Science - 06.12.2019

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We thank H. Gristick and P. Bjorkman for providing atomic
coordinates of unliganded BG18 Fab in advance of publication ( 17 )
and C. Corbaci for graphical design assistance for the summary.
Funding:This work was supported by the National Institute of
Allergy and Infectious Diseases (NIAID) UM1 Al100663 (Scripps
Center for HIV/AIDS Vaccine Immunology and Immunogen
Discovery) and UM1 AI144462 (Scripps Consortium for HIV/AIDS
Vaccine Development) (to W.R.S., F.D.B., S.C., A.B.W., and
D.R.B) and NIAID R01 AI113867 (to W.R.S.); by the Ragon Institute
of MGH, MIT, and Harvard (to F.D.B., W.R.S., and D.R.B.); by the
International AIDS Vaccine Initiative (IAVI) Neutralizing Antibody
Consortium (NAC) and Center (to W.R.S., A.B.W., I.A.W., and
D.R.B.); and through the Collaboration for AIDS Vaccine Discovery
funding for the IAVI NAC Center (to W.R.S., A.B.W., I.A.W., and
D.R.B.).Author contributions:J.M.S. and W.R.S. conceived the
study. J.M.S., Y.-C.L., C.H.-D., S.P., G.O., D.R.B., A.B.W., S.C.,
F.D.B., and W.R.S. designed the study. J.M.S., D.W.K., S.R., A.R.,
and W.R.S. designed immunogens. J.M.S. designed Abs. Y.-C.L.,
S.P., S.K., E.M., and F.D.B performed immunization studies. C.H.-D.
and L.T. performed naïve B cell–sorting studies. G.O. and
J.L.T. performed cryo-EM studies. B.B. performed NGS. J.R.W.
performed bioinformatics analyses. D.S., E.L., and J.U. performed
neutralization assays. A.L., O.K., and X.H. characterized immunogens
and Abs. E.G., N.P., Y.A., and M.K. purified proteins. S.M.B. and
I.A.W. contributed structural information. J.M.S. and W.R.S.
wrote the manuscript. All co-authors edited the manuscript.
Competing interests:S.P. is now employed by GSK Vaccines
S.r.l., a company that might benefit indirectly from this research.
D.R.B. is a paid consultant of IAVI. J.M.S. and W.R.S. are inventors
on a patent application submitted by IAVI and The Scripps
Research Institute that covers the N332-GT immunogens
developed in this manuscript.Data and materials availability:
Coordinates and maps for the structural data presented in
this manuscript have been deposited to the Protein Data Bank
under accession codes 6DFG, 6DFH, 6NF5, 6NFC, and 6OC7 and
to the Electron Microscopy Data Bank under accession codes
EMD-7875, EMD-7876, EMD-7884, and EMD-7885. Antibody
sequences discovered during this study have been deposited to
GenBank under accession numbers MN495018 to MN495471
(BG18gHmouse antibodies) and MN514889 to MN514945 (human
naïve B cell antibodies binding N332-GT immunogens). Custom
scripts for the NGS database query will be made available from
W.R.S upon request. NGS sequencing data used in this manuscript
and example analysis methods are available athttps://github.
com/SchiefLab/SteichenScience2019. All other data are available
in the main text or supplementary materials.

Supplementary Text
Figs. S1 to S18
Tables S1 to S7
References ( 53 – 62 )
View/request a protocol for this paper fromBio-protocol.
22 March 2019; accepted 17 October 2019
Published online 31 October 2019

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