Protein
Protostadienol synthase A
Organism
Neosartorya fischeri (strain ATCC 1020 / DSM 3700 / CBS 544.65 / FGSC A1164 / JCM 1740 / NRRL 181 / WB 181)
Function
Protostadienol synthase which cyclizes (3S)-oxidosqualene to (17Z)-protosta-17(20),24-dien-3-beta-ol (protostadienol), the biosynthetic precursor of helvolic acid, a secondary metabolite which promotes virulence.
Similarity
Belongs to the terpene cyclase/mutase family.
Sequence
MTTDSSMPATVIGKAEFSNTKAASEFGTNLSRWRLNVDNGRHMWEYLESEDEARKRPQSILEKYWLGLPYELPARPRATRALEAVENGWEFFKRLQTADGHWGCNDDGPLFVTSGMVIARYIVGIPIDSHMKQEMCRYLLNVVNEDGGWGLFIQSPSTVFGTVMNYCMLRILGLGPEHPAMARARNTLHRLGSASATPTWGKFWLCVLGVYEWEGMIPLPPEPLLVPASLPFNPGKWWVHTRNVYISMSYLYGHRFSMPPNKLVQALRDELYDIPYEQINWPAQRTNVSAADRLTDPTWIQRSFTSALTTYETFKIPFLRRRALNEALFQIETETRNTHYLCIAPVSFASNMLALYHAHGRDSHWIRGMRDRFIDPMWLCREGLAASGTNGTSLWDTALTVQATIDAGLAARPENQAILRKALEFIDNSQIREDPLGVHHVYRQPTRGAWPFSTRDQSYAVSDTTAEAVKVVVLLQQIEGFPSRISDERLQQAIDLILGMENAGGGFSAYEPVRGPKFLELLNITELYENVMTDNLYPECTSSVIMSLTTFAREYPTYRARDIQACVSRSVDYLLRSQYPNGGWFASWGVCFTYATMFALQGLACMGRNESNCAACQRACSFLLQHQNPDGGWGESLDTVRFKQYLPHPDGSQVTNTAYAVIGLLAARCGNHEAIRRGVAYLMKEQQDTGEWLPGALEGVFAPPGGMRYPNYKFHFTLMALGRYAAVHGDECLAAQLV