1Q4A: S65t Q80r Green Fluorescent Protein (Gfp) Ph 8.5
reference: Local complexity of amino acid interactions in a protein core., Jain RK, Ranganathan R, Proc Natl Acad Sci U S A 2004 Jan 6;101(1):111-6. Epub 2003 Dec 18. PMID: 14684834

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