KEGG   PATHWAY: ko00525
Entry
ko00525                     Pathway                                
Name
Acarbose and validamycin biosynthesis
Class
Metabolism; Biosynthesis of other secondary metabolites
Pathway map
ko00525  Acarbose and validamycin biosynthesis
ko00525

Module
M00814  Acarbose biosynthesis, sedoheptulopyranose-7P => acarbose [PATH:ko00525]
M00815  Validamycin A biosynthesis, sedoheptulopyranose-7P => validamycin A [PATH:ko00525]
Orthology
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]
K19969  acbC, salQ, valA, cetA; 2-epi-5-epi-valiolone synthase [EC:4.2.3.152]
K19974  acbO; 2-epi-5-epi-valiolone 7-phosphate 2-epimerase [EC:5.1.3.35]
K19978  acbK; acarbose 7IV-phosphotransferase [EC:2.7.1.187]
K19979  acbM; 2-epi-5-epi-valiolone 7-kinase [EC:2.7.1.188]
K20424  acbL; 2-epi-valiolone-7-phosphate 1-reductase [EC:1.1.1.-]
K20425  acbN; cyclitol oxidoreductase
K20426  acbU; 1-epi-valienol-7-phosphate kinase [EC:2.7.-.-]
K20427  acbR, vldB; valienol-1-phosphate guanylyltransferase [EC:2.7.7.91]
K20428  acbV; dTDP-4-amino-4,6-dideoxy-D-glucose transaminase [EC:2.6.1.33]
K20430  acbS; glycosyltransferase AcbS [EC:2.4.-.-]
K20431  cetB, valD; 2-epi-5-epi-valiolone epimerase [EC:5.1.3.33]
K20432  valK; 5-epi-valiolone dehydratase [EC:4.2.1.-]
K20433  valC; C7-cyclitol 7-kinase [EC:2.7.1.214]
K20434  valN; cyclitol reductase
K20435  valM; validone 7-phosphate aminotransferase [EC:2.6.1.-]
K20436  valL, salC; validamine 7-phosphate valienyltransferase [EC:2.5.1.135]
K20437  vldH; validoxylamine A 7'-phosphate phosphatase [EC:3.1.3.101]
K20438  valG; validoxylamine A glucosyltransferase [EC:2.4.1.338]
K20439  salP; putative phosphohexomutase / phosphatase
K20440  salE; salbostatin 6'-phosphate phosphatase [EC:3.1.3.-]
K20441  cetL; 5-epi-valiolone oxidase [EC:1.1.3.-]
K20442  cetM; 2-keto-5-epi-valolone aminotransferase [EC:2.6.1.-]
K20443  cetD; cetoniacytone B acyltransferase [EC:2.3.1.-]
K21036  vldW; validamycin A dioxygenase [EC:1.14.11.52]
K23144  K23144; UDP-N-acetylglucosamine diphosphorylase / glucose-1-phosphate thymidylyltransferase / UDP-N-acetylgalactosamine diphosphorylase / glucosamine-1-phosphate N-acetyltransferase / galactosamine-1-phosphate N-acetyltransferase
Compound
C00103  D-Glucose 1-phosphate
C00842  dTDP-glucose
C04268  dTDP-4-amino-4,6-dideoxy-D-glucose
C06802  Acarbose
C11907  dTDP-4-oxo-6-deoxy-D-glucose
C12112  Validamycin A
C17691  2-epi-5-epi-Valiolone
C17692  2-epi-5-epi-Valiolone 7-phosphate
C17693  5-epi-Valiolone 7-phosphate
C17694  5-epi-Valiolone
C17695  2-Keto-5-epi-valiolone
C17696  Valienone
C17697  Valienone 7-phosphate
C17698  Salbostatin
C17699  Cetoniacytone A
C17700  Validoxylamine A
C20956  alpha-D-Sedoheptulopyranose 7-phosphate
C21156  Acarbose 7IV-phosphate
C21204  5-epi-Valiolol 7-phosphate
C21205  1-epi-Valienol 7-phosphate
C21206  1,7-Diphospho-1-epi-valienol
C21207  NDP-1-epi-valienol 7-phosphate
C21208  dTDP-acarviose-7-phosphate
C21209  1-epi-Valienol 1-phosphate
C21210  NDP-1-epi-valienol
C21211  Salbostatin 6'-phosphate
C21216  Validamine 7-phosphate
C21218  Validone 7-phosphate
C21219  Validoxylamine A 7'-phosphate
C21247  2-Amino-5-epi-valiolone
C21248  2-Aminovalienone
C21249  Cetoniacytone B
C21293  Validamycin B
C21367  Valienol 1-phosphate
C21368  GDP-valienol
C21415  Valienol 7-phosphate
Reference
  Authors
Flatt PM, Mahmud T
  Title
Biosynthesis of aminocyclitol-aminoglycoside antibiotics and related compounds.
  Journal
Nat Prod Rep 24:358-92 (2007)
DOI:10.1039/b603816f
Reference
  Authors
Mahmud T, Flatt PM, Wu X
  Title
Biosynthesis of unusual aminocyclitol-containing natural products.
  Journal
J Nat Prod 70:1384-91 (2007)
DOI:10.1021/np070210q
Reference
  Authors
Wendler S, Hurtgen D, Kalinowski J, Klein A, Niehaus K, Schulte F, Schwientek P, Wehlmann H, Wehmeier UF, Puhler A
  Title
The cytosolic and extracellular proteomes of Actinoplanes sp. SE50/110 led to the identification of gene products involved in acarbose metabolism.
  Journal
J Biotechnol 167:178-89 (2013)
DOI:10.1016/j.jbiotec.2012.08.011
Reference
  Authors
Schwientek P, Szczepanowski R, Ruckert C, Kalinowski J, Klein A, Selber K, Wehmeier UF, Stoye J, Puhler A
  Title
The complete genome sequence of the acarbose producer Actinoplanes sp. SE50/110.
  Journal
BMC Genomics 13:112 (2012)
DOI:10.1186/1471-2164-13-112
Reference
  Authors
Deng Z, Bai L
  Title
Antibiotic biosynthetic pathways and pathway engineering--a growing research field in China.
  Journal
Nat Prod Rep 23:811-27 (2006)
DOI:10.1039/b611140h
Reference
  Authors
Asamizu S, Yang J, Almabruk KH, Mahmud T
  Title
Pseudoglycosyltransferase catalyzes nonglycosidic C-N coupling in validamycin a biosynthesis.
  Journal
J Am Chem Soc 133:12124-35 (2011)
DOI:10.1021/ja203574u
Reference
  Authors
Choi WS, Wu X, Choeng YH, Mahmud T, Jeong BC, Lee SH, Chang YK, Kim CJ, Hong SK
  Title
Genetic organization of the putative salbostatin biosynthetic gene cluster including the 2-epi-5-epi-valiolone synthase gene in Streptomyces albus ATCC 21838.
  Journal
Appl Microbiol Biotechnol 80:637-45 (2008)
DOI:10.1007/s00253-008-1591-2
Reference
  Authors
Wu X, Flatt PM, Xu H, Mahmud T
  Title
Biosynthetic gene cluster of cetoniacytone A, an unusual aminocyclitol from the endosymbiotic Bacterium Actinomyces sp. Lu 9419.
  Journal
Chembiochem 10:304-14 (2009)
DOI:10.1002/cbic.200800527
Related
pathway
ko00030  Pentose phosphate pathway
ko00520  Amino sugar and nucleotide sugar metabolism

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