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IMAGE: (A) X-ray crystal structure of QhpG and schematic of crosslinked QhpC. The substrate QhpC is bound to the pocket formed by the catalytic domain, which includes the FAD cofactor and...
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Credit: Osaka University
Osaka, Japan - Investigators from the Institute of Scientific and Industrial Research at Osaka University, together with Hiroshima Institute of Technology, have announced the discovery of a new protein that allows an organism to conduct an initial and essential step in converting amino acid residues on a crosslinked polypeptide into an enzyme cofactor. This research may lead to a better understanding of the biochemistry underlying catalysis in cells.