The Enzyme Database

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EC 1.14.11.35     
Accepted name: 1-deoxypentalenic acid 11β-hydroxylase
Reaction: 1-deoxypentalenate + 2-oxoglutarate + O2 = 1-deoxy-11β-hydroxypentalenate + succinate + CO2
For diagram of pentalenolactone biosynthesis, click here
Glossary: 1-deoxypentalenate = (1R,3aR,5aS,8aR)-1,7,7-trimethyl-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalene-4-carboxylate
1-deoxy-11β-hydroxypentalenate = (1S,2R,3aR,5aS,8aR)-2-hydroxy-1,7,7-trimethyl-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalene-4-carboxylate
Other name(s): ptlH (gene name); sav2991 (gene name); pntH (gene name)
Systematic name: 1-deoxypentalenic acid,2-oxoglutarate:oxygen oxidoreductase
Comments: The enzyme requires Fe(II) and ascorbate. Isolated from the bacterium Streptomyces avermitilis. Part of the pathway for pentalenolactone biosynthesis.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  You, Z., Omura, S., Ikeda, H. and Cane, D.E. Pentalenolactone biosynthesis. Molecular cloning and assignment of biochemical function to PtlH, a non-heme iron dioxygenase of Streptomyces avermitilis. J. Am. Chem. Soc. 128 (2006) 6566–6567. [DOI] [PMID: 16704250]
2.  You, Z., Omura, S., Ikeda, H., Cane, D.E. and Jogl, G. Crystal structure of the non-heme iron dioxygenase PtlH in pentalenolactone biosynthesis. J. Biol. Chem. 282 (2007) 36552–36560. [DOI] [PMID: 17942405]
[EC 1.14.11.35 created 2012]
 
 
EC 1.14.15.11     
Accepted name: pentalenic acid synthase
Reaction: 1-deoxypentalenate + reduced ferredoxin + O2 = pentalenate + oxidized ferredoxin + H2O
For diagram of pentalenolactone biosynthesis, click here
Glossary: 1-deoxypentalenate = (1R,3aR,5aS,8aR)-1,7,7-trimethyl-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalene-4-carboxylate
pentalenate = (1R,3aR,5aS,6R,8aS)-6-hydroxy-1,7,7-trimethyl-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalene-4-carboxylate
Other name(s): CYP105D7; sav7469 (gene name); 1-deoxypentalenate,reduced ferredoxin:O2 oxidoreductase
Systematic name: 1-deoxypentalenate,reduced ferredoxin:oxygen oxidoreductase
Comments: A heme-thiolate enzyme (P-450). Isolated from the bacterium Streptomyces avermitilis. The product, pentalenate, is a co-metabolite from pentalenolactone biosynthesis.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Takamatsu, S., Xu, L.H., Fushinobu, S., Shoun, H., Komatsu, M., Cane, D.E. and Ikeda, H. Pentalenic acid is a shunt metabolite in the biosynthesis of the pentalenolactone family of metabolites: hydroxylation of 1-deoxypentalenic acid mediated by CYP105D7 (SAV_7469) of Streptomyces avermitilis. J. Antibiot. (Tokyo) 64 (2011) 65–71. [DOI] [PMID: 21081950]
[EC 1.14.15.11 created 2012]
 
 


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