3TWF:
reference: Structural basis for the enhanced stability of highly fluorinated proteins., Buer BC, Meagher JL, Stuckey JA, Marsh EN, Proc Natl Acad Sci U S A. 2012 Mar 27;109(13):4810-5. Epub 2012 Mar 12. PMID: 22411812

This OCA Structure page
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