Part of a bifunctional enzyme complex that functions as an NADPH-dependent hydrogen-evolving hydrogenase with sulfur-reducing activity. May play a role in hydrogen cycling during fermentative growth. Activity not exhibited with NAD. The alpha and delta subunits form the hydrogenase component that catalyzes the reduction of protons to evolve hydrogen.

Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family.

428 amino acids

MKNLYLPITIDHIARVEGKGGVEIIIGDDGVKEVKLNIIEGPRFFEAITIGKKLEEALAIYPRICSFCSAAHKLTALEAAEKAVGFVPREEIQALREVLYIGDMIESHALHLYLLVLPDYRGYSSPLKMVNEYKREIEIALKLKNLGTWMMDILGSRAIHQENAVLGGFGKLPEKSVLEKMKAELREALPLAEYTFELFAKLEQYSEVEGPITHLAVKPRGDAYGIYGDYIKASDGEEFPSEKYRDYIKEFVVEHSFAKHSHYKGRPFMVGAISRVINNADLLYGKAKELYEANKDLLKGTNPFANNLAQALEIVYFIERAIDLLDEALAKWPIKPRDEVEIKDGFGVSTTEAPRGILVYALKVENGRVSYADIITPTAFNLAMMEEHVRMMAEKHYNDDPERLKILAEMVVRAYDPCISCSVHVVRL

48.3 kDa

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

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