4TVP:
reference: Structure and immune recognition of trimeric pre-fusion HIV-1 Env., Pancera M, Zhou T, Druz A, Georgiev IS, Soto C, Gorman J, Huang J, Acharya P, Chuang GY, Ofek G, Stewart-Jones GB, Stuckey J, Bailer RT, Joyce MG, Louder MK, Tumba N, Yang Y, Zhang B, Cohen MS, Haynes BF, Mascola JR, Morris L, Munro JB, Blanchard SC, Mothes W, Connors M, Kwong PD, Nature. 2014 Oct 8. doi: 10.1038/nature13808. PMID: 25296255

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