1BWD:
reference: Crystal structure of L-arginine:inosamine-phosphate amidinotransferase StrB1 from Streptomyces griseus: an enzyme involved in streptomycin biosynthesis., Fritsche E, Bergner A, Humm A, Piepersberg W, Huber R, Biochemistry 1998 Dec 22;37(51):17664-72. PMID: 9922132

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