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203,371 Nearly all functionally characterized bona fide CsoR-like Cu I sensors are related to Bs CsoR 357,359,370 which conserve the three cognate Cu I binding residues that form a CHC (Cys-His-Cys) X-Y-Z motif and lack an N-terminal metal binding residue W, thus denoted xCH-C

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Reconstituted BPC-157 is stable for approximately 28 days at 2-8C