title: Studies on the biosynthesis of beta-lactam antibiotics. Part II. Synthesis, and incorporation into penicillin G, of (2'RS, 3'R)-(3,3'-3H2)-cystine and (2RS, 2'RS, 3S, 3'S)-(3,3'-3H2) cystine.
mesh_terms: D003553:Cystine / Q000378:metabolism*; D010400:Penicillin G / Q000096:biosynthesis*; D010407:Penicillium / Q000378:metabolism*; D013237:Stereoisomerism
chemical_list: D003553:Cystine; D010400:Penicillin G