Catalyzes the elimination of the C-1 and C-2 hydrogen atoms of the A-ring from the polycyclic ring structure of 3-ketosteroids. Is also involved in the formation of 3-keto-1,4-diene-steroid from 3-keto-4-ene-steroid.

Belongs to the FAD-dependent oxidoreductase 2 family. 3-oxosteroid dehydrogenase subfamily.

566 amino acids

MFYMTVQEFDVVVVGSGAAGMVAALVAAHRGLSTVVVEKAPHYGGSTARSGGGVWIPNNEVLKRRGVRDTPEAARTYLHGIVGEIVEPERIDAYLDRGPEMLSFVLKHTPLKMCWVPGYSDYYPEAPGGRPGGRSIEPKPFNARKLGADMAGLEPAYGKVPLNVVVMQQDYVRLNQLKRHPRGVLRSMKVGARTMWAKATGKNLVGMGRALIGPLRIGLQRAGVPVELNTAFTDLFVENGVVSGVYVRDSHEAESAEPQLIRARRGVILACGGFEHNEQMRIKYQRAPITTEWTVGASANTGDGILAAEKLGAALDLMDDAWWGPTVPLVGKPWFALSERNSPGSIIVNMSGKRFMNESMPYVEACHHMYGGEHGQGPGPGENIPAWLVFDQRYRDRYIFAGLQPGQRIPSRWLDSGVIVQADTLAELAGKAGLPADELTATVQRFNAFARSGVDEDYHRGESAYDRYYGDPSNKPNPNLGEVGHPPYYGAKMVPGDLGTKGGIRTDVNGRALRDDGSIIDGLYAAGNVSAPVMGHTYPGPGGTIGPAMTFGYLAALHIADQAGKR

61.1 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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