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- PDB-9dd9: Cryo-EM structure of neutralizing human antibody D48 in complex w... -

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Basic information

Entry
Database: PDB / ID: 9dd9
TitleCryo-EM structure of neutralizing human antibody D48 in complex with HSV-1 glycoprotein B trimer gB-Ecto.516P.531E
Components
  • D48 heavy chain
  • D48 light chain
  • Glycoprotein B
KeywordsVIRAL PROTEIN / immune complex / neutralization / herpes fusogen
Function / homology
Function and homology information


host cell endosome / host cell Golgi apparatus / viral envelope / symbiont entry into host cell / virion attachment to host cell / host cell plasma membrane / membrane
Similarity search - Function
: / Herpesvirus Glycoprotein B / Herpesvirus Glycoprotein B, PH-like domain 1 / Herpesvirus Glycoprotein B, PH-like domain 2 / Herpesvirus Glycoprotein B, PH-like domain 2 superfamily / Herpesvirus Glycoprotein B ectodomain / Herpesvirus Glycoprotein B / Herpesvirus Glycoprotein B PH-like domain
Similarity search - Domain/homology
Biological speciesHuman alphaherpesvirus 1 (Herpes simplex virus type 1)
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.77 Å
AuthorsRoark, R.S. / Shapiro, L.S. / Kwong, P.D.
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: Herpes simplex virus 1 evades prefusion gB neutralization
Authors: Roark, R.S. / Shapiro, L. / Kwong, P.D.
History
DepositionAug 27, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 10, 2025Provider: repository / Type: Initial release
Revision 1.0Sep 10, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Sep 10, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Sep 10, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Sep 10, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Sep 10, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Glycoprotein B
B: Glycoprotein B
C: Glycoprotein B
H: D48 heavy chain
I: D48 heavy chain
J: D48 heavy chain
L: D48 light chain
M: D48 light chain
N: D48 light chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)353,18621
Polymers346,8809
Non-polymers6,30612
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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Protein , 1 types, 3 molecules ABC

#1: Protein Glycoprotein B


Mass: 90320.102 Da / Num. of mol.: 3 / Fragment: HSV-1 gB ectodomain / Mutation: H516P,L531E
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human alphaherpesvirus 1 (Herpes simplex virus type 1)
Gene: UL27, HHV1gp041 / Production host: Homo sapiens (human) / References: UniProt: A1Z0P7

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Antibody , 2 types, 6 molecules HIJLMN

#2: Antibody D48 heavy chain


Mass: 13590.410 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)
#3: Antibody D48 light chain


Mass: 11716.142 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)

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Sugars , 3 types, 12 molecules

#4: Polysaccharide alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D- ...alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[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: 1235.105 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-3[DManpa1-6]DManpa1-6[DManpa1-3]DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,7,6/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-1-2-3-3-3-3/a4-b1_b4-c1_c3-d1_c6-e1_e3-f1_e6-g1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{}[(6+1)][a-D-Manp]{[(3+1)][a-D-Manp]{}[(6+1)][a-D-Manp]{}}}}}LINUCSPDB-CARE
#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.: 3
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: 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.: 6 / Source method: obtained synthetically / 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
1D48 in complex with HSV-1 gB ectodomain trimerCOMPLEX#1-#30RECOMBINANT
2D48 Fab heavy chain, D48 Fab light chainCOMPLEX#2-#31RECOMBINANT
3HSV-1 gB ectodomain trimer gB-Ecto.516P.531ECOMPLEX#11RECOMBINANT
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
22Homo sapiens (human)9606
33Human alphaherpesvirus 1 (Herpes simplex virus type 1)10298
Source (recombinant)
IDEntity assembly-IDOrganismNcbi tax-ID
12Homo sapiens (human)9606
23Homo sapiens (human)9606
Buffer solutionpH: 7.5 / Details: PBS
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE / Humidity: 100 %

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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: OTHER
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 800 nm
Image recordingElectron dose: 58 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

EM softwareName: PHENIX / Category: model refinement
CTF correctionType: NONE
3D reconstructionResolution: 3.77 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 43574 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00420190
ELECTRON MICROSCOPYf_angle_d0.73527435
ELECTRON MICROSCOPYf_dihedral_angle_d6.2193157
ELECTRON MICROSCOPYf_chiral_restr0.0463084
ELECTRON MICROSCOPYf_plane_restr0.0055910

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