Steroid side-chain-cleaving aldolase

UniProtKB accession:  D1AB74

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UniProtKB description:  Probably involved in bile acid degradation (Probable). In vitro, when associated with the ChsH1/ChsH2 hydratase, catalyzes the retroaldol cleavage of 17-hydroxy-3-oxo-4-pregnene-20-carboxyl-CoA (17-HOPC-CoA), forming androst-4-ene-3,17-dione and propionyl-CoA (PubMed:31209106). The in vivo substrate is probably a closely analogous bile acid degradation metabolite (Probable).