1NLD:
reference: Structure of the Fab fragment from a neutralizing monoclonal antibody directed against an epitope of gp41 from HIV-1., Davies C, Beauchamp JC, Emery D, Rawas A, Muirhead H, Acta Crystallogr D Biol Crystallogr. 1997 Mar 1;53(Pt 2):186-94. PMID: 15299953

This OCA Structure page
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