3FEQ:
reference: Functional Identification and Structure Determination of Two Novel Prolidases from cog1228 in the Amidohydrolase Superfamily., Xiang DF, Patskovsky Y, Xu C, Fedorov A, Fedorov EV, Sisco AA, Sauder JM, Burley SK, Almo S, Raushel FM, Biochemistry. 2010 Jul 6. PMID: 20604542

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