Enzymes
| UniProtKB help_outline | 4 proteins |
| Enzyme class help_outline |
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Reaction participants Show >> << Hide
- Name help_outline (S)-2,3-epoxysqualene Identifier CHEBI:15441 Charge 0 Formula C30H50O InChIKeyhelp_outline QYIMSPSDBYKPPY-RSKUXYSASA-N SMILEShelp_outline CC(C)=CCC\C(C)=C\CC\C(C)=C\CC\C=C(/C)CC\C=C(/C)CC[C@@H]1OC1(C)C 2D coordinates Mol file for the small molecule Search links Involved in 29 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline (17Z)-protosta-17(20),24-dien-3β-ol Identifier CHEBI:62457 Charge 0 Formula C30H50O InChIKeyhelp_outline CKYVHRSYUPJCLG-PTZNGALWSA-N SMILEShelp_outline [H][C@@]12CC[C@@]3([H])[C@@]4(C)CC[C@H](O)C(C)(C)[C@]4([H])CC[C@]3(C)[C@@]1(C)CC\C2=C(/C)CCC=C(C)C 2D coordinates Mol file for the small molecule Search links Involved in 1 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:30987 | RHEA:30988 | RHEA:30989 | RHEA:30990 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Publications
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Protostadienol biosynthesis and metabolism in the pathogenic fungus Aspergillus fumigatus.
Lodeiro S., Xiong Q., Wilson W.K., Ivanova Y., Smith M.L., May G.S., Matsuda S.P.
Details of the fungal biosynthetic pathway to helvolic acid and other fusidane antibiotics remain obscure. During product characterization of oxidosqualene cyclases in Aspergillus fumigatus, we found the long-sought cyclase that makes (17Z)-protosta-17(20),24-dien-3beta-ol, the precursor of helvol ... >> More
Details of the fungal biosynthetic pathway to helvolic acid and other fusidane antibiotics remain obscure. During product characterization of oxidosqualene cyclases in Aspergillus fumigatus, we found the long-sought cyclase that makes (17Z)-protosta-17(20),24-dien-3beta-ol, the precursor of helvolic acid. We then identified a gene cluster encoding the pathway to helvolic acid, which is controlled by a transcription regulator (LaeA) associated with fungal virulence. Evidence regarding the evolutionary origin and taxonomic distribution of fusidane biosynthesis is also presented. << Less