5IDL image
Entry Detail
PDB ID:
5IDL
Keywords:
Title:
Crystal structure of the germline-targeting HIV-1 gp120 engineered outer domain, eOD-GT8
Biological Source:
Host Organism:
PDB Version:
Deposition Date:
2016-02-24
Release Date:
2016-10-05
Method Details:
Experimental Method:
Resolution:
2.90 Å
R-Value Free:
0.29
R-Value Work:
0.25
R-Value Observed:
0.25
Space Group:
P 21 21 21
Macromolecular Entities
Polymer Type:polypeptide(L)
Description:Germline-targeting HIV-1 gp120 engineered outer domain, eOD-GT8
Chain IDs:A
Chain Length:181
Number of Molecules:1
Biological Source:Human immunodeficiency virus 1
Ligand Molecules
Primary Citation
HIV-1 broadly neutralizing antibody precursor B cells revealed by germline-targeting immunogen.
Science 351 1458 1463 (2016)
PMID: 27013733 DOI: 10.1126/science.aad9195

Abstact

Induction of broadly neutralizing antibodies (bnAbs) is a major HIV vaccine goal. Germline-targeting immunogens aim to initiate bnAb induction by activating bnAb germline precursor B cells. Critical unmet challenges are to determine whether bnAb precursor naïve B cells bind germline-targeting immunogens and occur at sufficient frequency in humans for reliable vaccine responses. Using deep mutational scanning and multitarget optimization, we developed a germline-targeting immunogen (eOD-GT8) for diverse VRC01-class bnAbs. We then used the immunogen to isolate VRC01-class precursor naïve B cells from HIV-uninfected donors. Frequencies of true VRC01-class precursors, their structures, and their eOD-GT8 affinities support this immunogen as a candidate human vaccine prime. These methods could be applied to germline targeting for other classes of HIV bnAbs and for Abs to other pathogens.

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Primary Citation of related structures