Erratum: Corrigendum: Quaternary contact in the initial interaction of CD4 with the HIV-1 envelope trimer

Nat. Struct. Mol. Biol. 24, 370–378 (2017); published online 20 February 2017; corrected after print 27 April 2017 In the version of this article initially published, funding information for B.C. and C.S.P. was missing NIH grant S10 OD019994-01. In addition, there was an incorrect comma in the introduction (after “glycoprotein” in the sentence “Upon binding to the primary cellular receptor, CD4, the external gp120 Env glycoprotein undergoes major conformational changes.