2YR6:
reference: Structural basis of proteolytic activation of L-phenylalanine oxidase from Pseudomonas sp. P-501., Ida K, Kurabayashi M, Suguro M, Hiruma Y, Hikima T, Yamomoto M, Suzuki H, J Biol Chem. 2008 Jun 13;283(24):16584-90. doi: 10.1074/jbc.M800366200. Epub 2008, Apr 16. PMID: 18417467

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