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- PDB-8tl2: CRYO-EM STRUCTURE OF HIV-1 BG505DS-SOSIP.664 ENV TRIMER BOUND TO ... -

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Basic information

Entry
Database: PDB / ID: 8tl2
TitleCRYO-EM STRUCTURE OF HIV-1 BG505DS-SOSIP.664 ENV TRIMER BOUND TO DJ85-c.01 FAB
Components
  • (BG505 DS-SOSIP ...) x 2
  • (DJ85-c.01 FAB ...) x 2
KeywordsVIRAL PROTEIN/IMMUNE SYSTEM / broadly neutralizing antibody / fusion peptide / HIV-1 / glycoprotein / viral protein / FP-targeting vaccines / VIRAL PROTEIN-IMMUNE SYSTEM complex
Function / homology
Function and homology information


positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / positive regulation of establishment of T cell polarity / host cell endosome membrane / clathrin-dependent endocytosis of virus by host cell / viral protein processing / fusion of virus membrane with host plasma membrane / virus-mediated perturbation of host defense response / fusion of virus membrane with host endosome membrane / viral envelope ...positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / positive regulation of establishment of T cell polarity / host cell endosome membrane / clathrin-dependent endocytosis of virus by host cell / viral protein processing / fusion of virus membrane with host plasma membrane / virus-mediated perturbation of host defense response / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / apoptotic process / host cell plasma membrane / structural molecule activity / virion membrane / plasma 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 speciesHuman immunodeficiency virus 1
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsPletnev, S. / Hoyt, F. / Fischer, E. / Kwong, P.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID) United States
CitationJournal: To Be Published
Title: Broad and potent HIV-1 neutralization in fusion peptide-primed SHIV-boosted macaques.
Authors: Wang, H.
History
DepositionJul 26, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 28, 2024Provider: repository / Type: Initial release
Revision 1.1Nov 6, 2024Group: Data collection / Structure summary
Category: em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _em_admin.last_update / _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: BG505 DS-SOSIP Surface protein gp120
B: BG505 DS-SOSIP Transmembrane protein gp41
C: BG505 DS-SOSIP Surface protein gp120
D: BG505 DS-SOSIP Transmembrane protein gp41
E: BG505 DS-SOSIP Surface protein gp120
F: BG505 DS-SOSIP Transmembrane protein gp41
G: DJ85-c.01 FAB HEAVY CHAIN
H: DJ85-c.01 FAB LIGHT CHAIN
K: DJ85-c.01 FAB HEAVY CHAIN
L: DJ85-c.01 FAB LIGHT CHAIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)329,65555
Polymers311,65910
Non-polymers17,99645
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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BG505 DS-SOSIP ... , 2 types, 6 molecules ACEBDF

#1: Protein BG505 DS-SOSIP Surface protein gp120 / Env polyprotein


Mass: 54086.324 Da / Num. of mol.: 3 / Mutation: BG505 DS-SOSIP mutations
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human immunodeficiency virus 1 / Gene: env / Production host: Homo sapiens (human) / References: UniProt: Q2N0S5
#2: Protein BG505 DS-SOSIP Transmembrane protein gp41 / Env polyprotein


Mass: 17146.482 Da / Num. of mol.: 3 / Mutation: BG505 DS-SOSIP mutations
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human immunodeficiency virus 1 / Gene: env / Production host: Homo sapiens (human) / References: UniProt: Q2N0S5

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Antibody , 2 types, 4 molecules GKHL

#3: Antibody DJ85-c.01 FAB HEAVY CHAIN


Mass: 25551.594 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)
#4: Antibody DJ85-c.01 FAB LIGHT CHAIN


Mass: 23428.885 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)

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Sugars , 4 types, 45 molecules

#5: Polysaccharide...
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 24
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}LINUCSPDB-CARE
#6: Polysaccharide beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 586.542 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5]/1-1-2/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}}LINUCSPDB-CARE
#7: Polysaccharide alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 910.823 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-2DManpa1-3DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,5,4/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-1-2-3-3/a4-b1_b4-c1_c3-d1_d2-e1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{[(2+1)][a-D-Manp]{}}}}}LINUCSPDB-CARE
#8: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 15
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Details

Has ligand of interestN
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

Component
IDNameTypeEntity IDParent-IDSource
1BG505 DS-SOSIP DJ85-c.01 FAB COMPLEXCOMPLEX#1-#40MULTIPLE SOURCES
2BG505 DS-SOSIPCOMPLEX#1-#21RECOMBINANT
3DJ85-c.01 FABCOMPLEX#3-#41RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
22Human immunodeficiency virus 111676
33Homo sapiens (human)9606
Source (recombinant)
IDEntity assembly-IDOrganismNcbi tax-IDCell
22Homo sapiens (human)9606Expi293
33Homo sapiens (human)9606Expi293
Details of virusEmpty: YES / Enveloped: YES / Isolate: OTHER / Type: VIRUS-LIKE PARTICLE
Buffer solutionpH: 7.4
SpecimenConc.: 4.3 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid mesh size: 200 divisions/in. / Grid type: Quantifoil R2/2
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 95 % / Chamber temperature: 277 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 750 nm / Cs: 2.7 mm
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingElectron dose: 45.4 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 16387

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Processing

EM software
IDNameVersionCategory
1cryoSPARC3.3particle selection
4cryoSPARC3.3CTF correction
7UCSF Chimera1.14model fitting
9PHENIX1.2model refinement
10cryoSPARC3.3initial Euler assignment
11cryoSPARC3.3final Euler assignment
12cryoSPARC3.3classification
13cryoSPARC3.33D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 1323602
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 707189 / Num. of class averages: 111 / Symmetry type: POINT
Atomic model buildingProtocol: RIGID BODY FIT / Space: REAL
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00318683
ELECTRON MICROSCOPYf_angle_d0.58825374
ELECTRON MICROSCOPYf_dihedral_angle_d4.812898
ELECTRON MICROSCOPYf_chiral_restr0.0433109
ELECTRON MICROSCOPYf_plane_restr0.0033121

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