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- EMDB-72855: Cryo-EM structure of triple-bound FDG antibody VRC49.01 in comple... -

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Basic information

Entry
Database: EMDB / ID: EMD-72855
TitleCryo-EM structure of triple-bound FDG antibody VRC49.01 in complex with HIV-1 Env BG505 DS-SOSIP trimer
Map datasharpened map
Sample
  • Complex: VRC49.01 in complex with HIV-1 Env BG505 DS-SOSIP trimer
    • Protein or peptide: BG505 SOSIP.664 gp41
    • Protein or peptide: BG505 SOSIP.664 gp120
    • Protein or peptide: VRC49.01 Heavy
    • Protein or peptide: VRC49.01 Light
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsHIV-1 / SOSIP / Vaccine / VIRAL PROTEIN-IMMUNE SYSTEM complex / FDG / V3 / glycan / IMMUNE SYSTEM
Function / homology
Function and homology information


positive regulation of plasma membrane raft polarization / symbiont-mediated perturbation of host defense response / 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 ...positive regulation of plasma membrane raft polarization / symbiont-mediated perturbation of host defense response / 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 / membrane / identical protein binding
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 / Envelope glycoprotein gp160
Similarity search - Component
Biological speciesHomo sapiens (human) / Human immunodeficiency virus 1
Methodsingle particle reconstruction / cryo EM / Resolution: 3.81 Å
AuthorsGorman J / Kwong PD
Funding support United States, 2 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM103310 United States
Simons FoundationSF349247 United States
CitationJournal: To be published
Title: Cryo-EM structure of VRC49.01 in complex with HIV-1 Env BG505 DS-SOSIP trimer
Authors: Gorman J / Kwong PD
History
DepositionSep 24, 2025-
Header (metadata) releaseAug 5, 2026-
Map releaseAug 5, 2026-
UpdateAug 5, 2026-
Current statusAug 5, 2026Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_72855.png

Downloads & links

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Map

FileDownload / File: emd_72855.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotationsharpened map
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.08 Å/pix.
x 400 pix.
= 433.2 Å		1.08 Å/pix.
x 400 pix.
= 433.2 Å		1.08 Å/pix.
x 400 pix.
= 433.2 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.083 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.1
Minimum - Maximum-0.1440841 - 0.49649796
Average (Standard dev.)0.0022459703 (±0.0139319)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions400400400
Spacing400400400
CellA=B=C: 433.19998 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_72855_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: unsharpened map

Fileemd_72855_additional_1.map
Annotationunsharpened map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: half map A

Fileemd_72855_half_map_1.map
Annotationhalf map A
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: half map B

Fileemd_72855_half_map_2.map
Annotationhalf map B
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : VRC49.01 in complex with HIV-1 Env BG505 DS-SOSIP trimer

EntireName: VRC49.01 in complex with HIV-1 Env BG505 DS-SOSIP trimer
Components
  • Complex: VRC49.01 in complex with HIV-1 Env BG505 DS-SOSIP trimer
    • Protein or peptide: BG505 SOSIP.664 gp41
    • Protein or peptide: BG505 SOSIP.664 gp120
    • Protein or peptide: VRC49.01 Heavy
    • Protein or peptide: VRC49.01 Light
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: VRC49.01 in complex with HIV-1 Env BG505 DS-SOSIP trimer

SupramoleculeName: VRC49.01 in complex with HIV-1 Env BG505 DS-SOSIP trimer
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#4
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: BG505 SOSIP.664 gp41

MacromoleculeName: BG505 SOSIP.664 gp41 / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Human immunodeficiency virus 1
Molecular weightTheoretical: 17.146482 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
AVGIGAVFLG FLGAAGSTMG AASMTLTVQA RNLLSGIVQQ QSNLLRAPEA QQHLLKLTVW GIKQLQARVL AVERYLRDQQ LLGIWGCSG KLICCTNVPW NSSWSNRNLS EIWDNMTWLQ WDKEISNYTQ IIYGLLEESQ NQQEKNEQDL LALD

UniProtKB: Envelope glycoprotein gp160

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Macromolecule #2: BG505 SOSIP.664 gp120

MacromoleculeName: BG505 SOSIP.664 gp120 / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Human immunodeficiency virus 1
Molecular weightTheoretical: 53.929129 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: AENLWVTVYY GVPVWKDAET TLFCASDAKA YETEKHNVWA THACVPTDPN PQEIHLENVT EEFNMWKNNM VEQMHTDIIS LWDQSLKPC VKLTPLCVTL QCTNVTNNIT DDMRGELKNC SFNMTTELRD KKQKVYSLFY RLDVVQINEN QGNRSNNSNK E YRLINCNT ...String:
AENLWVTVYY GVPVWKDAET TLFCASDAKA YETEKHNVWA THACVPTDPN PQEIHLENVT EEFNMWKNNM VEQMHTDIIS LWDQSLKPC VKLTPLCVTL QCTNVTNNIT DDMRGELKNC SFNMTTELRD KKQKVYSLFY RLDVVQINEN QGNRSNNSNK E YRLINCNT SACTQACPKV SFEPIPIHYC APAGFAILKC KDKKFNGTGP CPSVSTVQCT HGIKPVVSTQ LLLNGSLAEE EV MIRSENI TNNAKNILVQ FNTPVQINCT RPNNNTRKSI RIGPGQAFYA TGDIIGDIRQ AHCNVSKATW NETLGKVVKQ LRK HFGNNT IIRFANSSGG DLEVTTHSFN CGGEFFYCNT SGLFNSTWIS NTSVQGSNST GSNDSITLPC RIKQIINMWQ RIGQ CMYAP PIQGVIRCVS NITGLILTRD GGSTNSTTET FRPGGGDMRD NWRSELYKYK VVKIEPLGVA PTRCKRRVVG RRRRR

UniProtKB: Envelope glycoprotein gp160

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Macromolecule #3: VRC49.01 Heavy

MacromoleculeName: VRC49.01 Heavy / type: protein_or_peptide / ID: 3 / Number of copies: 6 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 13.690306 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
QVHLVESGGG LAQPGGSLRL SCTASGFVFT DYDMHWVRLT TGRRLQWVSS VGTRSDTFYA VSVKGRFSIS RDNTRNSVSL QMNNLRPGD TGIYFCTRGP YCNCHACVVD DAFDLWGQGT TVIVSS

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Macromolecule #4: VRC49.01 Light

MacromoleculeName: VRC49.01 Light / type: protein_or_peptide / ID: 4 / Number of copies: 6 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.691059 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
DIQMTQSPSS ISASLGDRVS ITCRATQDIG NRLAWFQQRP GEIPKRLIYA GSTLQNGVPS RFGASGSGTQ FTLTINSLQP EDSAIYFCL QHLNYPRTFG QGTTVQVK

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Macromolecule #9: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 9 / Number of copies: 33 / 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

Concentration2 mg/mL
BufferpH: 7.4 / Details: PBS
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Number grids imaged: 1 / Average exposure time: 2.0 sec. / Average electron dose: 51.19 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.5 µm / Nominal defocus min: 0.8 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

6vi0

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.81 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 16929
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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