2021-03-03 REL RCSB RCSB RCSB 2020-02-24 2020-03-04 2021-03-03 2021-03-03 National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID) R01-AI120801 United States National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID) AI100645 United States National Institutes of Health/National Cancer Institute (NIH/NCI) HHSN261200800001 United States Cai F Chen WH Wu W Jones J Misook C Gohain N Shen X LaBranche C Eaton A Sutherland L Hernandez G Nelson RW Scearce R Seaman M Moody MA Santra S Wiehe KJ Tomaras GD Wagh K Korber B Bonsignori M Montefiori DC Haynes BF de Val N Joyce GM Saunders KO Cai F Chen WH Wu W Jones J Misook C Gohain N Shen X LaBranche C Eaton A Sutherland L Hernandez G Nelson RW Scearce R Seaman M Moody MA Santra S Wiehe KJ Tomaras GD Wagh K Korber B Bonsignori M Montefiori DC Haynes BF de Val N Joyce GM Saunders KO To Be Published 0353 EMD-21450 associated EM volume CON-S ch.DS.SOSIP in complex with DH845 Fab CON-S ch.DS.SOSIP in complex with DH845 Fab 0 Human immunodeficiency virus 1 Homo sapiens HEK 293F cells 0.05 singleParticle particle 0.01 8.0 10.0 TRIS tris 500.0 NaCl sodium Chloride NEGATIVE Uranyl Formate

grids were glow discharged and using 0.7% UF they were stained.

C-flat COPPER 200 CARBON CONTINUOUS GLOW DISCHARGE AIR FEI TECNAI 20 OTHER BRIGHT FIELD LAB6 200 1.1 1.1 100000.0 OTHER FEI EAGLE (2k x 2k) 1 40.0 1 8741 C1 21.0 FSC 0.5 CUT-OFF RELION 7385 NOT APPLICABLE NOT APPLICABLE 4 RELION AB INITIO MODEL