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- EMDB-44733: Cryo-EM structure of rhesus antibody V033-a.01 in complex with HI... -

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Basic information

Entry
Database: EMDB / ID: EMD-44733
TitleCryo-EM structure of rhesus antibody V033-a.01 in complex with HIV-1 Env BG505 DS-SOSIP
Map data
Sample
  • Complex: Complex of V033-a.01 with HIV-1 BG505 envelope trimer
    • Protein or peptide: Envelope glycoprotein Gp120
    • Protein or peptide: Envelope glycoprotein Gp41
    • Protein or peptide: V033-a.01 heavy chain
    • Protein or peptide: V033-a.01 light chain
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsNeutralizing antibody / HIV-1 V2 apex / SHIV-elicited / Viral protein / IMMUNE SYSTEM / VIRAL PROTEIN-IMMUNE SYSTEM complex
Function / homology
Function and homology information


positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / host cell endosome membrane / clathrin-dependent endocytosis of virus by host cell / viral protein processing / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / host cell plasma membrane ...positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / host cell endosome membrane / clathrin-dependent endocytosis of virus by host cell / viral protein processing / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / host cell plasma membrane / virion membrane / structural molecule activity / identical protein binding / membrane
Similarity search - Function
Envelope glycoprotein Gp160 / Retroviral envelope protein / Retroviral envelope protein GP41-like / Gp120 core superfamily / Envelope glycoprotein GP120 / Human immunodeficiency virus 1, envelope glycoprotein Gp120
Similarity search - Domain/homology
Envelope glycoprotein gp160
Similarity search - Component
Biological speciesMacaca mulatta (Rhesus monkey) / Human immunodeficiency virus 1
Methodsingle particle reconstruction / cryo EM / Resolution: 3.17 Å
AuthorsRoark RS / Shapiro L / Kwong PD
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID) United States
CitationJournal: J Exp Med / Year: 2025
Title: Structural and genetic basis of HIV-1 envelope V2 apex recognition by rhesus broadly neutralizing antibodies.
Authors: Ryan S Roark / Rumi Habib / Jason Gorman / Hui Li / Andrew Jesse Connell / Mattia Bonsignori / Yicheng Guo / Michael P Hogarty / Adam S Olia / Kirsten J Sowers / Baoshan Zhang / Frederic ...Authors: Ryan S Roark / Rumi Habib / Jason Gorman / Hui Li / Andrew Jesse Connell / Mattia Bonsignori / Yicheng Guo / Michael P Hogarty / Adam S Olia / Kirsten J Sowers / Baoshan Zhang / Frederic Bibollet-Ruche / Tatsiana Bylund / Sean Callaghan / John W Carey / Gabriele Cerutti / Darcy R Harris / Wanting He / Emily Lewis / Tracy Liu / Rosemarie D Mason / Yujie Qiao / Younghoon Park / Juliette M Rando / Ajay Singh / Jeremy J Wolff / Q Paula Lei / Mark K Louder / Raiees Andrabi / Nicole A Doria-Rose / Kevin O Saunders / Michael S Seaman / Barton F Haynes / Daniel W Kulp / John R Mascola / Mario Roederer / Theodore C Pierson / Zizhang Sheng / Beatrice H Hahn / George M Shaw / Peter D Kwong / Lawrence Shapiro /
Abstract: Broadly neutralizing antibodies targeting the V2 apex of HIV-1 envelope are desired as vaccine design templates, but few have been described. Here, we report 11 lineages of V2 apex-neutralizing ...Broadly neutralizing antibodies targeting the V2 apex of HIV-1 envelope are desired as vaccine design templates, but few have been described. Here, we report 11 lineages of V2 apex-neutralizing antibodies from simian-human immunodeficiency virus (SHIV)-infected rhesus macaques and determine cryo-EM structures for 9. A single V2 apex-neutralizing lineage accounted for cross-clade breadth in most macaques, and somatic hypermutation relative to breadth was generally low, exemplified by antibody V033-a.01 with <5% nucleotide mutation and 37% breadth (208-strain panel). Envelope complex structures revealed eight different antibody classes (one multi-donor) and the complete repertoire of all five possible recognition topologies, recapitulating canonical human modes of apex insertion and C-strand hydrogen bonding. Despite this diversity in recognition, all rhesus-V2 apex antibodies were derived from reading frame two of the DH3-15*01 gene. Collectively, these results define-in rhesus-the structural and genetic basis of HIV-1 V2 apex recognition and demonstrate unprecedented structural plasticity of a highly selected immunogenetic element.
History
DepositionMay 2, 2024-
Header (metadata) releaseMay 7, 2025-
Map releaseMay 7, 2025-
UpdateOct 1, 2025-
Current statusOct 1, 2025Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_44733.png

Downloads & links

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Map

FileDownload / File: emd_44733.map.gz / Format: CCP4 / Size: 216 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 384 pix.
= 318.72 Å		0.83 Å/pix.
x 384 pix.
= 318.72 Å		0.83 Å/pix.
x 384 pix.
= 318.72 Å

Surface

Projections

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Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.83 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.1
Minimum - Maximum-0.21661194 - 0.51838785
Average (Standard dev.)0.0009402439 (±0.014077909)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions384384384
Spacing384384384
CellA=B=C: 318.72 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_44733_half_map_1.map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_44733_half_map_2.map
Projections & Slices
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Histogram

Histogram (log scale)

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Sample components

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Entire : Complex of V033-a.01 with HIV-1 BG505 envelope trimer

EntireName: Complex of V033-a.01 with HIV-1 BG505 envelope trimer
Components
  • Complex: Complex of V033-a.01 with HIV-1 BG505 envelope trimer
    • Protein or peptide: Envelope glycoprotein Gp120
    • Protein or peptide: Envelope glycoprotein Gp41
    • Protein or peptide: V033-a.01 heavy chain
    • Protein or peptide: V033-a.01 light chain
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: Complex of V033-a.01 with HIV-1 BG505 envelope trimer

SupramoleculeName: Complex of V033-a.01 with HIV-1 BG505 envelope trimer / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#4
Source (natural)Organism: Macaca mulatta (Rhesus monkey)

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Macromolecule #1: Envelope glycoprotein Gp120

MacromoleculeName: Envelope glycoprotein Gp120 / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Human immunodeficiency virus 1
Molecular weightTheoretical: 52.383305 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: NLWVTVYYGV PVWKDAETTL FCASDAKAYE TEKHNVWATH ACVPTDPNPQ EIHLENVTEE FNMWKNNMVE QMHTDIISLW DQSLKPCVK LTPLCVTLQC TNVTNNITDG ELKNCSFNMT TELRDKKQKV YSLFYRLDVV QINENQGNRS NNSNKEYRLI N CNTSACTQ ...String:
NLWVTVYYGV PVWKDAETTL FCASDAKAYE TEKHNVWATH ACVPTDPNPQ EIHLENVTEE FNMWKNNMVE QMHTDIISLW DQSLKPCVK LTPLCVTLQC TNVTNNITDG ELKNCSFNMT TELRDKKQKV YSLFYRLDVV QINENQGNRS NNSNKEYRLI N CNTSACTQ ACPKVSFEPI PIHYCAPAGF AILKCKDKKF NGTGPCPSVS TVQCTHGIKP VVSTQLLLNG SLAEEEVMIR SE NITNNAK NILVQFNTPV QINCTRPNNN TRKSIRIGPG QAFYATGDII GDIRQAHCNV SKATWNETLG KVVKQLRKHF GNN TIIRFA NSSGGDLEVT THSFNCGGEF FYCNTSGLFN STWISNTSVQ GSNSTGSNDS ITLPCRIKQI INMWQRIGQC MYAP PIQGV IRCVSNITGL ILTRDGGSTN STTETFRPGG GDMRDNWRSE LYKYKVVKIE PLGVAPTRCK RRV

UniProtKB: Envelope glycoprotein gp160

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Macromolecule #2: Envelope glycoprotein Gp41

MacromoleculeName: Envelope glycoprotein Gp41 / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Human immunodeficiency virus 1
Molecular weightTheoretical: 16.44767 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
LGFLGAAGST MGAASMTLTV QARNLLSGIV QQQSNLLRAI EAQQHLLKLT VWGIKQLQAR VLAVERYLRD QQLLGIWGCS GKLICCTNV PWNSSWSNRN LSEIWDNMTW LQWDKEISNY TQIIYGLLEE SQNQQEKNEQ DLLALD

UniProtKB: Envelope glycoprotein gp160

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Macromolecule #3: V033-a.01 heavy chain

MacromoleculeName: V033-a.01 heavy chain / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Macaca mulatta (Rhesus monkey)
Molecular weightTheoretical: 14.420991 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
EVQLVESGGG LAKPGGSLRL SCAASGFTFS DFWMNWVRQT PGKGLEWISG INSGGGYTFY ADSVKGRFTI SRDNSKNTLS LQMNSLRAE DTAVYFCARV DGDDYGYFDT VPGDSKKYYF KHWGPGVLVT VSS

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Macromolecule #4: V033-a.01 light chain

MacromoleculeName: V033-a.01 light chain / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Macaca mulatta (Rhesus monkey)
Molecular weightTheoretical: 11.641878 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
DIQMTQSPSS LSASVGDKVT ITCQASQSIN TWLAWFQRKP GKAPKSLIYK ASSLESGVPS RFSGSGSGTD FTLTINSLQP EDFATYFCQ QYYSAPYSFG QGTKLEIN

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Macromolecule #11: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 11 / Number of copies: 18 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.4
VitrificationCryogen name: ETHANE / Chamber humidity: 100 %

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 58.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.8 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: NONE
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

4zmj

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.17 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 123355
Initial angle assignmentType: NOT APPLICABLE
Final angle assignmentType: NOT APPLICABLE

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