KEGG Orthology (KO)

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 09100 Metabolism
 
   09101 Carbohydrate metabolism
 
   09102 Energy metabolism
 
   09103 Lipid metabolism
 
   09104 Nucleotide metabolism
 
   09105 Amino acid metabolism
 
   09106 Metabolism of other amino acids
 
   09107 Glycan biosynthesis and metabolism
     00520 Amino sugar and nucleotide sugar metabolism [PATH:ko00520]
     00541 Biosynthesis of various nucleotide sugars [PATH:ko00541]
       K00972  UAP1; UDP-N-acetylglucosamine/UDP-N-acetylgalactosamine diphosphorylase [EC:2.7.7.23 2.7.7.83]
       K04042  glmU; bifunctional UDP-N-acetylglucosamine pyrophosphorylase / glucosamine-1-phosphate N-acetyltransferase [EC:2.7.7.23 2.3.1.157]
       K11528  glmU; UDP-N-acetylglucosamine pyrophosphorylase [EC:2.7.7.23]
       K23144  K23144; UDP-N-acetylglucosamine diphosphorylase / glucose-1-phosphate thymidylyltransferase / UDP-N-acetylgalactosamine diphosphorylase / glucosamine-1-phosphate N-acetyltransferase / galactosamine-1-phosphate N-acetyltransferase [EC:2.7.7.23 2.7.7.24 2.7.7.83 2.3.1.157 2.3.1.276]
       K02473  wbpP; UDP-N-acetylglucosamine/UDP-N-acetyl-alpha-D-glucosaminouronate 4-epimerase [EC:5.1.3.7 5.1.3.45]
       K02474  wbpO; UDP-N-acetyl-D-glucosamine/UDP-N-acetyl-D-galactosamine dehydrogenase [EC:1.1.1.136 1.1.1.-]
       K26218  wbgV; UDP-GalNAcA 5-epimerase
       K24327  wbpS; glutamine-dependent amidotransferase [EC:6.3.5.-]
       K22925  tviC, vipB; UDP-N-acetyl-alpha-D-glucosaminouronate 4-epimerase [EC:5.1.3.45]
       K13015  wbpA; UDP-N-acetyl-D-glucosamine dehydrogenase [EC:1.1.1.136]
       K22926  tviB, vipA; UDP-N-acetylglucosamine 6-dehydrogenase [EC:1.1.1.136]
       K13016  wbpB; UDP-N-acetyl-2-amino-2-deoxyglucuronate dehydrogenase [EC:1.1.1.335]
       K13020  wlbA, bplA; UDP-N-acetyl-2-amino-2-deoxyglucuronate dehydrogenase [EC:1.1.1.335]
       K13017  wbpE, wlbC; UDP-2-acetamido-2-deoxy-ribo-hexuluronate aminotransferase [EC:2.6.1.98]
       K13018  wbpD, wlbB; UDP-2-acetamido-3-amino-2,3-dideoxy-glucuronate N-acetyltransferase [EC:2.3.1.201]
       K13019  wbpI, wlbD; UDP-GlcNAc3NAcA epimerase [EC:5.1.3.23]
       K24326  wbpG; aminotransferase
       K27853  wcaG; UDP-N-acetyl-alpha-D-glucosaminuronate decarboxylase [EC:4.1.1.128]
       K15894  pseB, fnlA, wbjB; UDP-N-acetylglucosamine 4,6-dehydratase [EC:4.2.1.115]
       K24336  elg1, pglF, lea1; UDP-N-acetylglucosamine 4,6-dehydratase [EC:4.2.1.115 4.2.1.135]
       K19068  wbjC; UDP-2-acetamido-2,6-beta-L-arabino-hexul-4-ose reductase [EC:1.1.1.367]
       K24258  wbjD; UDP-N-acetyl-L-fucosamine synthase [EC:5.1.3.28]
       K24259  wbuX; putative aminotransferase
       K15895  pseC; UDP-4-amino-4,6-dideoxy-L-N-acetyl-beta-L-altrosamine transaminase [EC:2.6.1.92]
       K15896  pseH; UDP-4-amino-4,6-dideoxy-N-acetyl-beta-L-altrosamine N-acetyltransferase [EC:2.3.1.202]
       K15897  pseG; UDP-2,4-diacetamido-2,4,6-trideoxy-beta-L-altropyranose hydrolase [EC:3.6.1.57]
       K15898  pseI, neuB3; pseudaminic acid synthase [EC:2.5.1.97]
       K15899  pseF; pseudaminic acid cytidylyltransferase [EC:2.7.7.81]
       K24280  elg2, lea2; UDP-4-amino-4,6-dideoxy-N-acetyl-beta-L-idosamine transaminase / UDP-N-acetylbacillosamine transaminase [EC:2.6.1.- 2.6.1.34]
       K24281  elg5; UDP-4-amino-4,6-dideoxy-N-acetyl-beta-L-idosamine acetyltransferase [EC:2.3.1.-]
       K24282  elg3; UDP-2,4-diacetamido-2,4,6-trideoxy-beta-L-idose 2-epimerase [EC:5.1.3.-]
       K24283  elg6, lea6; UDP-2,4-diacetamido-2,4,6-trideoxy-beta-L-gulopyranose hydrolase / UDP-2-acetamido-4-(D-alanylamino)-2,4,6-trideoxy-alpha-D-mannopyranose hydrolase [EC:3.6.1.-]
       K24284  elg4; 2,4-diacetamido-2,4,6-trideoxy-beta-L-gulose transferase [EC:2.5.1.-]
       K24285  elg7; N,N'-diacetyl-8-epilegionaminate cytidylyltransferase [EC:2.7.7.-]
       K15912  pglF; UDP-N-acetylglucosamine 4,6-dehydratase [EC:4.2.1.135]
       K24300  wbpM, wbgZ, aatA; UDP-N-acetylglucosamine 4,6-dehydratase [EC:4.2.1.135]
       K28372  pdeG; UDP-N-acetylglucosamine 4,6-dehydratase [EC:4.2.1.135]
       K24310  wbpV, wreQ; UDP-N-acetyl-alpha-D-quinovosamine dehydrogenase [EC:1.1.1.426]
       K24311  preQ; UDP-4-keto-6-deoxy-GlcNAc-4-reductase [EC:1.1.1.-]
       K24312  wbpK; UDP-4-keto-D-FucNAc 4-reductase
       K26217  wbgX; UDP-4-amino-4-deoxy-L-arabinose-oxoglutarate aminotransferase
       K25626  aatB, pat, wcfR; UDP-4-amino-4,6-dideoxy-N-acetyl-beta-L-altrosamine / UDP-2-acetamido-4-dehydro-2,6-dideoxyglucose transaminase [EC:2.6.1.92 2.6.1.-]
       K27969  pyl; UDP-2-acetamido-4-amino-2,4,6-trideoxy-alpha-D-galactose:2-oxoglutarate ligase [EC:6.3.2.65]
       K15910  pglE; UDP-N-acetylbacillosamine transaminase [EC:2.6.1.34]
       K15913  pglD; UDP-N-acetylbacillosamine N-acetyltransferase [EC:2.3.1.203]
       K18429  legG, neuC2; GDP/UDP-N,N'-diacetylbacillosamine 2-epimerase (hydrolysing) [EC:3.2.1.184]
       K18430  legI, neuB2; N,N'-diacetyllegionaminate synthase [EC:2.5.1.101]
       K18431  legF, ptmB; CMP-N,N'-diacetyllegionaminic acid synthase [EC:2.7.7.82]
       K24303  lea3; UDP-N-acetylbacillosamine alanyltransferase
       K24304  lea5; UDP-2-acetamido-4-(D-alanylamino)-2,4,6-trideoxy-alpha-D-glucose 2-epimerase
       K24306  lea4; 2-acetamido-4-(D-alanylamino)-2,4,6-trideoxy-D-mannopyranose transferase
       K24307  lea7; 5-N-acetyl-7-N-(D-alanyl)-legionaminic acid cytidylyltransferase
       K21279  E2.5.1.132; 3-deoxy-D-glycero-D-galacto-nononate 9-phosphate synthase [EC:2.5.1.132]
       K05304  NANS, SAS; sialic acid synthase [EC:2.5.1.56 2.5.1.57 2.5.1.132]
       K21055  E3.1.3.103; 3-deoxy-D-glycero-D-galacto-nononate 9-phosphatase [EC:3.1.3.103]
       K21750  E2.7.7.92; 3-deoxy-D-glycero-D-galacto-nononate cytidylyltransferase [EC:2.7.7.92]
       K21749  CMAS; N-acylneuraminate/3-deoxy-D-glycero-D-galacto-nononate cytidylyltransferase [EC:2.7.7.43 2.7.7.92]
       K06041  kdsD, kpsF; arabinose-5-phosphate isomerase [EC:5.3.1.13]
       K01627  kdsA; 2-dehydro-3-deoxyphosphooctonate aldolase (KDO 8-P synthase) [EC:2.5.1.55]
       K03270  kdsC; 3-deoxy-D-manno-octulosonate 8-phosphate phosphatase (KDO 8-P phosphatase) [EC:3.1.3.45]
       K00979  kdsB; 3-deoxy-manno-octulosonate cytidylyltransferase (CMP-KDO synthetase) [EC:2.7.7.38]
       K08068  siaA, neuC1; UDP-N-acetylglucosamine 2-epimerase (hydrolysing) [EC:3.2.1.183]
       K24257  neuC, nnaA; UDP-N-acetylglucosamine 2-epimerase (hydrolysing) [EC:3.2.1.183]
       K00885  nanK; N-acylmannosamine kinase [EC:2.7.1.60]
       K13967  nanEK; N-acetylmannosamine-6-phosphate 2-epimerase / N-acetylmannosamine kinase [EC:5.1.3.9 2.7.1.60]
       K12409  GNE; bifunctional UDP-N-acetylglucosamine 2-epimerase / N-acetylmannosamine kinase [EC:3.2.1.183 2.7.1.60]
       K01097  NANP; N-acylneuraminate-9-phosphatase [EC:3.1.3.29]
       K01654  neuB, nnaB; N-acetylneuraminate synthase [EC:2.5.1.56]
       K01639  E4.1.3.3, nanA, NPL; N-acetylneuraminate lyase [EC:4.1.3.3]
       K00983  neuA, nnaC; N-acylneuraminate cytidylyltransferase [EC:2.7.7.43]
       K08080  CMAH; CMP-N-acetylneuraminate monooxygenase [EC:1.14.18.2]
       K00326  CYB5R; cytochrome-b5 reductase [EC:1.6.2.2]
       K01791  wecB; UDP-N-acetylglucosamine 2-epimerase (non-hydrolysing) [EC:5.1.3.14]
       K02472  wecC; UDP-N-acetyl-D-mannosaminuronic acid dehydrogenase [EC:1.1.1.336]
       K03271  gmhA, lpcA; D-sedoheptulose 7-phosphate isomerase [EC:5.3.1.28]
       K07031  hddA; D-glycero-alpha-D-manno-heptose-7-phosphate kinase [EC:2.7.1.168]
       K03273  gmhB; D-glycero-D-manno-heptose 1,7-bisphosphate phosphatase [EC:3.1.3.82 3.1.3.83]
       K15669  hddC; D-glycero-alpha-D-manno-heptose 1-phosphate guanylyltransferase [EC:2.7.7.71]
       K03272  gmhC, hldE, waaE, rfaE; D-beta-D-heptose 7-phosphate kinase / D-beta-D-heptose 1-phosphate adenosyltransferase [EC:2.7.1.167 2.7.7.70]
       K21344  rfaE1; D-glycero-beta-D-manno-heptose-7-phosphate kinase [EC:2.7.1.167]
       K21345  rfaE2; D-glycero-beta-D-manno-heptose 1-phosphate adenylyltransferase [EC:2.7.7.70]
       K03274  gmhD, rfaD; ADP-L-glycero-D-manno-heptose 6-epimerase [EC:5.1.3.20]
       K00963  UGP2, galU, galF; UTP--glucose-1-phosphate uridylyltransferase [EC:2.7.7.9]
       K22920  UGP3; UTP---glucose-1-phosphate uridylyltransferase [EC:2.7.7.9]
       K28660  cugP; UTP---glucose-1-phosphate uridylyltransferase [EC:2.7.7.9]
       K12447  USP; UDP-sugar pyrophosphorylase [EC:2.7.7.64]
       K12450  RHM; UDP-glucose 4,6-dehydratase [EC:4.2.1.76]
       K12451  UER1; 3,5-epimerase/4-reductase [EC:5.1.3.- 1.1.1.-]
       K00012  UGDH, ugd; UDPglucose 6-dehydrogenase [EC:1.1.1.22]
       K10011  arnA, pmrI; UDP-4-amino-4-deoxy-L-arabinose formyltransferase / UDP-glucuronic acid dehydrogenase (UDP-4-keto-hexauronic acid decarboxylating) [EC:2.1.2.13 1.1.1.305]
       K07806  arnB, pmrH; UDP-4-amino-4-deoxy-L-arabinose-oxoglutarate aminotransferase [EC:2.6.1.87]
       K10012  arnC, pmrF; undecaprenyl-phosphate 4-deoxy-4-formamido-L-arabinose transferase [EC:2.4.2.53]
       K13014  arnD; undecaprenyl phosphate-alpha-L-ara4FN deformylase [EC:3.5.1.-]
       K00978  rfbF; glucose-1-phosphate cytidylyltransferase [EC:2.7.7.33]
       K01709  rfbG; CDP-glucose 4,6-dehydratase [EC:4.2.1.45]
       K12452  ascC, ddhC, rfbH; CDP-4-dehydro-6-deoxyglucose reductase, E1 [EC:1.17.1.1]
       K00523  ascD, ddhD, rfbI; CDP-4-dehydro-6-deoxyglucose reductase, E3 [EC:1.17.1.1]
       K12453  rfbS; CDP-paratose synthetase [EC:1.1.1.342]
       K12454  rfbE; CDP-paratose 2-epimerase [EC:5.1.3.10]
       K12455  rfbJ; CDP-abequose synthase [EC:1.1.1.341]
       K19632  rfbJ; CDP-abequose synthase [EC:1.1.1.341]
       K15857  ascE; CDP-3, 6-dideoxy-D-glycero-D-glycero-4-hexulose-5-epimerase [EC:5.1.-.-]
       K15858  ascF; CDP-3, 6-dideoxy-D-glycero-L-glycero-4-hexulose-4-reductase [EC:1.1.1.-]
       K00973  rfbA, rmlA, rffH; glucose-1-phosphate thymidylyltransferase [EC:2.7.7.24]
       K01710  rfbB, rmlB, rffG; dTDP-glucose 4,6-dehydratase [EC:4.2.1.46]
       K01790  rfbC, rmlC; dTDP-4-dehydrorhamnose 3,5-epimerase [EC:5.1.3.13]
       K23987  rfbCD, rmlCD; dTDP-4-dehydrorhamnose 3,5-epimerase/reductase [EC:5.1.3.13 1.1.1.133]
       K00067  rfbD, rmlD; dTDP-4-dehydrorhamnose reductase [EC:1.1.1.133]
       K19180  tll; dTDP-6-deoxy-L-talose 4-dehydrogenase (NAD+) [EC:1.1.1.339]
       K19652  tal; dTDP-6-deoxy-L-talose 4-dehydrogenase [NAD(P)+] [EC:1.1.1.344]
       K20679  fdtA; TDP-4-oxo-6-deoxy-alpha-D-glucose-3,4-oxoisomerase [EC:5.3.2.3]
       K20680  fdtB; dTDP-3-amino-3,6-dideoxy-alpha-D-galactopyranose transaminase [EC:2.6.1.90]
       K20681  fdtC; dTDP-3-amino-3,6-dideoxy-alpha-D-galactopyranose 3-N-acetyltransferase [EC:2.3.1.197]
       K24249  qdtA; TDP-4-oxo-6-deoxy-alpha-D-glucose-3,4-oxoisomerase [EC:5.3.2.4]
       K24250  qdtB; dTDP-3-amino-3,6-dideoxy-alpha-D-glucopyranose transaminase [EC:2.6.1.89]
       K24251  qdtC; dTDP-D-Quip3N acetylase [EC:2.3.1.-]
       K02805  wecE, rffA; dTDP-4-amino-4,6-dideoxygalactose transaminase [EC:2.6.1.59]
       K16704  rffC, wecD; dTDP-4-amino-4,6-dideoxy-D-galactose acyltransferase [EC:2.3.1.210]
       K20429  vioA; dTDP-4-amino-4,6-dideoxy-D-glucose transaminase [EC:2.6.1.33]
       K21379  vioB; dTDP-4-amino-4,6-dideoxy-D-glucose acyltransferase [EC:2.3.1.209]
       K13306  fcd; dTDP-4-dehydro-6-deoxyglucose reductase [EC:1.1.1.266]
       K20678  fcf2; dTDP-fucopyranose mutase [EC:5.4.99.59]
       K00966  GMPP; mannose-1-phosphate guanylyltransferase [EC:2.7.7.13]
       K00971  manC, cpsB; mannose-1-phosphate guanylyltransferase [EC:2.7.7.13]
       K16011  algA, xanB, rfbA, wbpW, pslB; mannose-1-phosphate guanylyltransferase / mannose-6-phosphate isomerase [EC:2.7.7.13 5.3.1.8]
       K16881  K16881; mannose-1-phosphate guanylyltransferase / phosphomannomutase [EC:2.7.7.13 5.4.2.8]
       K01711  gmd, GMDS; GDPmannose 4,6-dehydratase [EC:4.2.1.47]
       K13010  per, rfbE; perosamine synthetase [EC:2.6.1.102]
       K00607  wbkC; GDP-perosamine N-formyltransferase [EC:2.1.2.14]
       K17939  perB, wbdR; GDP-perosamine N-acetyltransferase [EC:2.3.1.227]
       K02377  TSTA3, fcl; GDP-L-fucose synthase [EC:1.1.1.271]
       K21131  colD; GDP-4-dehydro-6-deoxy-alpha-D-mannose 3-dehydratase [EC:4.2.1.168]
       K21130  colC; GDP-L-colitose synthase [EC:1.1.1.356]
       K15856  rmd; GDP-4-dehydro-6-deoxy-D-mannose reductase [EC:1.1.1.281]
       K22252  tld; GDP-6-deoxy-D-talose 4-dehydrogenase [EC:1.1.1.135]
     00510 N-Glycan biosynthesis [PATH:ko00510]
     00513 Various types of N-glycan biosynthesis [PATH:ko00513]
     00512 Mucin type O-glycan biosynthesis [PATH:ko00512]
     00515 Mannose type O-glycan biosynthesis [PATH:ko00515]
     00514 Other types of O-glycan biosynthesis [PATH:ko00514]
     00532 Glycosaminoglycan biosynthesis - chondroitin sulfate / dermatan sulfate [PATH:ko00532]
     00534 Glycosaminoglycan biosynthesis - heparan sulfate / heparin [PATH:ko00534]
     00533 Glycosaminoglycan biosynthesis - keratan sulfate [PATH:ko00533]
     00531 Glycosaminoglycan degradation [PATH:ko00531]
     00563 Glycosylphosphatidylinositol (GPI)-anchor biosynthesis [PATH:ko00563]
     00601 Glycosphingolipid biosynthesis - lacto and neolacto series [PATH:ko00601]
     00603 Glycosphingolipid biosynthesis - globo and isoglobo series [PATH:ko00603]
     00604 Glycosphingolipid biosynthesis - ganglio series [PATH:ko00604]
     00511 Other glycan degradation [PATH:ko00511]
     00540 Lipopolysaccharide biosynthesis [PATH:ko00540]
     00542 O-Antigen repeat unit biosynthesis [PATH:ko00542]
     00550 Peptidoglycan biosynthesis [PATH:ko00550]
     00552 Teichoic acid biosynthesis [PATH:ko00552]
     00571 Lipoarabinomannan (LAM) biosynthesis [PATH:ko00571]
     00572 Arabinogalactan biosynthesis - Mycobacterium [PATH:ko00572]
     00543 Exopolysaccharide biosynthesis [PATH:ko00543]
 
   09108 Metabolism of cofactors and vitamins
 
   09109 Metabolism of terpenoids and polyketides
 
   09110 Biosynthesis of other secondary metabolites
 
   09111 Xenobiotics biodegradation and metabolism
 
   09112 Not included in regular maps
 
 09120 Genetic Information Processing
 
 09130 Environmental Information Processing
 
 09140 Cellular Processes
 
 09150 Organismal Systems
 
 09160 Human Diseases
 
 09180 Brite Hierarchies
 
 09190 Not Included in Pathway or Brite

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Last updated: June 26, 2026