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- EMDB-14786: AMC009 SOSIPv5.2 in complex with ACS117 Fab -

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Entry
Database: EMDB / ID: EMD-14786
TitleAMC009 SOSIPv5.2 in complex with ACS117 Fab
Map dataAMC009 SOSIPv5.2 in complex with ACS117 Fab
Sample
  • Complex: AMC009 SOSIPv5.2 in complex with ACS117 Fab
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / negative staining / Resolution: 25.0 Å
Authorsvan Schooten J / Ward A
Funding support United States, 3 items
OrganizationGrant numberCountry
Bill & Melinda Gates FoundationOPP1115782 United States
Bill & Melinda Gates FoundationINV-002916 United States
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)AI110657 United States
CitationJournal: PLoS Pathog / Year: 2022
Title: Complementary antibody lineages achieve neutralization breadth in an HIV-1 infected elite neutralizer.
Authors: Jelle van Schooten / Anna Schorcht / Elinaz Farokhi / Jeffrey C Umotoy / Hongmei Gao / Tom L G M van den Kerkhof / Jessica Dorning / Tim G Rijkhold Meesters / Patricia van der Woude / Judith ...Authors: Jelle van Schooten / Anna Schorcht / Elinaz Farokhi / Jeffrey C Umotoy / Hongmei Gao / Tom L G M van den Kerkhof / Jessica Dorning / Tim G Rijkhold Meesters / Patricia van der Woude / Judith A Burger / Tom Bijl / Riham Ghalaiyini / Alba Torrents de la Peña / Hannah L Turner / Celia C Labranche / Robyn L Stanfield / Devin Sok / Hanneke Schuitemaker / David C Montefiori / Dennis R Burton / Gabriel Ozorowski / Michael S Seaman / Ian A Wilson / Rogier W Sanders / Andrew B Ward / Marit J van Gils /
Abstract: Broadly neutralizing antibodies (bNAbs) have remarkable breadth and potency against most HIV-1 subtypes and are able to prevent HIV-1 infection in animal models. However, bNAbs are extremely ...Broadly neutralizing antibodies (bNAbs) have remarkable breadth and potency against most HIV-1 subtypes and are able to prevent HIV-1 infection in animal models. However, bNAbs are extremely difficult to induce by vaccination. Defining the developmental pathways towards neutralization breadth can assist in the design of strategies to elicit protective bNAb responses by vaccination. Here, HIV-1 envelope glycoproteins (Env)-specific IgG+ B cells were isolated at various time points post infection from an HIV-1 infected elite neutralizer to obtain monoclonal antibodies (mAbs). Multiple antibody lineages were isolated targeting distinct epitopes on Env, including the gp120-gp41 interface, CD4-binding site, silent face and V3 region. The mAbs each neutralized a diverse set of HIV-1 strains from different clades indicating that the patient's remarkable serum breadth and potency might have been the result of a polyclonal mixture rather than a single bNAb lineage. High-resolution cryo-electron microscopy structures of the neutralizing mAbs (NAbs) in complex with an Env trimer generated from the same individual revealed that the NAbs used multiple strategies to neutralize the virus; blocking the receptor binding site, binding to HIV-1 Env N-linked glycans, and disassembly of the trimer. These results show that diverse NAbs can complement each other to achieve a broad and potent neutralizing serum response in HIV-1 infected individuals. Hence, the induction of combinations of moderately broad NAbs might be a viable vaccine strategy to protect against a wide range of circulating HIV-1 viruses.
History
DepositionApr 15, 2022-
Header (metadata) releaseNov 2, 2022-
Map releaseNov 2, 2022-
UpdateNov 30, 2022-
Current statusNov 30, 2022Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_14786.png

Downloads & links

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Map

FileDownload / File: emd_14786.map.gz / Format: CCP4 / Size: 27 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationAMC009 SOSIPv5.2 in complex with ACS117 Fab
Voxel sizeX=Y=Z: 1.77 Å
Density
Contour LevelBy AUTHOR: 0.015
Minimum - Maximum-0.04174458 - 0.069981426
Average (Standard dev.)0.00020199615 (±0.004421837)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions192192192
Spacing192192192
CellA=B=C: 339.84 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: AMC009 SOSIPv5.2 in complex with ACS117 Fab half map 1

Fileemd_14786_half_map_1.map
AnnotationAMC009 SOSIPv5.2 in complex with ACS117 Fab half map 1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: AMC009 SOSIPv5.2 in complex with ACS117 Fab half map 2

Fileemd_14786_half_map_2.map
AnnotationAMC009 SOSIPv5.2 in complex with ACS117 Fab half map 2
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : AMC009 SOSIPv5.2 in complex with ACS117 Fab

EntireName: AMC009 SOSIPv5.2 in complex with ACS117 Fab
Components
  • Complex: AMC009 SOSIPv5.2 in complex with ACS117 Fab

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Supramolecule #1: AMC009 SOSIPv5.2 in complex with ACS117 Fab

SupramoleculeName: AMC009 SOSIPv5.2 in complex with ACS117 Fab / type: complex / Chimera: Yes / ID: 1 / Parent: 0
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Homo sapiens (human)

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Experimental details

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Structure determination

Methodnegative staining
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.4
StainingType: NEGATIVE / Material: Uranyl Formate

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Electron microscopy

MicroscopeFEI TECNAI F20
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 1.5 µm / Nominal defocus min: 1.0 µm
Image recordingFilm or detector model: TVIPS TEMCAM-F416 (4k x 4k) / Average electron dose: 25.0 e/Å2
Experimental equipment
Model: Tecnai F20 / Image courtesy: FEI Company

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Image processing

Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionResolution.type: BY AUTHOR / Resolution: 25.0 Å / Resolution method: FSC 0.5 CUT-OFF / Software - Name: RELION (ver. 3.0) / Number images used: 65308

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