| 3JCC: reference: Structure of Simian Immunodeficiency Virus Envelope Spikes Bound with CD4 and Monoclonal Antibody 36D5., Hu G, Liu J, Roux KH, Taylor KA, J Virol. 2017 Jul 27;91(16). pii: e00134-17. doi: 10.1128/JVI.00134-17. Print, 2017 Aug 15. PMID: 28539445 |
This OCA 
Structure page
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(documentation).