Functional Anatomy of the Trimer Apex Reveals Key Hydrophobic Constraints That Maintain the HIV-1 Envelope Spike in a Closed State
Peng Zhang,
Alice L. Kwon,
Christina Guzzo,
Qingbo Liu,
Hana Schmeisser,
Huiyi Miao,
Yin Lin,
Raffaello Cimbro,
Jinghe Huang,
Mark Connors,
Stephen D. Schmidt,
Michael A. Dolan,
Anthony A. Armstrong,
Paolo Lusso
Affiliations
Peng Zhang
Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
Alice L. Kwon
Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
Christina Guzzo
Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
Qingbo Liu
Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
Hana Schmeisser
Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
Huiyi Miao
Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
Yin Lin
Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
Raffaello Cimbro
Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
Jinghe Huang
Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
Mark Connors
Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
Stephen D. Schmidt
Vaccine Research Center, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
Michael A. Dolan
Bioinformatics and Computational Biosciences Branch, Office of Cyber Infrastructure and Computational Biology, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
Anthony A. Armstrong
Bioinformatics and Computational Biosciences Branch, Office of Cyber Infrastructure and Computational Biology, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
Elucidating the structure and function of the HIV-1 outer envelope proteins is critical for the design of an effective vaccine. Despite the availability of many high-resolution structures, key functional correlates in the envelope trimer remain undefined.