2AMF:
reference: Crystal Structures of Delta(1)-Pyrroline-5-carboxylate Reductase from Human Pathogens Neisseria meningitides and Streptococcus pyogenes., Nocek B, Chang C, Li H, Lezondra L, Holzle D, Collart F, Joachimiak A, J Mol Biol 2005 Nov 18;354(1):91-106. Epub 2005 Sep 2. PMID: 16233902

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