5NWW:
reference: Structure-Related Roles for the Conservation of the HIV-1 Fusion Peptide Sequence Revealed by Nuclear Magnetic Resonance., Serrano S, Huarte N, Rujas E, Andreu D, Nieva JL, Jimenez MA, Biochemistry. 2017 Oct 17;56(41):5503-5511. doi: 10.1021/acs.biochem.7b00745., Epub 2017 Sep 29. PMID: 28930470

This OCA Structure page
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