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- PDB-7k8m: Structure of the SARS-CoV-2 receptor binding domain in complex wi... -

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Basic information

Entry
Database: PDB / ID: 7k8m
TitleStructure of the SARS-CoV-2 receptor binding domain in complex with the human neutralizing antibody Fab fragment, C102
Components
  • C102 Fab Heavy Chain
  • C102 Fab Light Chain
  • Spike glycoproteinPeplomer
KeywordsVIRAL PROTEIN/IMMUNE SYSTEM / Human Neutralizing Antibody / SARS-CoV-2 / Receptor Binding Domain / COVID-19 / VIRAL PROTEIN-IMMUNE SYSTEM complex
Function / homology
Function and homology information


suppression by virus of host tetherin activity / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / receptor-mediated virion attachment to host cell / endoplasmic reticulum-Golgi intermediate compartment / viral translation / host cell surface receptor binding / endocytosis involved in viral entry into host cell / endocytic vesicle membrane / fusion of virus membrane with host plasma membrane / viral protein processing ...suppression by virus of host tetherin activity / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / receptor-mediated virion attachment to host cell / endoplasmic reticulum-Golgi intermediate compartment / viral translation / host cell surface receptor binding / endocytosis involved in viral entry into host cell / endocytic vesicle membrane / fusion of virus membrane with host plasma membrane / viral protein processing / suppression by virus of host type I interferon-mediated signaling pathway / fusion of virus membrane with host endosome membrane / viral envelope / viral entry into host cell / go:0009405: / endoplasmic reticulum lumen / host cell plasma membrane / virion membrane / integral component of membrane / identical protein binding
Spike receptor binding domain superfamily, coronavirus / Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-like / Spike glycoprotein S2 superfamily, coronavirus / Coronavirus spike glycoprotein S1, C-terminal / Spike glycoprotein, betacoronavirus / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Spike glycoprotein S2, coronavirus / Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2 / in:ipr027400: / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like
Spike glycoprotein
Biological speciesHomo sapiens (human)
Severe acute respiratory syndrome coronavirus 2
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.2 Å
AuthorsJette, C.A. / Barnes, C.O. / Bjorkman, P.J.
Funding support United States, 2items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)P01-AI138938-S1 United States
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)P50 AI150464-13 United States
Validation Report
SummaryFull reportAbout validation report
History
DepositionSep 27, 2020Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 21, 2020Provider: repository / Type: Initial release
Revision 1.1Oct 28, 2020Group: Structure summary / Category: struct / Item: _struct.title
Revision 1.2Jan 13, 2021Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 1.3Jan 20, 2021Group: Database references / Source and taxonomy / Structure summary
Category: entity / entity_name_com ...entity / entity_name_com / entity_src_gen / struct_ref / struct_ref_seq
Item: _entity.pdbx_description / _entity_src_gen.pdbx_gene_src_gene ..._entity.pdbx_description / _entity_src_gen.pdbx_gene_src_gene / _struct_ref.db_code / _struct_ref.pdbx_db_accession / _struct_ref_seq.pdbx_db_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: C102 Fab Heavy Chain
B: C102 Fab Light Chain
E: Spike glycoprotein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)69,4144
Polymers69,1933
Non-polymers2211
Water0
1


TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5720 Å2
ΔGint-19 kcal/mol
Surface area27080 Å2
Unit cell
γ
α
β
Length a, b, c (Å)54.599, 89.250, 175.089
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121
Space group name HallP2ac2ab
Symmetry operation#1: x,y,z
#2: x+1/2,-y+1/2,-z
#3: -x,y+1/2,-z+1/2
#4: -x+1/2,-y,z+1/2

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Components

#1: Antibody C102 Fab Heavy Chain


Mass: 24622.443 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cell line (production host): HEK293 / Production host: Homo sapiens (human)
#2: Antibody C102 Fab Light Chain


Mass: 23417.938 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cell line (production host): HEK293 / Production host: Homo sapiens (human)
#3: Protein Spike glycoprotein / Peplomer / S glycoprotein / E2 / Peplomer protein


Mass: 21152.633 Da / Num. of mol.: 1 / Fragment: receptor binding domain (UNP residues 331-517)
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Severe acute respiratory syndrome coronavirus 2
Gene: S, 2 / Cell line (production host): HEK293 / Production host: Homo sapiens (human) / References: UniProt: P0DTC2
#4: 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 / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 1 / 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
Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 3.07 Å3/Da / Density % sol: 59.98 %
Crystal growTemperature: 298 K / Method: vapor diffusion, sitting drop / Details: 0.2 M sodium citrate tribasic, 20% w/v PEG3350

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL12-1 / Wavelength: 0.9795 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: May 29, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9795 Å / Relative weight: 1
ReflectionResolution: 3.2→52.12 Å / Num. obs: 14722 / % possible obs: 99.7 % / Redundancy: 6.5 % / Biso Wilson estimate: 77.79 Å2 / CC1/2: 0.987 / Rmerge(I) obs: 0.16 / Rpim(I) all: 0.068 / Net I/σ(I): 6
Reflection shellResolution: 3.2→3.31 Å / Rmerge(I) obs: 0.492 / Num. unique obs: 1413 / CC1/2: 0.974 / Rpim(I) all: 0.232

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Processing

Software
NameVersionClassification
PHENIX1.17.1_3660refinement
Blu-Icedata collection
XDSdata reduction
Aimlessdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 7BZ5
Resolution: 3.2→52.12 Å / SU ML: 0.3955 / Cross valid method: FREE R-VALUE / σ(F): 1.36 / Phase error: 22.0817
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.2342 1470 9.99 %
Rwork0.1753 13243 -
Obs0.1811 14713 99.76 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 73.34 Å2
Refinement stepCycle: LAST / Resolution: 3.2→52.12 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4733 0 0 0 4733
Refine LS restraints
Refinement-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00514863
X-RAY DIFFRACTIONf_angle_d0.69286616
X-RAY DIFFRACTIONf_chiral_restr0.0441727
X-RAY DIFFRACTIONf_plane_restr0.0044855
X-RAY DIFFRACTIONf_dihedral_angle_d16.36011740
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefinement-ID% reflection obs (%)
3.2-3.30.34391280.28021151X-RAY DIFFRACTION99.46
3.3-3.420.29781330.241197X-RAY DIFFRACTION99.85
3.42-3.560.26291300.23541167X-RAY DIFFRACTION99.77
3.56-3.720.30271320.21141196X-RAY DIFFRACTION99.92
3.72-3.920.26381320.18761187X-RAY DIFFRACTION100
3.92-4.160.21741340.16831206X-RAY DIFFRACTION99.93
4.16-4.480.23421310.14211185X-RAY DIFFRACTION99.7
4.48-4.930.1821340.12761201X-RAY DIFFRACTION99.7
4.93-5.650.19831340.13581213X-RAY DIFFRACTION100
5.65-7.110.22081380.17851234X-RAY DIFFRACTION99.93
7.12-52.120.22141440.17421306X-RAY DIFFRACTION99.11

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