1VPR:
reference: Crystal structure of a pH-regulated luciferase catalyzing the bioluminescent oxidation of an open tetrapyrrole., Schultz LW, Liu L, Cegielski M, Hastings JW, Proc Natl Acad Sci U S A 2005 Feb 1;102(5):1378-83. Epub 2005 Jan 21. PMID: 15665092

This OCA Structure page
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