AM12-340 Fab in complex with HIV-1 Env 5MUT-3fill SOSIP

2026-07-08 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.journal_volume _citation.page_first _citation.page_last _citation_author.identifier_ORCID _em_admin.last_update EXPERIMENTAL_SUMMARY citation citation_author em_admin _citation.journal_volume _citation.page_first _citation.page_last _citation_author.identifier_ORCID _em_admin.last_update DATABASE_REFERENCES citation citation_author em_admin _citation.page_first _citation.page_last _citation_author.identifier_ORCID _em_admin.last_update EXPERIMENTAL_SUMMARY citation citation_author em_admin _citation.page_first _citation.page_last _citation_author.identifier_ORCID _em_admin.last_update RCSB RCSB 2025-09-30 2026-06-10 2026-06-10 2026-07-08 National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID) HIVRAD P01 AI100148 United States Bill & Melinda Gates Foundation INV-070086 United States AM12-340 Fab in complex with HIV-1 Env 5MUT-3fill SOSIP Gristick HB Gavor E Bjorkman PJ HIV-1, Envelope protein, Vaccine, Immunogen, Antibody, bNAb, Viral Protein, VIRAL PROTEIN-IMMUNE SYSTEM complex Skelly AN Gristick HB Li H Gavor E Connell AJ Kreider EF Marchitto L Hogarty MP Newby ML Allen JD Liu W West Jr AP Ayyanathan K Campion MS Winters K Gordon CG Osbaldeston RA Akeley MJ Lewis E Li Y Singh A Cruickshank K Park Y Zhao C Li X Amereh K Van Itallie E Carey JW Albertus A DeLaitsch AT Keeffe JR Lituchy MG Walsh AA Morris DJ Habib R Bibollet-Ruche F Mishra N Avillion G Koranda NS Plante SJ Martella CL Lora J Wang EJD Lewis MG Martin MA Nussenzweig MC Seaman MS Irvine DJ Wiehe KJ Haynes BF Wagh K Korber B Andrabi R Crispin M Weissman D Bjorkman PJ Hahn BH Shaw GM Induction of broadly neutralizing HIV antibodies by a two-step mechanism informs vaccine design. Science US 392 eaec6396 eaec6396 2026 42096521 doi:10.1126/science.aec6396 1095-9203 0038 SCIEAS 9yhs FULLOVERLAP PDB 9YHR unspecified EMDB EMD-72972 associated EM volume

HIV-1 Envelope protein HIV-1 Envelope protein 0 3 1 2 4

Stabilized, soluble form of heterotrimeric membrane glycoprotein comprising gp120 and gp41 subunits

Human immunodeficiency virus 1 0.330 AM12-340 Fab heavy chain Macaca mulatta 0.014322047 3 Homo sapiens LEVO QVQLVEWGEGLVKPSETLSLTCAVYGGSISDYYWGWIRQPPGKGLDYIGTVDIYRTEANTNSNPSLKSRVTISTDTSKNQ FSLKLTSVTAADTAIYYCARAGPLRYYGPWNMQRRFDVWGPGVLVTVSS AM12-340 Fab light chain Human immunodeficiency virus 1 0.012233620999999998 3 Homo sapiens LEVO DVVMTQSPLSLPVTPGQPASISCRSSQSLVDSDGNTHLSWYHQKPGQPPRLLIYKVSNRDSGVPDRFSGSGPGTNFTLKI SRVEAEDVGVYYCGQGTHWPWTFGQGTKVEIK BG505 MD39 SOSIP gp41 Human immunodeficiency virus 1 0.017134324 3 Homo sapiens LEVO AVGIGAVSLGFLGAAGSTMGAASMTLTVQARNLLSGIVQQQSNLLRAPEPQQHLLKDTHWGIKQLQARVLAVEHYLRDQQ LLGIWGCSGKLICCTNVPWNSSWSNRNLSEIWDNMTWLQWDKEISNYTQIIYGLLEESQNQQEKNEQDLLALD Q2N0S6 Envelope glycoprotein gp120 Human immunodeficiency virus 1 0.053927047 3 Homo sapiens LEVO NLWVTVYYGVPVWKDAETTLFCASDAKAYETEKHNVWATHACVPTDPNPQEIHLENVTEEFNMWKNNMVEQMHEDIISLW DQSLKPCVKLTPLCVTLQCTNYTPNLTNDMRGELKNCSFNMTTELRDKKQKVYSLFYRLDVVQINENQGNRSNNSNKEYR LINCNTSACTQACPKVSFEPIPIHYCAPAGFAILKCKNKTFNGTGPCPNVSTVQCTHGIKPVVSTQLLLNGSLAEEEVII RSENITNNAKNILVQLNTPVQINCTRPNNNTVKSIRIGPGQAFYYTGDIIGDIRQAHCNVSKATWNETLGNVSKQLRKHF GNNTIIRFAQSSGGDLEVTTHSFNCGGEFFYCNTSGLFNSTWISNTSVQGSNSTGSNDSITLPCRIKQIINMWQRIGQCM YAPPIQGVIRCVSNITGLILTRDGGSTNSTTETFRPGGGDMRDNWRSELYKYKVVKIEPLGVAPTRCKRRVVGRRRRRR Q2N0S6 2-acetamido-2-deoxy-beta-D-glucopyranose 0.000221208 36 NAG singleParticle particle 2 8.0 150.0 NaCl sodium chloride 20.0 C4H11NO3 Tris

150 mM NaCl, 20 mM Tris-HCl, pH 8.0

Quantifoil R1.2/1.3 COPPER CARBON HOLEY 20.0 ETHANE 100 298 FEI VITROBOT MARK IV

The sample was purified and monodisperse.

FEI TALOS ARCTICA FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 0.6 1.2 GATAN K3 (6k x 4k) 60.0 1 36140 PHASE FLIPPING AND AMPLITUDE CORRECTION 4.3 FSC 0.143 CUT-OFF cryoSPARC 4 19541 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_72972.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 360 360 360 0 0 0 360 360 360 313.2 313.2 313.2 90.0 90.0 90.0 X Y Z -0.101852044 0.17778824 0.000291907 0.0073941373 0.87 0.87 0.87 0.0272 AUTHOR ::::EMDATABANK.org::::EMD-72972:::: emd_72972_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 360 360 360 0 0 0 360 360 360 313.2 313.2 313.2 90.0 90.0 90.0 X Y Z -0.3164618 0.3723919 0.0003190845 0.04052975 0.87 0.87 0.87 AUTHOR ::::EMDATABANK.org::::EMD-72972:::: emd_72972_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 360 360 360 0 0 0 360 360 360 313.2 313.2 313.2 90.0 90.0 90.0 X Y Z -0.32940182 0.32537687 0.0003247122 0.040576436 0.87 0.87 0.87 AUTHOR ::::EMDATABANK.org::::EMD-72972::::