3L05:
reference: A single mutation in the active site swaps the substrate specificity of N-acetyl-L-ornithine transcarbamylase and N-succinyl-L-ornithine transcarbamylase., Shi D, Yu X, Cabrera-Luque J, Chen TY, Roth L, Morizono H, Allewell NM, Tuchman M, Protein Sci. 2007 Aug;16(8):1689-99. Epub 2007 Jun 28. PMID: 17600144

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