Availability of cysteine derivatives for the biosynthesis of penicillins.
D003545:Cysteine / Q000031:analogs & derivatives; D008658:Inactivation, Metabolic; D010406:Penicillins / Q000378:metabolism*; D010407:Penicillium
D010406:Penicillins; D003545:Cysteine
CYSTEINE/derivatives; PENICILLIN/metabolism; PENICILLIUM