Cryo-EM structure of rhesus antibody CH42-Apex2.01 in complex with HIV Env trimer Q23-APEX-GT2

2026-04-29 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY DATABASE_REFERENCES citation citation_author em_admin _citation.country _citation.journal_abbrev _citation.journal_id_ASTM _citation.journal_id_CSD _citation.journal_id_ISSN _citation.journal_volume _citation.page_first _citation.page_last _citation.pdbx_database_id_DOI _citation.pdbx_database_id_PubMed _citation.title _citation.year _em_admin.last_update EXPERIMENTAL_SUMMARY citation citation_author em_admin _citation.country _citation.journal_abbrev _citation.journal_id_ASTM _citation.journal_id_CSD _citation.journal_id_ISSN _citation.journal_volume _citation.page_first _citation.page_last _citation.pdbx_database_id_DOI _citation.pdbx_database_id_PubMed _citation.title _citation.year _em_admin.last_update RCSB RCSB 2025-03-21 2026-04-01 2026-04-01 2026-04-29 National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID) United States Cryo-EM structure of rhesus antibody CH42-Apex2.01 in complex with HIV Env trimer Q23-APEX-GT2 Roark RS Shapiro LS Kwong PD Kwong PD immune complex, neutralization, V2 apex, germline-targeting, VIRAL PROTEIN, VIRAL PROTEIN-IMMUE SYSTEM complex Mishra N Liang B Roark RS Ghosh AR Callaghan S Lee WH Li X Vo AL Avillion G Chowdhury RR Habib R Bibollet-Ruche F Giese G Oberoi P Amereh K Somanathan A Zhu Y Zhang Y Kassab M Tjio L Andrabi S Reyes RA Allen JD James NE Randall Jr KN van der Maas L Ben-Akiva E Kacmarek-Michaels K Plante S Martella CL Skelly AN Singh A Hurtado J Dueker K Capozzola T Nedellec R Ozorowski G Lewis MG Falcone S Carfi A Himansu S Shapiro L Crispin M Hahn BH Briney B Irvine DJ Burton DR Ward AB Batista FD Kwong PD Shaw GM Andrabi R Germline-targeting HIV immunogen induces cross-neutralizing antibodies in outbred macaques. Immunity US 59 1140 1160.e11 2026 41985438 doi:10.1016/j.immuni.2026.03.012 1074-7613 2048 IUNIEH 9nw1 FULLOVERLAP EMDB EMD-49871 associated EM volume

CH42-Apex2.01 Fab in complex with HIV envelope trimer CH42-Apex2.01 Fab in complex with HIV envelope trimer 0 1 2 3 4 Macaca mulatta CH42-Apex2.01 heavy chain Macaca mulatta 0.026536328 1 Homo sapiens LEVO EVQLVESGPAVVKPSETLSLTCVVSGVSINSNNWWTWIRQSPGKGLEWIGEIHDSGGNTQYNPSLKSRVTISIDTSENQL SLKLTSVTAADTAVYYCARQTEEYYLDD(TYS)D(TYS)S(TYS)NGYNRFDVWGAGVLVTISSASTKGPSVFPLAPSSR STSESTAALGCLVKDYFPEPVTVSWNSGSLTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYVCNVNHKPSNTKVDK RVEIKTCGGGLEVLFQ CH42-Apex2.01 kappa chain Macaca mulatta 0.023327888999999997 1 Homo sapiens LEVO AIQMTQSPSSLSASVGDRVTITCRPSENINNYLHWYQQKPGKAPKLLIYAAYTLQGGVPSRFSGSGSGTDFALTISSLQA EDVATYFCQHSWTTPYSFGQGTKVEIKRTVAAPSVFIFPPSEDQVKSGTVSVVCLLNNFYPREASVKWKVDGALKTGNSQ ESVTEQDSKDNTYSLSSTLTLSSTEYQSHKVYACEVTHQGLSSPVTKSFNRGEC HIV envelope gp120 Human immunodeficiency virus type 1 0.053550621 3 Homo sapiens LEVO AENLWVTVYYGVPVWRDAETTLFCASDAKAYETEKHNVWATHACVPTDPNPQEIHLDNVTEKFNMWKNNMVEQMHTDIIS LWDQSLKPCVKLTPLCVTLHCRNVTSVNTTGDREELKNCTFNMTTELRDKRQKVYSLFYRLDIVPINENQGSEYRLINCN TSACTQACPKVSFEPIPIHYCAPAGFAILKCKDEGFNGTGLCKNVSTVQCTHGIKPVVSTQLLLNGSLAEKNITIRSENI TNNAKIIIVQLVQPVTIKCIRPNNYTRKSIRIGPGQAFYAMGDIIGDIRQAHCNVSRSRWNKTLQEVAEKLRTYFGNKTI IFANSSGGDLEITTHSFNCGGEFFYCNTSGLFNSTWYVNSTWNDTDSTQESNDTITLPCRIKQIINMWQRAGQCMYAPPI PGVIKCESNITGLLLTRDGGKDNNVNETFRPGGGDMRDNWRSELYKYKVVEIEPLGVAPTRCKRRVVEGGGGSGGGGS O55774 HIV envelope gp41 ectodomain Human immunodeficiency virus type 1 0.017205666 3 Homo sapiens LEVO AVGIGAVRRGFLGAAGSTMGAASITLTVQARQLLSGIVQPQNNLLRAPEAQQHLLKLGVWGIKQLQARVLAVERYLRDQQ LLGIWGCSGKLICCTNVPWNSSWSNKSLDEIWNNMTWLQWDKEIGNYTQLIYRLIEESQNQQEKNEKELLALD O55774 alpha-D-mannopyranose 0.000180156 1 MAN 2-acetamido-2-deoxy-beta-D-glucopyranose 0.000221208 28 NAG singleParticle particle 7.5

PBS

ETHANE 100 TFS KRIOS OTHER BRIGHT FIELD FIELD EMISSION GUN 300 0.8 2.0 GATAN K3 BIOQUANTUM (6k x 4k) 58.0 1 NONE 7LLK 3.1 FSC 0.143 CUT-OFF 122593 NOT APPLICABLE NOT APPLICABLE emd_49871.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 384 384 384 0 0 0 384 384 384 318.72 318.72 318.72 90.0 90.0 90.0 X Y Z -0.2426346 0.55181503 0.00018565489 0.015724491 0.83 0.83 0.83 0.1 AUTHOR ::::EMDATABANK.org::::EMD-49871:::: emd_49871_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 384 384 384 0 0 0 384 384 384 318.72 318.72 318.72 90.0 90.0 90.0 X Y Z -0.4631175 0.8606688 0.00089052686 0.053362142 0.83 0.83 0.83 AUTHOR ::::EMDATABANK.org::::EMD-49871:::: emd_49871_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 384 384 384 0 0 0 384 384 384 318.72 318.72 318.72 90.0 90.0 90.0 X Y Z -0.4998563 0.78002894 0.0008823711 0.053041033 0.83 0.83 0.83 AUTHOR ::::EMDATABANK.org::::EMD-49871::::