Article
Conversion of a catalytic into a structural disulfide bond by circular permutation.
Biochemistry - 15 Dec 1998
Hennecke J, Glockshuber R
Abstract excerpt
The thiol-disulfide oxidoreductase DsbA from Escherichia coli is the strongest oxidant of the enzyme family and required for disulfide bond formation in the bacterial periplasm. The catalytic domain of this 189-residue protein has a thioredoxin-like fold and contains a catalytic disulfide bridge that is located within the sequence Cys30-Pro31-His32-Cys33 at the N-terminus of an alpha-helix. The Cys30-Cys33...
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