1RZG:
reference: Structural basis of tyrosine sulfation and VH-gene usage in antibodies that recognize the HIV type 1 coreceptor-binding site on gp120., Huang CC, Venturi M, Majeed S, Moore MJ, Phogat S, Zhang MY, Dimitrov DS, Hendrickson WA, Robinson J, Sodroski J, Wyatt R, Choe H, Farzan M, Kwong PD, Proc Natl Acad Sci U S A 2004 Mar 2;101(9):2706-11. Epub 2004 Feb 23. PMID: 14981267

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