region (1)
Di-haem cytochrome, transmembrane (1)
Di-trans-poly-cis-decaprenylcistransferase (2)
Diaminopimelate decarboxylase (1)
Diaminopimelate epimerase (1)
Dihydrodipicolinate reductase (1)
Dihydrodipicolinate reductase, bacterial and plant (1)
Dihydrodipicolinate synthase subfamily (1)
Dihydrodipicolinate synthetase (2)
Dihydrolipoamide dehydrogenase (1)
Dihydroorotase multifunctional complex type (1)
Dihydroorotase, conserved site (1)
Dihydroorotate dehydrogenase, class 1, core (1)
Dihydroorotate dehydrogenase, classes 1 and 2 (1)
Dihydroorotate dehydrogenase, core (2)
Dihydropteroate synthase, DHPS (1)
Dihydropteroate synthase-like (2)
Dihydropteroate synthase-related protein synthase-related protein (1)
Dihydrouridine synthase, DuS (1)
Dihydroxy-acid and 6-phosphogluconate dehydratase (2)
Dihydroxy-acid dehydratase (1)
Dimeric alpha-beta barrel (9)
Dinitrogenase iron-molybdenum cofactor biosynthesis (8)
Diphthamide synthesis, DHP1 (1)
Diphthamide synthesis, DPH1/DHP2 (1)
Diphthine synthase (1)
Divalent ion tolerance protein, CutA1 (1)
Double-stranded RNA-binding-like (1)
Drug resistance transporter Bcr/CflA subfamily (1)
Drug resistance transporter EmrB/QacA subfamily (3)
Duplicated hybrid motif (1)
Dynamin, GTPase region (1)
Dynein light chain-related (5)

E
E1-E2 ATPase-associated region (13)
E3 binding (1)
EGF-like region, conserved site (2)
Elongation factor G, III and V (2)
Elongator protein 3/MiaB/NifB (21)
Endonuclease TnsA, N-terminal/resolvase Hjc/tRNA endonuclease, C-terminal (1)
Endonuclease V (1)
Endonuclease/exonuclease/phosphatase (2)
EngC GTPase (1)
Enolase (2)
Eukaryotic initiation factor 1A (eIF-1A) (4)
Eukaryotic initiation factor 5A hypusine (eIF-5A) (1)
Eukaryotic translation initiation factor 2, alpha subunit (1)
Exodeoxyribonuclease III xth (1)
Exoenzyme S synthesis protein B/queuosine synthesis (2)
Exonuclease (1)
Exonuclease, RNase T and DNA polymerase III (1)
Exoribonuclease, phosphorolytic domain 1 (2)
Exoribonuclease, phosphorolytic domain 2 (2)
Exoribonuclease, phosphorolytic domain-containing, archaea (1)

F
FAD dependent oxidoreductase (2)
FAD linked oxidase, N-terminal (1)
FAD-binding, type 2 (1)
FAD-binding, type 2, subdomain 1 (1)
FAD-dependent glycerol-3-phosphate dehydrogenase (1)
FAD-dependent pyridine nucleotide-disulphide oxidoreductase (9)
FAD-linked oxidase, C-terminal (1)
FAD-linked oxidase, FAD-binding, subdomain 2 (1)
FAD-linked oxidase-like, C-terminal (1)
FAD/NAD-linked reductase, dimerisation (3)
FMN-binding split barrel (8)
FMN-binding split barrel, related (12)
FMN-dependent dehydrogenase (1)
Fe-S type hydro-lyases tartrate/fumarate alpha region (1)
Fe-S type hydro-lyases tartrate/fumarate beta region (1)
FeS cluster biogenesis (1)
Ferredoxin (1)
Ferredoxin reductase-type FAD-binding domain (3)
Ferredoxin thioredoxin reductase, beta subunit-like (2)
Ferritin and Dps (1)
Ferritin-like (4)
Ferritin-related (7)
Ferritin/ribonucleotide reductase-like (8)
Ferrous iron transport B, C-terminal (1)
Ferrous iron transport protein B (1)
Ferrous iron transport protein B, N-terminal (1)
Ferrous iron transporter, FeoA subunit (1)
Fibrillarin (1)
Fibronectin, type III-like fold (1)
Fibronectin-binding A, N-terminal (1)
Flagellar motor switch protein FliG, alpha-helical (1)
Flavin reductase-like, FMN-binding (2)
Flavodoxin, conserved site (10)
Flavodoxin/nitric oxide synthase (18)
Flavoprotein (4)
Formaldehyde-activating enzyme (1)
Formate C-acetyltransferase glycine radical (1)
Formate dehydrogenase, alpha subunit (2)
Formate dehydrogenase, subunit FdhD (1)
Formate/nitrite transporter (1)
Formyl transferase, C-terminal-like (1)
Formylmethanofuran dehydrogenase subunit C (2)
Formylmethanofuran dehydrogenase, subunit A (2)
Formylmethanofuran dehydrogenase, subunit B (2)
Formylmethanofuran dehydrogenase, subunit D (2)
Formylmethanofuran dehydrogenase, subunit E region (1)
Formylmethanofuran dehydrogenase, subunit F (2)
Formylmethanofuran: tetrahydromethanopterin formyltransferase (Ftr) (1)
Formylmethanofuran: tetrahydromethanopterin formyltransferase (Ftr), subgroup (1)
Fructose-1,6-bisphosphate aldolase, class II (1)
Fumarate lyase (2)
Fumarate reductase, C-terminal (7)
Fumarate reductase/succinate dehydrogenase flavoprotein, N-terminal (3)
Fumarylacetoacetase, C-terminal-like (1)
Fumarylacetoacetase, C-terminal-related (1)

G
GAD (1)
GAF (8)
GCN5-related N-acetyltransferase (14)
GDP-mannose 4,6-dehydratase (1)
GHMP kinase (6)
GHMP kinase group 1 (2)
GHMP kinase, ATP-binding, conserved site (1)
GHMP kinase, C-terminal (5)
GHMP kinase-like, archaeal (1)
GMP synthase, C-terminal (1)
GMP synthase, N-terminal (1)
GPCR, rhodopsin-like (1)
GPR1/FUN34/yaaH (1)
GPW/gp25 (1)
GTP-binding (1)
GTP-binding protein, HSR1-related (6)
GTP-binding protein, HflX (1)
GTP1/OBG, conserved site (1)
GTPase EngC (1)
GTPase of unknown function C-terminal (1)
Galactose-1-phosphate uridyl transferase, class I (1)
Galactose-binding like (4)
GatB N-terminal region (2)
GatB, central region (2)
GatB/Yqey (2)
Geranylgeranyl reductase, plantal and prokaryotic (3)
Glu-tRNAGln amidotransferase, C subunit (1)
Glucosamine-fructose-6-phosphate aminotransferase, isomerising (2)
Glucose-1-phosphate thymidylyltransferase, short form (1)
Glucose-6-phosphate isomerase, prokarya (1)
Glutamate dehydrogenase (1)
Glutamate receptor-related (1)
Glutamate synthase (NADPH), homotetrameric (1)
Glutamate synthase, alpha subunit, C-terminal (3)
Glutamate synthase, central-C (1)
Glutamate synthase, large subunit region 1 amidotransferase, putative (1)
Glutamate synthase, large subunit region 3, putative (1)
Glutamate/phenylalanine/leucine/valine dehydrogenase (1)
Glutamate/phenylalanine/leucine/valine dehydrogenase, C-terminal (1)
Glutamate/phenylalanine/leucine/valine dehydrogenase, dimerisation region (1)
Glutamine amidotransferase class-I, C-terminal (5)
Glutamine amidotransferase of anthranilate synthase (1)
Glutamine amidotransferase type 1 (6)
Glutamine amidotransferase, class-II (5)
Glutamine amidotransferase, type II (6)
Glutamine synthetase type I (3)
Glutamine synthetase, beta-Grasp (3)
Glutamine synthetase, catalytic region (3)
Glutamine synthetase/guanido kinase, catalytic region (3)
Glutamyl-tRNA synthetase, class Ic, archaeal/eukaryotic cytosolic (1)
Glutamyl-tRNA(Gln) amidotransferase A subunit (1)
Glutamyl-tRNA(Gln) amidotransferase B subunit (2)
Glutamyl-tRNA(Gln) amidotransferase, subunit E (1)
Glutamyl/glutaminyl-tRNA synthetase, class Ic (1)
Glutaredoxin (5)
Glutaredoxin active site (3)
Glutaredoxin-like protein, YruB (1)
Glyceraldehyde 3-phosphate dehydrogenase (2)
Glyceraldehyde-3-phosphate dehydrogenase, type II (2)
Glycerol dehydrogenase (1)
Glycerophosphoryl diester phosphodiesterase (1)
Glycine hydroxymethyltransferase (1)
Glycoside hydrolase 15-related (2)
Glycoside hydrolase, catalytic core (3)
Glycoside hydrolase, family 16, active site (1)
Glycoside hydrolase, family 3, C-terminal (1)
Glycoside hydrolase, family 3, N-terminal (1)
Glycoside hydrolase, family 5 (1)
Glycoside hydrolase, family 57, core (1)
Glycoside hydrolase-type carbohydrate-binding (1)
Glycoside hydrolase/deacetylase, beta/alpha-barrel (5)
Glycosyl transferase, family 2 (24)
Glycosyl transferase, family 3 (2)
Glycosyl transferase, family 3, N-terminal (2)
Glycosyl transferase, family 39 (1)
Glycosyl transferase, group 1 (25)
Glycyl-tRNA synthetase, alpha2 dimer (1)
Glyoxalase/bleomycin resistance protein/dioxygenase (2)
GroEL-like chaperone, ATPase (3)
GroES-like (1)
GrpE nucleotide exchange factor (1)
GrpE nucleotide exchange factor, coiled-coil (1)
GrpE nucleotide exchange factor, head (1)
GtrA-like protein (1)

H
HAD superfamily hydrolase-like, type 3 (3)
HAD-superfamily hydrolase, subfamily IA, variant 1 (4)
HAD-superfamily hydrolase, subfamily IA, variant 3 (2)
HAD-superfamily hydrolase, subfamily IB, PSPase-like (1)
HAD-superfamily hydrolase, subfamily IIB (1)
HD-related protein (1)
HDIG (1)
HEAT (1)
HEPN (2)
HI0933-like protein (1)
HNH endonuclease (1)
HNH nuclease (1)
HRDC-like (2)
HRDC-like, subdomain 1 (1)
HSP20-like chaperone (2)
HSP40/DnaJ peptide-binding (1)
HTH transcriptional regulator, MJ1545, predicted (1)
Haemerythrin/HHE cation-binding motif (3)
Haloacid dehalogenase-like hydrolase (21)
Ham1-like protein (1)
Heat shock protein 70 (1)
Heat shock protein DnaJ, N-terminal (2)
Heat shock protein DnaJ, cysteine-rich region (3)
Heat shock protein Hsp20 (2)
Heat shock protein Hsp70 (1)
Heavy metal translocating P-type ATPase (4)
Heavy metal transport/detoxification protein (4)
Heavy metal-(Cd/Co/Hg/Pb/Zn)-translocating P-type ATPase (2)
Helicase and RNase D C-terminal, HRDC (1)
Helicase, ATP-dependent, c2 type (1)
Helicase, superfamily 1 and 2, ATP-binding (10)
Helicase, superfamily 1 and 2, ATP-binding, DinG/Rad3-type (1)
Helicase, superfamily 1, UvrD-related (1)
Helicase, superfamily 3, DNA virus (1)
Helicase-like, DEXD box c2 type (1)
Helix-hairpin-helix DNA-binding, class 1 (3)
Helix-hairpin-helix motif (5)
Helix-hairpin-helix motif, class 2 (1)
Helix-turn-helix Mga, DNA-binding trans-acting positive regulator (1)
Helix-turn-helix type 3 (10)
Helix-turn-helix, AraC type (1)
Helix-turn-helix, HxlR type (3)
Helix-turn-helix, type 11 (2)
Hemopexin (2)
HhH-GPD domain (4)
Histidine acid phosphatase (1)
Histidine biosynthesis (3)
Histidine biosynthesis HisG, C-terminal (1)
Histidine biosynthesis HisG: ATP phosphoribosyltransferase (1)
Histidine biosynthesis, HisF (1)
Histidine triad (HIT) protein (1)
Histidine triad motif (1)
Histidine triad-like motif (2)
Histidinol dehydrogenase (1)
Histidinol dehydrogenase, prokaryotic (1)
Histidinol-phosphate aminotransferase (1)
Histidyl-tRNA synthetase (1)
Histidyl-tRNA synthetase, class IIa (1)
Histidyl-tRNA synthetase, class IIa, subgroup (1)
Histone acetyltransferase ELP3 (1)
Histone deacetylase superfamily (1)
Histone-fold (2)
Homeobox protein, antennapedia type (1)
Homeodomain-like (13)
Homeodomain-related (10)
Homoaconitase/3-isopropylmalate dehydratase, large subunit, prokaryotic (3)
Homoaconitase/3-isopropylmalate dehydratase, large subunit, subgroup (3)
Homoaconitase/3-isopropylmalate dehydratase, small/large subunit (3)
Homoserine dehydrogenase, catalytic (1)
Homoserine kinase (1)
Homoserine kinase, putative (1)
Hybrid cluster protein (1)
Hydantoinase/oxoprolinase (1)
Hydrogenase accessory protein HypB (1)
Hydrogenase expression/formation protein (HUPF/HYPC) (1)
Hydrogenase expression/formation protein HypE (1)
Hydrogenase expression/synthesis, HypA (1)
Hydrogenase formation HypD protein (1)
Hydrogenase maturation factor, HypF-type (1)
Hydrophobe/amphiphile efflux-3 HAE3 (1)
Hydroxyethylthiazole kinase (1)
Hydroxyethylthiazole kinase, monofunctional (1)
Hydroxymethylglutaryl-CoA reductase, class I, catalytic (1)
Hydroxymethylglutaryl-CoA reductase, class I/II, NAD/NADP-binding (2)
Hydroxymethylglutaryl-CoA reductase, class I/II, catalytic (2)
Hydroxymethylglutaryl-CoA reductase, class I/II, substrate-binding (2)
Hydroxymethylglutaryl-CoA reductase, class II and archaeal class I (1)

I
IMP biosynthesis enzyme PurP, C-terminal (3)
IMP biosynthesis enzyme PurP, N-terminal (3)
IMP cyclohydrolase (1)
IMP dehydrogenase (1)
IMP dehydrogenase / GMP reductase, conserved site (1)
IMP dehydrogenase/GMP reductase (1)
Imidazole glycerol phosphate synthase, glutamine amidotransferase subunit H (1)
Imidazole glycerol phosphate synthase, subunit H (1)
Imidazole glycerol-phosphate dehydratase (1)
Immunoglobulin E-set (2)
Immunoglobulin/major histocompatibility complex, conserved site (2)
Indole-3-glycerol phosphate synthase (1)
Indole-3-glycerol phosphate synthase, central region (1)
Indolepyruvate ferredoxin oxidoreductase, alpha subunit (1)
Indolepyruvate ferredoxin oxidoreductase, beta subunit (1)
Initiation factor 2B alpha/beta/delta (2)
Initiation factor 2B related (2)
Initiation factor eIF2 gamma, C terminal (1)
Inorganic H+ pyrophosphatase (1)
Inositol monophosphatase (1)
Integrase, Lambda-type, N-terminal (1)
Integrase, catalytic core (3)
Integrase, catalytic core, phage (4)
Integrase-like, catalytic core, phage (4)
Intradiol ring-cleavage dioxygenase, C-terminal (3)
Invasin/intimin cell-adhesion (10)
Ion transport (1)
Ion transport 2 (1)
Ionotropic glutamate receptor (1)
Iron dependent repressor (2)
Iron sulphur domain-containing, CDGSH-type (1)
Iron-sulphur cluster loop (2)
Isochorismatase hydrolase (1)
Isocitrate/isopropylmalate dehydrogenase (3)
Isoleucyl-tRNA synthetase, class Ia (1)
Isopentenyl-diphosphate delta-isomerase, FMN-dependent (2)
Isoprenylcysteine carboxyl methyltransferase (1)
Isopropylmalate/citramalate/homocitrate synthase (1)

K

L
L-Aspartase-like (2)
L-asparaginase, type I (1)
LOR/SDH bifunctional enzyme conserved region (1)
LPPG:Fo 2-phospho-L-lactate transferase (1)
LamG-like jellyroll fold (3)
Lambda repressor-like, DNA-binding (10)
Large-conductance mechanosensitive channel (1)
Legume lectin, beta domain (3)
Leucyl-tRNA synthetase, class Ia, archaeal/eukaryotic cytosolic (1)
Lhr-like ATP-dependent RNA helicase, predicted (2)
Like-Sm ribonucleoprotein, core (2)
Like-Sm ribonucleoprotein, eukaryotic and archaea-type, core (2)
Like-Sm ribonucleoprotein-related, core (8)
Lipoate synthase (1)
Lipocalin (2)
Low-density lipoprotein receptor, YWTD repeat (1)
Luciferase-like monooxygenase (2)
Lysine exporter protein (LYSE/YGGA) (2)
Lysyl-tRNA synthetase, class Ic, archaeal-type (1)

M
MCP methyltransferase, CheR-type (1)
MFS general substrate transporter (28)
MGS-like (1)
MMPL (1)
MOFRL (1)
Magnesium and cobalt transport protein CorA (1)
Magnesium chelatase, ChlI subunit (1)
Magnesium-translocating P-type ATPase (1)
Major facilitator superfamily (22)
Major facilitator superfamily MFS-1 (22)
Major intrinsic protein (1)
Mechanosensitive ion channel MscS (6)
Mechanosensitive ion channel MscS, C-terminal (3)
Mechanosensitive ion channel MscS, transmembrane-2 (3)
Metal-dependent hydrolase, composite (5)
Metal-dependent phosphohydrolase, HD region (6)
Metal-dependent phosphohydrolase, HD region, subdomain (5)
Metalloenzyme (3)
Metallophosphoesterase (13)
Methenyltetrahydromethanopterin cyclohydrolase (2)
Methicillin resistance protein (1)
Methionine sulphoxide reductase A (1)
Methionine sulphoxide reductase B (1)
Methionine synthase, vitamin-B12 independent (1)
Methionyl-tRNA synthetase, class Ia (1)
Methionyl-tRNA synthetase, class Ia, beta subunit, C-terminal (1)
Methyl coenzyme M reductase system, component A2 (2)
Methyl coenzyme M reductase, subunit alpha (1)
Methyl-coenzyme M reductase, alpha subunit, C-terminal (1)
Methyl-coenzyme M reductase, alpha subunit, N-terminal (1)
Methyl-coenzyme M reductase, alpha subunit, N-terminal subdomain 1 (1)
Methyl-coenzyme M reductase, alpha subunit, N-terminal subdomain 2 (1)
Methyl-coenzyme M reductase, alpha/beta subunit, C-terminal (2)
Methyl-coenzyme M reductase, beta subunit (1)
Methyl-coenzyme M reductase, ferredoxin-like fold (3)
Methyl-coenzyme M reductase, gamma subunit (1)
Methyl-coenzyme M reductase, protein C (1)
Methyl-coenzyme M reductase, protein D (2)
Methyl-viologen-reducing hydrogenase, delta subunit (3)
Methylated-DNA-[protein]-cysteine S-methyltransferase, DNA binding (1)
Methylated-DNA-[protein]-cysteine S-methyltransferase, active site (1)
Methylene-5,6,7,8-tetrahydromethanopterin dehydrogenase (1)
Methylpurine-DNA glycosylase (MPG) (1)
Methylthioadenosine phosphorylase (2)
Methyltransferase Mtx, subunit X (1)
Methyltransferase type 11 (24)
Methyltransferase type 12 (2)
Mevalonate kinase (1)
Mg2+ transporter protein, CorA-like (2)
MgtC/SapB transporter (1)
MgtE intracellular region (1)
MiaB-like tRNA modifying enzyme, archaeal-type (1)
Miro-like (2)
MoaA/nifB/pqqE, iron-sulphur binding, conserved site (4)
MoaD, archaeal (1)
MoeA, C-terminal, domain IV (2)
MoeA, N-terminal, domain I and II (2)
MoeZ/MoeB (1)
Molecular chaperone, heat shock protein, Hsp40, DnaJ (2)
Molybdenum ABC transporter, periplasmic binding protein (1)
Molybdenum cofactor biosynthesis protein A, archaea (1)
Molybdenum cofactor biosynthesis protein MoaB (1)
Molybdenum cofactor biosynthesis, MoeB (2)
Molybdenum cofactor biosynthesis, conserved site (2)
Molybdenum cofactor synthesis C-terminal (1)
Molybdopterin binding (4)
Molybdopterin biosynthesis MoaE (1)
Molybdopterin cofactor biosynthesis MoaC region (1)
Molybdopterin oxidoreductase (2)
Molybdopterin oxidoreductase Fe4S4 region (2)
Molybdopterin oxidoreductase, prokaryotic, conserved site (2)
Molybdopterin synthase/thiamin biosynthesis sulphur carrier, beta-grasp (3)
Molybdopterin-guanine dinucleotide biosynthesis MobB region (1)
Molydopterin dinucleotide-binding region (4)
Monooxygenase, FAD-binding (2)
Mrp, conserved site (2)
Mss4-like (1)
MtN3 and saliva related transmembrane protein (1)
Multiple antibiotic resistance (MarC)-related (2)
Mur ligase, central (1)

N
N-(5'phosphoribosyl)anthranilate isomerase (PRAI) (1)
N-6 adenine-specific DNA methylase, conserved site (9)
N-acetyl-gamma-glutamyl-phosphate reductase (1)
N-acetylglucosaminyl phosphatidylinositol deacetylase (2)
N-acetylglutamate kinase (1)
N2,N2-dimethylguanosine tRNA methyltransferase (1)
NAD(P)-binding (58)
NAD+ synthase (2)
NAD-dependent epimerase/dehydratase (7)
NADH dehydrogenase (ubiquinone), 30 kDa subunit (1)
NADH ubiquinone oxidoreductase, 20 kDa subunit (7)
NADH-Ubiquinone oxidoreductase (complex I), chain 5/L, N-terminal (1)
NADH-ubiquinone oxidoreductase, chain 49kDa (3)
NADH/Ubiquinone/plastoquinone (complex I) (2)
NADP oxidoreductase, coenzyme F420-dependent (1)
NADPH-dependent F420 reductase (1)
NADPH-dependent FMN reductase (8)
NERD (1)
NGG1p interacting factor 3, NIF3 (1)
NHL repeat (3)
NHL repeat, subgroup (1)
NIF system FeS cluster assembly, NifU, N-terminal (1)
NIF system FeS cluster assembly, NifU-like (1)
NMD3 (1)
NMT1/THI5 like (3)
NOSIC (1)
NTP Pyrophosphohydrolase MazG-related, RS21-C6 (1)
NTP pyrophosphohydrolase MazG, putative catalytic core (1)
NUDIX (8)
NUDIX hydrolase, core (5)
Na+/solute symporter (2)
Na-Ca exchanger/integrin-beta4 (5)
Nascent polypeptide-associated complex (NAC), archaeal (1)
Nascent polypeptide-associated complex NAC (1)
Natural resistance-associated macrophage protein (1)
NiFe dehydrogenase small subunit, N-terminal (1)
Nickel insertion ATPase/GTPase (CO dehydrogenase maturation factor), CooC type (1)
Nickel-dependent hydrogenase, large subunit (6)
Nicotinamide-nucleotide adenylyltransferase, archaeal type (1)
Nicotinate-nucleotide pyrophosphorylase (1)
Nicotinate-nucleotide-dimethylbenzimidazole phosphoribosyltransferase, putative (1)
Nicotinate-nucleotide-dimethylbenzimidazole phosphoribosyltransferase-like, core (1)
NifH/frxC (2)
NikR C terminal nickel binding (2)
Nitrilase/cyanide hydratase and apolipoprotein N-acyltransferase (1)
Nitrite and sulphite reductase 4Fe-4S region (1)
Nitrite and sulphite reductase iron-sulphur/siroheme-binding site (1)
Nitrite/sulphite reductase, hemoprotein beta-component, ferrodoxin-like (1)
Nitrogen regulatory PII-like, alpha/beta (5)
Nitrogen regulatory protein PII (3)
Nitrogen regulatory protein PII, conserved site (3)
Nitrogen regulatory protein PII/ATP phosphoribosyltransferase, C-terminal (4)
Nitrogenase iron protein (2)
Nitrogenase/oxidoreductase, component 1 (3)
Nitroreductase (8)
Nodulation efficiency, NfeD (1)
Non-histone chromosomal MC1 (3)
Nop2p (1)
Nucleic acid binding, OB-fold, tRNA/helicase-type (11)
Nucleic acid-binding, OB-fold (23)
Nucleic acid-binding, OB-fold-like (34)
Nucleolar GTP-binding 1 (1)
Nucleolar RNA-binding protein Nop10p (1)
Nucleoside 2-deoxyribosyltransferase (1)
Nucleoside diphosphate kinase, core (1)
Nucleoside recognition (1)
Nucleotide binding protein, PINc (3)
Nucleotide sugar dehydrogenase (6)
Nucleotide-binding, alpha-beta plait (2)
Nucleotidyl transferase (7)
Nucleotidyltransferase (7)
Nucleotidyltransferase, class I, C-terminal-like (1)
NusA protein with KH region, archaeal (1)

O
O-methyltransferase, N-terminal (1)
Oligopeptide transporter OPT superfamily (1)
Oligopeptide/dipeptide ABC transporter, ATP-binding protein, C-terminal (2)
Oligopeptide/dipeptide ABC transporter, C-terminal (2)
Oligosaccharyl transferase, STT3 subunit (2)
Orn/DAP/Arg decarboxylase 2 (1)
Ornithine carbamoyltransferase (1)
Ornithine cyclodeaminase/mu-crystallin (1)
Orotate phosphoribosyl transferase (1)
Orotidine 5'-phosphate decarboxylase, core (3)
Orotidine 5'-phosphate decarboxylase, subfamily 1, core (1)
Oxaloacetate decarboxylase, alpha subunit (1)
Oxidoreductase FAD-binding region (3)
Oxidoreductase FAD/NAD(P)-binding (3)
Oxidoreductase, C-terminal (3)
Oxidoreductase, N-terminal (3)
Oxidoreductase, molybdopterin binding (2)

P
PA14 (1)
PAAR (1)
PAC motif (40)
PAS (51)
PAS fold (27)
PAS fold-3 (38)
PAS fold-4 (21)
PAS-associated, C-terminal (50)
PBS lyase HEAT-like repeat (11)
PDZ/DHR/GLGF (4)
PEGA (3)
PEP-utilising enzyme, mobile region (6)
PEP-utilizing enzyme (2)
PHP, C-terminal (6)
PKD (2)
PLC-like phosphodiesterase, TIM beta/alpha-barrel domain (1)
PP-loop (1)
PP-loop ATPase, YdaO-related (1)
PRC-barrel (2)
PRC-barrel-like (3)
PT repeat (1)
PUA (6)
PUA-like (9)
Pancreatic ribonuclease (1)
ParB-like nuclease (3)
ParB-like partition protein (1)
Parallel beta-helix repeat (2)
PcrB-like protein (2)
Pectin lyase fold/virulence factor (2)
Pentapeptide repeat (1)
Peptidase A22, presenilin signal peptide (1)
Peptidase A24A, prepilin type IV (2)
Peptidase A24B, preflagellin, C-terminal (1)
Peptidase A31, coenzyme F420-reducing hydrogenase delta subunit (2)
Peptidase A31, hydrogen uptake protein (3)
Peptidase C1A, papain (1)
Peptidase C1A, papain C-terminal (1)
Peptidase C56, PfpI (1)
Peptidase M10A and M12B, matrixin and adamalysin (1)
Peptidase M20 (2)
Peptidase M20, dimerisation (2)
Peptidase M22, O-sialoglycoprotein endopeptidase (1)
Peptidase M22, glycoprotease (1)
Peptidase M22, glycoprotease, conserved site (1)
Peptidase M22, glycoprotease, subgroup (1)
Peptidase M24, catalytic core (3)
Peptidase M24A, methionine aminopeptidase, subfamily 1 (1)
Peptidase M24A, methionine aminopeptidase, subfamily 2 (2)
Peptidase M24B, X-Pro dipeptidase/aminopeptidase P, conserved site (1)
Peptidase M32, carboxypeptidase Taq metallopeptidase (1)
Peptidase M48, Ste24p (3)
Peptidase M50 (5)
Peptidase M54, archaemetzincin (1)
Peptidase M54, archaemetzincin, archaeal/bacterial (1)
Peptidase S1 and S6, chymotrypsin/Hap (3)
Peptidase S10, serine carboxypeptidase (2)
Peptidase S16, archaeal lon homologs (1)
Peptidase S16, lon C-terminal (1)
Peptidase S24, S26A and S26B, C-terminal (1)
Peptidase S24, S26A, S26B and S26C (4)
Peptidase S26B, eukaryotic signal peptidase (2)
Peptidase S49 (1)
Peptidase S49, SppA (1)
Peptidase S54, rhomboid (1)
Peptidase S58 DmpA/arginine biosynthesis protein ArgJ (1)
Peptidase S8 and S53, subtilisin, kexin, sedolisin (9)
Peptidase S8, subtilisin-related (5)
Peptidase U62, modulator of DNA gyrase (4)
Peptidase aspartic, active site (1)
Peptidase, cysteine peptidase active site (1)
Peptidase, trypsin-like serine and cysteine (3)
Peptide chain release factor eRF/aRF subunit 1 (1)
Peptidyl-prolyl cis-trans isomerase, FKBP-type (4)
Peptidyl-prolyl cis-trans isomerase, cyclophilin-type (1)
Peptidyl-tRNA hydrolase, PTH2 (1)
Periplasmic binding protein (3)
Periplasmic copper-binding (1)
Periplasmic solute binding protein (1)
Phage SPO1 DNA polymerase-related protein (1)
Phage/plasmid primase, P4, C-terminal (1)
Phenazine biosynthesis PhzC/PhzF protein (1)
Phenylacetic acid degradation-related protein (1)
Phenylacrylic acid decarboxylase (1)
Phenylalanyl-tRNA synthetase, class IIc (2)
Phenylalanyl-tRNA synthetase, class IIc, alpha subunit (1)
Phenylalanyl-tRNA synthetase, class IIc, beta subunit, archae/euk cytosolic (1)
Phenylalanyl-tRNA synthetase-related protein (1)
Pheromone shutdown, TraB (1)
Pheromone shutdown-related, TraB (1)
PhoU (3)
Phosphate ABC transporter, permease protein PstC (1)
Phosphate acetyl/butaryl transferase (1)
Phosphate binding protein (1)
Phosphate transport system permease protein 1 (1)
Phosphate transport system permease protein 2 (1)
Phosphate transporter (1)
Phosphatidate cytidylyltransferase (2)
Phosphatidic acid phosphatase type 2/haloperoxidase (1)
Phosphatidic acid phosphatase/chloroperoxidase, N-terminal (1)
Phosphatidylethanolamine-binding protein PEBP (2)
Phosphoadenosine phosphosulphate reductase (2)
Phosphoenolpyruvate synthase (2)
Phosphoesterase MJ0912 (2)
Phosphoesterase, DHHA1 (6)
Phosphoesterase, HXTX (1)
Phosphoesterase, RecJ-like (7)
Phosphofructokinase (3)
Phosphofructokinase, conserved site (1)
Phosphoglycerate kinase (2)
Phosphoglycerate kinase, C-terminal (2)
Phosphoglycerate kinase, N-terminal (2)
Phosphoglycerate kinase, conserved site (1)
Phosphoglycerate mutase (1)
Phosphomethylpyrimidine kinase type-1 (1)
Phosphomethylpyrimidine kinase type-2 (1)
Phosphopantetheine attachment site (3)
Phosphopantetheine-binding (2)
Phosphoribosyl pyrophosphokinase (2)
Phosphoribosyl-AMP cyclohydrolase (1)
Phosphoribosyl-ATP pyrophosphohydrolase (1)
Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase (1)
Phosphoribosylformylglycinamidine cyclo-ligase (1)
Phosphoribosylformylglycinamidine synthase I (1)
Phosphoribosylformylglycinamidine synthase II (1)
Phosphoribosylglycinamide formyltransferase 2 (2)
Phosphoribosylglycinamide synthetase (1)
Phosphoribosyltransferase (9)
Phosphoserine phosphatase