1YNH:
reference: Crystal structure of N-succinylarginine dihydrolase AstB, bound to substrate and product, an enzyme from the arginine catabolic pathway of Escherichia coli., Tocilj A, Schrag JD, Li Y, Schneider BL, Reitzer L, Matte A, Cygler M, J Biol Chem. 2005 Apr 22;280(16):15800-8. Epub 2005 Feb 9. PMID: 15703173

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