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. 2002 Jan;9(1):61-7.
doi: 10.1038/nsb740.

A new FAD-binding fold and intersubunit disulfide shuttle in the thiol oxidase Erv2p

Einav Gross  1 , Carolyn S Sevier, Andrea Vala, Chris A Kaiser, Deborah Fass
Affiliations

A new FAD-binding fold and intersubunit disulfide shuttle in the thiol oxidase Erv2p

Einav Gross et al. Nat Struct Biol. 2002 Jan.

Abstract

Erv2p is an FAD-dependent sulfhydryl oxidase that can promote disulfide bond formation during protein biosynthesis in the yeast endoplasmic reticulum. The structure of Erv2p, determined by X-ray crystallography to 1.5 A resolution, reveals a helix-rich dimer with no global resemblance to other known FAD-binding proteins or thiol oxidoreductases. Two pairs of cysteine residues are required for Erv2p activity. The first (Cys-Gly-Glu-Cys) is adjacent to the isoalloxazine ring of the FAD. The second (Cys-Gly-Cys) is part of a flexible C-terminal segment that can swing into the vicinity of the first cysteine pair in the opposite subunit of the dimer and may shuttle electrons between substrate protein dithiols and the FAD-proximal disulfide.

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  • Disulfides out of thin air.
    Collet JF, Bardwell JC. Collet JF, et al. Nat Struct Biol. 2002 Jan;9(1):2-3. doi: 10.1038/nsb0102-2. Nat Struct Biol. 2002. PMID: 11753423 No abstract available.

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