K13988  NUDT9; ADP-ribose diphosphatase [EC:3.6.1.13]
       K01517  ADPRM; manganese-dependent ADP-ribose/CDP-alcohol diphosphatase [EC:3.6.1.13 3.6.1.16 3.6.1.53]
       K13987  NUDT5; ADP-ribose diphosphatase / 8-oxo-dGDP phosphatase / ADP-D-ribose pyrophosphorylase [EC:3.6.1.13 3.6.1.58 2.7.7.96]
       K26956  NUDT2_6_7_10; ADP-ribose/NAD+ diphosphatase [EC:3.6.1.13 3.6.1.22]
       K18453  NUDT23; ADP-ribose/FAD diphosphatase [EC:3.6.1.13 3.6.1.18]
       K01515  nudF; ADP-ribose diphosphatase [EC:3.6.1.13 3.6.1.-]
       K08312  nudE; ADP compounds hydrolase [EC:3.6.1.-]
       K18447  NUDX14; ADP-sugar diphosphatase [EC:3.6.1.21]
       K01839  deoB; phosphopentomutase [EC:5.4.2.7]
       K22199  ppm; phosphopentomutase [EC:5.4.2.7]
       K01835  pgm; phosphoglucomutase [EC:5.4.2.2]
       K15778  pmm-pgm; phosphomannomutase / phosphoglucomutase [EC:5.4.2.8 5.4.2.2]
       K15779  PGM2; phosphoglucomutase / phosphopentomutase [EC:5.4.2.2 5.4.2.7]
       K00948  PRPS, prsA; ribose-phosphate pyrophosphokinase [EC:2.7.6.1]
       K00764  purF, PPAT; amidophosphoribosyltransferase [EC:2.4.2.14]
       K11787  GART; phosphoribosylamine--glycine ligase / phosphoribosylglycinamide formyltransferase / phosphoribosylformylglycinamidine cyclo-ligase [EC:6.3.4.13 2.1.2.2 6.3.3.1]
       K11788  ADE5; phosphoribosylamine--glycine ligase / phosphoribosylformylglycinamidine cyclo-ligase [EC:6.3.4.13 6.3.3.1]
       K01945  purD; phosphoribosylamine---glycine ligase [EC:6.3.4.13]
       K13713  purCD; fusion protein PurCD [EC:6.3.2.6 6.3.4.13]
       K00601  E2.1.2.2; phosphoribosylglycinamide formyltransferase [EC:2.1.2.2]
       K11175  purN; phosphoribosylglycinamide formyltransferase 1 [EC:2.1.2.2]
       K01492  purNH; phosphoribosylglycinamide/phosphoribosylaminoimidazolecarboxamide formyltransferase [EC:2.1.2.2 2.1.2.3]
       K08289  purT; phosphoribosylglycinamide formyltransferase 2 [EC:6.3.1.21]
       K01952  PFAS, purL; phosphoribosylformylglycinamidine synthase [EC:6.3.5.3]
       K23269  purL; phosphoribosylformylglycinamidine synthase subunit PurL [EC:6.3.5.3]
       K23264  purS; phosphoribosylformylglycinamidine synthase subunit PurS [EC:6.3.5.3]
       K23265  purQ; phosphoribosylformylglycinamidine synthase subunit PurQ / glutaminase [EC:6.3.5.3 3.5.1.2]
       K23270  purSL; phosphoribosylformylglycinamidine synthase subunit PurSL [EC:6.3.5.3]
       K01933  purM; phosphoribosylformylglycinamidine cyclo-ligase [EC:6.3.3.1]
       K01587  PAICS; phosphoribosylaminoimidazole carboxylase / phosphoribosylaminoimidazole-succinocarboxamide synthase [EC:4.1.1.21 6.3.2.6]
       K11808  ADE2; phosphoribosylaminoimidazole carboxylase [EC:4.1.1.21]
       K01589  purK; 5-(carboxyamino)imidazole ribonucleotide synthase [EC:6.3.4.18]
       K01588  purE; 5-(carboxyamino)imidazole ribonucleotide mutase [EC:5.4.99.18]
       K01923  purC; phosphoribosylaminoimidazole-succinocarboxamide synthase [EC:6.3.2.6]
       K01756  purB, ADSL; adenylosuccinate lyase [EC:4.3.2.2]
       K00602  purH; phosphoribosylaminoimidazolecarboxamide formyltransferase / IMP cyclohydrolase [EC:2.1.2.3 3.5.4.10]
       K06863  purP; 5-formaminoimidazole-4-carboxamide-1-(beta)-D-ribofuranosyl 5'-monophosphate synthetase [EC:6.3.4.23]
       K11176  purO; IMP cyclohydrolase [EC:3.5.4.10]
       K00759  APRT, apt; adenine phosphoribosyltransferase [EC:2.4.2.7]
       K01081  E3.1.3.5; 5'-nucleotidase [EC:3.1.3.5]
       K19970  NT5E, CD73; 5'-nucleotidase [EC:3.1.3.5]
       K11751  ushA; 5'-nucleotidase / UDP-sugar diphosphatase [EC:3.1.3.5 3.6.1.45]
       K03787  surE; 5'/3'-nucleotidase [EC:3.1.3.5 3.1.3.6]
       K02566  nagD; 5'-nucleotidase [EC:3.1.3.5]
       K18550  ISN1; IMP and pyridine-specific 5'-nucleotidase [EC:3.1.3.99 3.1.3.-]
       K20881  yrfG; GMP/IMP 5'-nucleotidase [EC:3.1.3.-]
       K00892  gsk; inosine kinase [EC:2.7.1.73]
       K22026  K22026; nucleoside kinase [EC:2.7.1.73 2.7.1.213 2.7.1.-]
       K03783  punA, PNP; purine-nucleoside phosphorylase [EC:2.4.2.1]
       K03784  deoD; purine-nucleoside phosphorylase [EC:2.4.2.1]
       K09913  ppnP; purine/pyrimidine-nucleoside phosphorylase [EC:2.4.2.1 2.4.2.2]
       K05810  LACC1, yfiH; purine-nucleoside/S-methyl-5'-thioadenosine phosphorylase / adenosine deaminase [EC:2.4.2.1 2.4.2.28 3.5.4.4]
       K01239  E3.2.2.1; purine nucleosidase [EC:3.2.2.1]
       K25589  inuH; inosine/uridine nucleosidase [EC:3.2.2.2 3.2.2.3]
       K00760  hprT, hpt, HPRT1; hypoxanthine phosphoribosyltransferase [EC:2.4.2.8]
       K15780  tilS-hprT; bifunctional protein TilS/HprT [EC:6.3.4.19 2.4.2.8]
       K19836  HPT1; hypoxanthine phosphoribosyltransferase [EC:2.4.2.8]
       K00088  IMPDH, guaB; IMP dehydrogenase [EC:1.1.1.205]
       K00940  ndk, NME; nucleoside-diphosphate kinase [EC:2.7.4.6]
       K18533  AK9; adenylate/nucleoside-diphosphate kinase [EC:2.7.4.3 2.7.4.6]
       K01510  ENTPD1_3_8, CD39; apyrase [EC:3.6.1.5]
       K14641  APY; apyrase [EC:3.6.1.5]
       K14642  YND1; golgi apyrase [EC:3.6.1.5]
       K01529  yjjX; inosine/xanthosine triphosphatase [EC:3.6.1.73]
       K12304  CANT1; soluble calcium-activated nucleotidase 1 [EC:3.6.1.6]
       K12305  ENTPD4, LALP70; ectonucleoside triphosphate diphosphohydrolase 4 [EC:3.6.1.6]
       K01511  ENTPD5_6; ectonucleoside triphosphate diphosphohydrolase 5/6 [EC:3.6.1.6]
       K16855  NUDT16; U8 snoRNA-decapping enzyme [EC:3.6.1.62 3.6.1.64]
       K01519  rdgB, ITPA; XTP/dITP diphosphohydrolase [EC:3.6.1.66]
       K00769  gpt; xanthine phosphoribosyltransferase [EC:2.4.2.22]
       K03816  xpt; xanthine phosphoribosyltransferase [EC:2.4.2.22]
       K00106  XDH; xanthine dehydrogenase/oxidase [EC:1.17.1.4 1.17.3.2]
       K00087  ygeS, xdhA; xanthine dehydrogenase molybdenum-binding subunit [EC:1.17.1.4]
       K13479  ygeT, xdhB; xanthine dehydrogenase FAD-binding subunit [EC:1.17.1.4]
       K13480  ygeU, xdhC; xanthine dehydrogenase iron-sulfur-binding subunit
       K13481  xdhA; xanthine dehydrogenase small subunit [EC:1.17.1.4]
       K13482  xdhB; xanthine dehydrogenase large subunit [EC:1.17.1.4]
       K11177  yagR; xanthine dehydrogenase YagR molybdenum-binding subunit [EC:1.17.1.4]
       K11178  yagS; xanthine dehydrogenase YagS FAD-binding subunit [EC:1.17.1.4]
       K13483  yagT; xanthine dehydrogenase YagT iron-sulfur-binding subunit
       K01518  NUDT2; bis(5'-nucleosidyl)-tetraphosphatase [EC:3.6.1.17]
       K26955  NUDT25, NUDX25; bis(5'-nucleosidyl)-tetraphosphatase [EC:3.6.1.17]
       K01951  guaA, GMPS; GMP synthase (glutamine-hydrolysing) [EC:6.3.5.2]
       K00364  guaC, GMPR; GMP reductase [EC:1.7.1.7]
       K26110  guaB1; GMP reductase [EC:1.7.1.7]
       K26211  K26211; guanosine phosphorylase [EC:2.4.2.15]
       K26212  K26212; guanosine phosphorylase [EC:2.4.2.15]
       K01487  guaD, GDA; guanine deaminase [EC:3.5.4.3]
       K00942  gmk, GUK1; guanylate kinase [EC:2.7.4.8]
       K00525  E1.17.4.1A, nrdA, nrdE; ribonucleoside-diphosphate reductase alpha chain [EC:1.17.4.1]
       K00526  E1.17.4.1B, nrdB, nrdF; ribonucleoside-diphosphate reductase beta chain [EC:1.17.4.1]
       K10807  RRM1; ribonucleoside-diphosphate reductase subunit M1 [EC:1.17.4.1]
       K10808  RRM2; ribonucleoside-diphosphate reductase subunit M2 [EC:1.17.4.1]
       K00527  rtpR; ribonucleoside-triphosphate reductase (thioredoxin) [EC:1.17.4.2]
       K00524  nrdJ; ribonucleotide reductase, class II [EC:1.17.4.2]
       K21636  nrdD; ribonucleoside-triphosphate reductase (formate) [EC:1.1.98.6]
       K01129  dgt; dGTPase [EC:3.1.5.1]
       K07023  YGK1, HDDC2; 5'-deoxynucleotidase [EC:3.1.3.89]
       K08722  yfbR; 5'-deoxynucleotidase [EC:3.1.3.89]
       K06952  yfdR; 5'-nucleotidase [EC:3.1.3.89]
       K00904  DGUOK; deoxyguanosine kinase [EC:2.7.1.113]
       K15518  dgk; deoxyguanosine kinase [EC:2.7.1.113]
       K25641  dgk2; deoxyguanosine kinase [EC:2.7.1.113]
       K00893  DCK; deoxycitidine/deoxyadenosine/deoxyguanosine kinase [EC:2.7.1.74 2.7.1.76 2.7.1.113]
       K05961  dnk; deoxynucleoside kinase [EC:2.7.1.145]
       K21138  HDDC3; guanosine-3',5'-bis(diphosphate) 3'-pyrophosphohydrolase [EC:3.1.7.2]
       K01139  spoT; GTP diphosphokinase / guanosine-3',5'-bis(diphosphate) 3'-diphosphatase [EC:2.7.6.5 3.1.7.2]
       K01514  PRUNE, PPX1; exopolyphosphatase [EC:3.6.1.11]
       K01524  ppx-gppA; exopolyphosphatase / guanosine-5'-triphosphate,3'-diphosphate pyrophosphatase [EC:3.6.1.11 3.6.1.40]
       K00951  relA; GTP pyrophosphokinase [EC:2.7.6.5]
       K07816  E2.7.6.5; GTP pyrophosphokinase [EC:2.7.6.5]
       K01768  E4.6.1.1; adenylate cyclase [EC:4.6.1.1]
       K05851  cyaA; adenylate cyclase, class 1 [EC:4.6.1.1]
       K05873  cyaB; adenylate cyclase, class 2 [EC:4.6.1.1]
       K08041  ADCY1; adenylate cyclase 1 [EC:4.6.1.1]
       K08042  ADCY2; adenylate cyclase 2 [EC:4.6.1.1]
       K08043  ADCY3; adenylate cyclase 3 [EC:4.6.1.1]
       K08044  ADCY4; adenylate cyclase 4 [EC:4.6.1.1]
       K08045  ADCY5; adenylate cyclase 5 [EC:4.6.1.1]
       K08046  ADCY6; adenylate cyclase 6 [EC:4.6.1.1]
       K08047  ADCY7; adenylate cyclase 7 [EC:4.6.1.1]
       K08048  ADCY8; adenylate cyclase 8 [EC:4.6.1.1]
       K08049  ADCY9; adenylate cyclase 9 [EC:4.6.1.1]
       K11265  ADCY10; adenylate cyclase 10 [EC:4.6.1.1]
       K11029  cyaA; anthrax edema toxin adenylate cyclase [EC:4.6.1.1]
       K22944  cyaA; bifunctional hemolysin/adenylate cyclase [EC:4.6.1.1]
       K12318  GUCY1A; guanylate cyclase soluble subunit alpha [EC:4.6.1.2]
       K12319  GUCY1B; guanylate cyclase soluble subunit beta [EC:4.6.1.2]
       K12320  GUCY2C; heat-stable enterotoxin receptor [EC:4.6.1.2]
       K12321  GUCY2D_E; guanylate cyclase 2D/E [EC:4.6.1.2]
       K12322  GUCY2F; guanylate cyclase 2F [EC:4.6.1.2]
       K22600  GUCY2G; guanylate cyclase 2G [EC:4.6.1.2]
       K12323  ANPRA, NPR1; atrial natriuretic peptide receptor A [EC:4.6.1.2]
       K12324  ANPRB, NPR2; atrial natriuretic peptide receptor B [EC:4.6.1.2]
       K01769  E4.6.1.2; guanylate cyclase, other [EC:4.6.1.2]
       K01120  cpdP; 3',5'-cyclic-nucleotide phosphodiesterase [EC:3.1.4.17]
       K13755  PDE1; calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase [EC:3.1.4.17]
       K18283  PDE2A; cGMP-dependent 3',5'-cyclic phosphodiesterase [EC:3.1.4.17]
       K19021  PDE3A; cGMP-inhibited 3',5'-cyclic phosphodiesterase A [EC:3.1.4.17]
       K13296  PDE3B; cGMP-inhibited 3',5'-cyclic phosphodiesterase B [EC:3.1.4.17]
       K13762  PDE5; cGMP-specific 3',5'-cyclic phosphodiesterase [EC:3.1.4.35]
       K08718  PDE6A; rod cGMP-specific 3',5'-cyclic phosphodiesterase subunit alpha [EC:3.1.4.35]
       K13756  PDE6B; rod cGMP-specific 3',5'-cyclic phosphodiesterase subunit beta [EC:3.1.4.35]
       K13757  PDE6C; cone cGMP-specific 3',5'-cyclic phosphodiesterase subunit alpha' [EC:3.1.4.35]
       K13758  PDE6D; retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta
       K13759  PDE6G; retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit gamma
       K13760  PDE6H; retinal cone rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit gamma
       K13763  PDE6N; cGMP-specific 3',5'-cyclic phosphodiesterase, invertebrate [EC:3.1.4.35]
       K13761  PDE9; high affinity cGMP-specific 3',5'-cyclic phosphodiesterase 9 [EC:3.1.4.35]
       K18438  PDE10; cAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10 [EC:3.1.4.17 3.1.4.35]
       K13298  PDE11; dual 3',5'-cyclic-AMP and -GMP phosphodiesterase 11 [EC:3.1.4.17 3.1.4.35]
       K01939  purA, ADSS; adenylosuccinate synthase [EC:6.3.4.4]
       K01490  AMPD; AMP deaminase [EC:3.5.4.6]
       K00856  ADK, adoK; adenosine kinase [EC:2.7.1.20]
       K10353  E2.7.1.76, dak; deoxyadenosine kinase [EC:2.7.1.76]
       K15519  dck; deoxyadenosine/deoxycytidine kinase [EC:2.7.1.76 2.7.1.74]
       K01488  add, ADA; adenosine deaminase [EC:3.5.4.4]
       K19572  CECR1, ADA2; adenosine deaminase CECR1 [EC:3.5.4.4]
       K01241  amn; AMP nucleosidase [EC:3.2.2.4]
       K06966  ppnN; pyrimidine/purine-5'-nucleotide nucleosidase [EC:3.2.2.10 3.2.2.-]
       K18931  deoA; AMP phosphorylase [EC:2.4.2.57]
       K01486  ade; adenine deaminase [EC:3.5.4.2]
       K21053  ade; adenine deaminase [EC:3.5.4.2]
       K01119  cpdB; 2',3'-cyclic-nucleotide 2'-phosphodiesterase / 3'-nucleotidase [EC:3.1.4.16 3.1.3.6]
       K08693  yfkN; 2',3'-cyclic-nucleotide 2'-phosphodiesterase / 3'-nucleotidase / 5'-nucleotidase [EC:3.1.4.16 3.1.3.6 3.1.3.5]
       K09769  ymdB; 2',3'-cyclic-nucleotide 2'-phosphodiesterase [EC:3.1.4.16]
       K24670  K24670; 2',3'-cyclic-nucleotide 2'-phosphodiesterase / phosphoenolpyruvate phosphatase [EC:3.1.4.16 3.1.3.60]
       K00939  adk, AK; adenylate kinase [EC:2.7.4.3]
       K18532  AK6, FAP7; adenylate kinase [EC:2.7.4.3]
       K00944  AK3; nucleoside-triphosphate--adenylate kinase [EC:2.7.4.10]
       K01509  ENTPD2; adenosinetriphosphatase [EC:3.6.1.-]
       K06928  NTPCR; nucleoside-triphosphatase [EC:3.6.1.15]
       K01513  ENPP1_3, CD203; ectonucleotide pyrophosphatase/phosphodiesterase family member 1/3 [EC:3.1.4.1 3.6.1.9]
       K04765  mazG; nucleoside triphosphate diphosphatase [EC:3.6.1.9]
       K13293  PDE4; cAMP-specific phosphodiesterase 4 [EC:3.1.4.53]
       K18436  PDE7; high affinity cAMP-specific 3',5'-cyclic phosphodiesterase 7 [EC:3.1.4.53]
       K18437  PDE8; high affinity cAMP-specific and IBMX-insensitive 3',5'-cyclic phosphodiesterase 8 [EC:3.1.4.53]
       K13294  PDEB2, PDE2B; cAMP-specific phosphodiesterase [EC:3.1.4.53]
       K03651  cpdA; 3',5'-cyclic-AMP phosphodiesterase [EC:3.1.4.53]
       K01522  FHIT; bis(5'-adenosyl)-triphosphatase [EC:3.6.1.29]
       K18424  ENPP4; ectonucleotide pyrophosphatase/phosphodiesterase family member 4 [EC:3.6.1.29]
       K00988  APA1_2; sulfate adenylyltransferase (ADP) / ATP adenylyltransferase [EC:2.7.7.5 2.7.7.53]
       K19710  E2.7.7.53; ATP adenylyltransferase [EC:2.7.7.53]
       K01525  apaH; bis(5'-nucleosyl)-tetraphosphatase (symmetrical) [EC:3.6.1.41]
       K18445  ndx1; diadenosine hexaphosphate hydrolase (ATP-forming) [EC:3.6.1.61]
       K13811  PAPSS; 3'-phosphoadenosine 5'-phosphosulfate synthase [EC:2.7.7.4 2.7.1.25]
       K00955  cysNC; bifunctional enzyme CysN/CysC [EC:2.7.7.4 2.7.1.25]
       K00860  cysC; adenylylsulfate kinase [EC:2.7.1.25]
       K00956  cysN; sulfate adenylyltransferase subunit 1 [EC:2.7.7.4]
       K00957  cysD; sulfate adenylyltransferase subunit 2 [EC:2.7.7.4]
       K00958  sat, met3; sulfate adenylyltransferase [EC:2.7.7.4]
       K00365  uaZ; urate oxidase [EC:1.7.3.3]
       K16838  pucL; urate oxidase / 2-oxo-4-hydroxy-4-carboxy-5-ureidoimidazoline decarboxylase [EC:1.7.3.3 4.1.1.97]
       K16839  hpxO; FAD-dependent urate hydroxylase [EC:1.14.13.113]
       K22879  hpyO; FAD-dependent urate hydroxylase [EC:1.14.13.113]
       K07127  uraH, pucM, hiuH; 5-hydroxyisourate hydrolase [EC:3.5.2.17]
       K13484  TTHL; 5-hydroxyisourate hydrolase / 2-oxo-4-hydroxy-4-carboxy-5-ureidoimidazoline decarboxylase [EC:3.5.2.17 4.1.1.97]
       K19964  HIUH; hydroxyisourate hydrolase [EC:3.5.2.17]
       K13485  PRHOXNB, URAD; 2-oxo-4-hydroxy-4-carboxy-5-ureidoimidazoline decarboxylase [EC:4.1.1.97]
       K16840  hpxQ; 2-oxo-4-hydroxy-4-carboxy-5-ureidoimidazoline decarboxylase [EC:4.1.1.97]
       K16841  hpxA; allantoin racemase [EC:5.1.99.3]
       K01466  allB; allantoinase [EC:3.5.2.5]
       K16842  hpxB; allantoinase [EC:3.5.2.5]
       K01477  alc, ALLC; allantoicase [EC:3.5.3.4]
       K02083  allC; allantoate deiminase [EC:3.5.3.9]
       K24871  E2.1.3.16; ureidoglycine carbamoyltransferase [EC:2.1.3.16]
       K00839  pucG; (S)-ureidoglycine---glyoxylate transaminase [EC:2.6.1.112]
       K14977  ylbA, UGHY; (S)-ureidoglycine aminohydrolase [EC:3.5.3.26]
       K18151  UAH; ureidoglycolate amidohydrolase [EC:3.5.1.116]
       K01483  allA; ureidoglycolate lyase [EC:4.3.2.3]
       K16856  ugl; ureidoglycolate lyase [EC:4.3.2.3]
       K01427  URE; urease [EC:3.5.1.5]
       K01428  ureC; urease subunit alpha [EC:3.5.1.5]
       K01429  ureB; urease subunit beta [EC:3.5.1.5]
       K01430  ureA; urease subunit gamma [EC:3.5.1.5]
       K14048  ureAB; urease subunit gamma/beta [EC:3.5.1.5]
       K00073  allD; ureidoglycolate dehydrogenase (NAD+) [EC:1.1.1.350]
       K22601  hpxY; oxamate carbamoyltransferase [EC:2.1.3.5]
       K22602  hpxW; oxamate amidohydrolase [EC:3.5.1.126]
       K00926  arcC; carbamate kinase [EC:2.7.2.2]
       K25500  mazZ; Cyanophage dATP/dGTP diphosphohydrolase [EC:3.6.1.-]
       K24972  purZ; Vibrio phage 2-amino-2'-deoxyadenylo-succinate synthase [EC:6.3.4.25]