+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-25736 | |||||||||||||||
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Title | HIV-1 Envelope ApexGT3.N130 in complex with PG9 Fab | |||||||||||||||
Map data | ||||||||||||||||
Sample |
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Keywords | HIV / germline targeting vaccine / VIRAL PROTEIN-IMMUNE SYSTEM complex | |||||||||||||||
Biological species | Human immunodeficiency virus 1 / Homo sapiens (human) | |||||||||||||||
Method | single particle reconstruction / cryo EM / Resolution: 4.75 Å | |||||||||||||||
Authors | Berndsen ZT / Ward AB | |||||||||||||||
Funding support | United States, 4 items
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Citation | Journal: Immunity / Year: 2022 Title: Human immunoglobulin repertoire analysis guides design of vaccine priming immunogens targeting HIV V2-apex broadly neutralizing antibody precursors. Authors: Jordan R Willis / Zachary T Berndsen / Krystal M Ma / Jon M Steichen / Torben Schiffner / Elise Landais / Alessia Liguori / Oleksandr Kalyuzhniy / Joel D Allen / Sabyasachi Baboo / ...Authors: Jordan R Willis / Zachary T Berndsen / Krystal M Ma / Jon M Steichen / Torben Schiffner / Elise Landais / Alessia Liguori / Oleksandr Kalyuzhniy / Joel D Allen / Sabyasachi Baboo / Oluwarotimi Omorodion / Jolene K Diedrich / Xiaozhen Hu / Erik Georgeson / Nicole Phelps / Saman Eskandarzadeh / Bettina Groschel / Michael Kubitz / Yumiko Adachi / Tina-Marie Mullin / Nushin B Alavi / Samantha Falcone / Sunny Himansu / Andrea Carfi / Ian A Wilson / John R Yates / James C Paulson / Max Crispin / Andrew B Ward / William R Schief / Abstract: Broadly neutralizing antibodies (bnAbs) to the HIV envelope (Env) V2-apex region are important leads for HIV vaccine design. Most V2-apex bnAbs engage Env with an uncommonly long heavy-chain ...Broadly neutralizing antibodies (bnAbs) to the HIV envelope (Env) V2-apex region are important leads for HIV vaccine design. Most V2-apex bnAbs engage Env with an uncommonly long heavy-chain complementarity-determining region 3 (HCDR3), suggesting that the rarity of bnAb precursors poses a challenge for vaccine priming. We created precursor sequence definitions for V2-apex HCDR3-dependent bnAbs and searched for related precursors in human antibody heavy-chain ultradeep sequencing data from 14 HIV-unexposed donors. We found potential precursors in a majority of donors for only two long-HCDR3 V2-apex bnAbs, PCT64 and PG9, identifying these bnAbs as priority vaccine targets. We then engineered ApexGT Env trimers that bound inferred germlines for PCT64 and PG9 and had higher affinities for bnAbs, determined cryo-EM structures of ApexGT trimers complexed with inferred-germline and bnAb forms of PCT64 and PG9, and developed an mRNA-encoded cell-surface ApexGT trimer. These methods and immunogens have promise to assist HIV vaccine development. | |||||||||||||||
History |
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-Structure visualization
Supplemental images |
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-Downloads & links
-EMDB archive
Map data | emd_25736.map.gz | 78.8 MB | EMDB map data format | |
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Header (meta data) | emd-25736-v30.xml emd-25736.xml | 20.2 KB 20.2 KB | Display Display | EMDB header |
FSC (resolution estimation) | emd_25736_fsc.xml | 9.7 KB | Display | FSC data file |
Images | emd_25736.png | 68.7 KB | ||
Masks | emd_25736_msk_1.map | 83.7 MB | Mask map | |
Filedesc metadata | emd-25736.cif.gz | 6.7 KB | ||
Others | emd_25736_half_map_1.map.gz emd_25736_half_map_2.map.gz | 77.3 MB 77.3 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-25736 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-25736 | HTTPS FTP |
-Validation report
Summary document | emd_25736_validation.pdf.gz | 806 KB | Display | EMDB validaton report |
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Full document | emd_25736_full_validation.pdf.gz | 805.6 KB | Display | |
Data in XML | emd_25736_validation.xml.gz | 17.5 KB | Display | |
Data in CIF | emd_25736_validation.cif.gz | 22.3 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-25736 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-25736 | HTTPS FTP |
-Related structure data
Related structure data | 7t77MC 7t73C 7t74C 7t75C 7t76C 7ti6C C: citing same article (ref.) M: atomic model generated by this map |
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-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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-Map
File | Download / File: emd_25736.map.gz / Format: CCP4 / Size: 83.7 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.15 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Mask #1
File | emd_25736_msk_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #2
File | emd_25736_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_25736_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Sample components
-Entire : HIV-1 Envelope ApexGT3.N130 in complex with PG9 Fab
Entire | Name: HIV-1 Envelope ApexGT3.N130 in complex with PG9 Fab |
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Components |
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-Supramolecule #1: HIV-1 Envelope ApexGT3.N130 in complex with PG9 Fab
Supramolecule | Name: HIV-1 Envelope ApexGT3.N130 in complex with PG9 Fab / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#4 |
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Source (natural) | Organism: Human immunodeficiency virus 1 |
-Macromolecule #1: HIV Envelope ApexGT3.N130 gp120
Macromolecule | Name: HIV Envelope ApexGT3.N130 gp120 / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO |
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Source (natural) | Organism: Human immunodeficiency virus 1 |
Molecular weight | Theoretical: 56.477449 KDa |
Recombinant expression | Organism: Homo sapiens (human) |
Sequence | String: MGILPSPGMP ALLSLVSLLS VLLMGCVAET GAENLWVTVY YGVPVWKDAE TTLFCASDAK AYETEKHNVW ATHACVPTDP NPQEIHLEN VTEEFNMWKN NMVEQMHEDI ISLWDQSLKP CVKLTPLCVT LNCTNVTNNI TDDMRGELKN CSFNATTELR N KRVKRYSL ...String: MGILPSPGMP ALLSLVSLLS VLLMGCVAET GAENLWVTVY YGVPVWKDAE TTLFCASDAK AYETEKHNVW ATHACVPTDP NPQEIHLEN VTEEFNMWKN NMVEQMHEDI ISLWDQSLKP CVKLTPLCVT LNCTNVTNNI TDDMRGELKN CSFNATTELR N KRVKRYSL FYRLDIVQID SNRTKSHYRL INCNTSAITQ ACPKVSFEPI PIHYCAPAGF AILKCKDKKF NGTGPCPSVS TV QCTHGIK PVVSTQLLLN GSLAEEEVII RSENITNNAK NILVQLNTPV QINCTRPNNN TVKSIRIGPG QAFYYTGDII GDI RQAHCN VSKATWNETL GKVVKQLRKH FGNNTIIRFA QSSGGDLEVT THSFNCGGEF FYCNTSGLFN STWISNTSVQ GSNS TGSND SITLPCRIKQ IINMWQRIGQ AMYAPPIQGV IRCVSNITGL ILTRDGGSTN STTETFRPGG GDMRDNWRSE LYKYK VVKI EPLGVAPTRC KRRVVGRRRR RR |
-Macromolecule #2: HIV Envelope ApexGT3.N130 gp41
Macromolecule | Name: HIV Envelope ApexGT3.N130 gp41 / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO |
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Source (natural) | Organism: Human immunodeficiency virus 1 |
Molecular weight | Theoretical: 18.250541 KDa |
Recombinant expression | Organism: Homo sapiens (human) |
Sequence | String: AVGIGAVSLG FLGAAGSTMG AASMTLTVQA RNLLSGIVQQ QSNLLRAPEP QQHLLKDTHW GIKQLQARVL AVEHYLRDQQ LLGIWGCSG KLICCTNVPW NSSWSNRNLS EIWDNMTWLQ WDKEISNYTQ IIYGLLEESQ NQQEKNEQDL LALDGTKHHH H HH |
-Macromolecule #3: PG9 Fab Heavy Chain
Macromolecule | Name: PG9 Fab Heavy Chain / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: Homo sapiens (human) |
Molecular weight | Theoretical: 27.210203 KDa |
Recombinant expression | Organism: Homo sapiens (human) |
Sequence | String: QRLVESGGGV VQPGSSLRLS CAASGFDFSR QGMHWVRQAP GQGLEWVAFI KYDGSEKYHA DSVWGRLSIS RDNSKDTLYL QMNSLRVED TATYFCVREA GGPDYRNGYN (TYS)(TYS)DFYDGYYN YHYMDVWGKG TTVTVSSAST KGPSVFPLAP SSK STSGGT ...String: QRLVESGGGV VQPGSSLRLS CAASGFDFSR QGMHWVRQAP GQGLEWVAFI KYDGSEKYHA DSVWGRLSIS RDNSKDTLYL QMNSLRVED TATYFCVREA GGPDYRNGYN (TYS)(TYS)DFYDGYYN YHYMDVWGKG TTVTVSSAST KGPSVFPLAP SSK STSGGT AALGCLVKDY FPEPVTVSWN SGALTSGVHT FPAVLQSSGL YSLSSVVTVP SSSLGTQTYI CNVNHKPSNT KVDK KVEPK SCDKGLEVLF Q |
-Macromolecule #4: PG9 Fab Light Chain
Macromolecule | Name: PG9 Fab Light Chain / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: Homo sapiens (human) |
Molecular weight | Theoretical: 22.837256 KDa |
Recombinant expression | Organism: Homo sapiens (human) |
Sequence | String: QSALTQPASV SGSPGQSITI SCQGTSNDVG GYESVSWYQQ HPGKAPKVVI YDVSKRPSGV SNRFSGSKSG NTASLTISGL QAEDEGDYY CKSLTSTRRR VFGTGTKLTV LGQPKAAPSV TLFPPSSEEL QANKATLVCL ISDFYPGAVT VAWKADSSPV K AGVETTTP ...String: QSALTQPASV SGSPGQSITI SCQGTSNDVG GYESVSWYQQ HPGKAPKVVI YDVSKRPSGV SNRFSGSKSG NTASLTISGL QAEDEGDYY CKSLTSTRRR VFGTGTKLTV LGQPKAAPSV TLFPPSSEEL QANKATLVCL ISDFYPGAVT VAWKADSSPV K AGVETTTP SKQSNNKYAA SSYLSLTPEQ WKSHKSYSCQ VTHEGSTVEK TVAPTECS |
-Macromolecule #10: 2-acetamido-2-deoxy-beta-D-glucopyranose
Macromolecule | Name: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 10 / Number of copies: 32 / Formula: NAG |
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Molecular weight | Theoretical: 221.208 Da |
Chemical component information | ChemComp-NAG: |
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Buffer | pH: 7.4 |
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Vitrification | Cryogen name: ETHANE |
-Electron microscopy
Microscope | FEI TALOS ARCTICA |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average electron dose: 50.0 e/Å2 |
Electron beam | Acceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD |
Experimental equipment | Model: Talos Arctica / Image courtesy: FEI Company |