6OC7

HMP42 Fab in complex with Protein G


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.30 Å
  • R-Value Free: 0.184 
  • R-Value Work: 0.168 
  • R-Value Observed: 0.169 

wwPDB Validation 3D Report Full Report



Literature

A generalized HIV vaccine design strategy for priming of broadly neutralizing antibody responses.

Steichen, J.M.Lin, Y.C.Havenar-Daughton, C.Pecetta, S.Ozorowski, G.Willis, J.R.Toy, L.Sok, D.Liguori, A.Kratochvil, S.Torres, J.L.Kalyuzhniy, O.Melzi, E.Kulp, D.W.Raemisch, S.Hu, X.Bernard, S.M.Georgeson, E.Phelps, N.Adachi, Y.Kubitz, M.Landais, E.Umotoy, J.Robinson, A.Briney, B.Wilson, I.A.Burton, D.R.Ward, A.B.Crotty, S.Batista, F.D.Schief, W.R.

(2019) Science 366

  • DOI: 10.1126/science.aax4380
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Vaccine induction of broadly neutralizing antibodies (bnAbs) to HIV remains a major challenge. Germline-targeting immunogens hold promise for initiating the induction of certain bnAb classes; yet for most bnAbs, a strong dependence on antibody heavy ...

    Vaccine induction of broadly neutralizing antibodies (bnAbs) to HIV remains a major challenge. Germline-targeting immunogens hold promise for initiating the induction of certain bnAb classes; yet for most bnAbs, a strong dependence on antibody heavy chain complementarity-determining region 3 (HCDR3) is a major barrier. Exploiting ultradeep human antibody sequencing data, we identified a diverse set of potential antibody precursors for a bnAb with dominant HCDR3 contacts. We then developed HIV envelope trimer-based immunogens that primed responses from rare bnAb-precursor B cells in a mouse model and bound a range of potential bnAb-precursor human naïve B cells in ex vivo screens. Our repertoire-guided germline-targeting approach provides a framework for priming the induction of many HIV bnAbs and could be applied to most HCDR3-dominant antibodies from other pathogens.


    Organizational Affiliation

    The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Heavy chain of HMP42 Fab
H
231Homo sapiensMutation(s): 0 
Protein Feature View
  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Light chain for HMP42 Fab
L
214Homo sapiensMutation(s): 0 
Protein Feature View
  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
Immunoglobulin G-binding protein G
C
66Streptococcus sp. 'group GMutation(s): 0 
Gene Names: spg
Find proteins for P19909 (Streptococcus sp. group G)
Go to UniProtKB:  P19909
Protein Feature View
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.30 Å
  • R-Value Free: 0.184 
  • R-Value Work: 0.168 
  • R-Value Observed: 0.169 
  • Space Group: I 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 91.132α = 90
b = 54.388β = 90.01
c = 103.081γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)United StatesUM1 Al100663

Revision History 

  • Version 1.0: 2020-02-05
    Type: Initial release