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- PDB-8smi: Crystal structure of antibody WRAIR-2123 in complex with SARS-CoV... -

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Basic information

Entry
Database: PDB / ID: 8smi
TitleCrystal structure of antibody WRAIR-2123 in complex with SARS-CoV-2 receptor binding domain
Components
  • Spike protein S1
  • WRAIR-2123 Fab heavy chain
  • WRAIR-2123 Fab light chain
KeywordsVIRAL PROTEIN/IMMUNE SYSTEM / sars-cov-2 / antibody / immune system / viral protein / VIRAL PROTEIN-IMMUNE SYSTEM complex
Function / homology
Function and homology information


Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / suppression by virus of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / host cell endoplasmic reticulum-Golgi intermediate compartment membrane ...Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / suppression by virus of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / entry receptor-mediated virion attachment to host cell / receptor-mediated endocytosis of virus by host cell / Attachment and Entry / membrane fusion / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / receptor ligand activity / host cell surface receptor binding / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / SARS-CoV-2 activates/modulates innate and adaptive immune responses / host cell plasma membrane / virion membrane / identical protein binding / membrane / plasma membrane
Similarity search - Function
Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2 / Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-like / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Spike glycoprotein, N-terminal domain superfamily / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike glycoprotein, betacoronavirus / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Betacoronavirus spike glycoprotein S1, receptor binding / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like ...Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2 / Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-like / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Spike glycoprotein, N-terminal domain superfamily / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike glycoprotein, betacoronavirus / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Betacoronavirus spike glycoprotein S1, receptor binding / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / Spike glycoprotein S2, coronavirus, heptad repeat 1 / Spike glycoprotein S2, coronavirus, heptad repeat 2 / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 2 (HR2) region profile. / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 1 (HR1) region profile. / Spike glycoprotein S2 superfamily, coronavirus / Spike glycoprotein S2, coronavirus / Coronavirus spike glycoprotein S2 / Coronavirus spike glycoprotein S1, C-terminal / Coronavirus spike glycoprotein S1, C-terminal
Similarity search - Domain/homology
Biological speciesSevere acute respiratory syndrome coronavirus 2
Homo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.5 Å
AuthorsSankhala, R.S. / Jensen, J.L. / Joyce, M.G.
Funding support United States, 1items
OrganizationGrant numberCountry
Department of Defense (DOD, United States)W81XWH-18-2-0040 United States
CitationJournal: Structure / Year: 2024
Title: Antibody targeting of conserved sites of vulnerability on the SARS-CoV-2 spike receptor-binding domain.
Authors: Sankhala, R.S. / Dussupt, V. / Chen, W.H. / Bai, H. / Martinez, E.J. / Jensen, J.L. / Rees, P.A. / Hajduczki, A. / Chang, W.C. / Choe, M. / Yan, L. / Sterling, S.L. / Swafford, I. / Kuklis, ...Authors: Sankhala, R.S. / Dussupt, V. / Chen, W.H. / Bai, H. / Martinez, E.J. / Jensen, J.L. / Rees, P.A. / Hajduczki, A. / Chang, W.C. / Choe, M. / Yan, L. / Sterling, S.L. / Swafford, I. / Kuklis, C. / Soman, S. / King, J. / Corbitt, C. / Zemil, M. / Peterson, C.E. / Mendez-Rivera, L. / Townsley, S.M. / Donofrio, G.C. / Lal, K.G. / Tran, U. / Green, E.C. / Smith, C. / de Val, N. / Laing, E.D. / Broder, C.C. / Currier, J.R. / Gromowski, G.D. / Wieczorek, L. / Rolland, M. / Paquin-Proulx, D. / van Dyk, D. / Britton, Z. / Rajan, S. / Loo, Y.M. / McTamney, P.M. / Esser, M.T. / Polonis, V.R. / Michael, N.L. / Krebs, S.J. / Modjarrad, K. / Joyce, M.G.
History
DepositionApr 26, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 13, 2023Provider: repository / Type: Initial release
Revision 1.1Jan 10, 2024Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2Feb 14, 2024Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.year

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Spike protein S1
H: WRAIR-2123 Fab heavy chain
L: WRAIR-2123 Fab light chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)71,3614
Polymers70,9363
Non-polymers4241
Water00
1
A: Spike protein S1
hetero molecules

H: WRAIR-2123 Fab heavy chain
L: WRAIR-2123 Fab light chain


Theoretical massNumber of molelcules
Total (without water)71,3614
Polymers70,9363
Non-polymers4241
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation1_565x,y+1,z1
Buried area4700 Å2
ΔGint-18 kcal/mol
Surface area30310 Å2
MethodPISA
Unit cell
Length a, b, c (Å)39.290, 94.430, 201.310
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21221

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Components

#1: Protein Spike protein S1


Mass: 23073.766 Da / Num. of mol.: 1 / Fragment: receptor binding domain
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Severe acute respiratory syndrome coronavirus 2
Gene: S, 2 / Cell line (production host): Expi293 / Production host: Homo sapiens (human) / References: UniProt: P0DTC2
#2: Antibody WRAIR-2123 Fab heavy chain


Mass: 24438.551 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cell line (production host): Expi293 / Production host: Homo sapiens (human)
#3: Antibody WRAIR-2123 Fab light chain


Mass: 23423.840 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cell line (production host): Expi293 / Production host: Homo sapiens (human)
#4: 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.: 1
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
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: 2.72 Å3/Da / Density % sol: 54.7 %
Crystal growTemperature: 291 K / Method: vapor diffusion, sitting drop
Details: 0.12 M alcohol mixture (1,6-Hexanediol; 1-Butanol; 1,2-Propanediol; 2-Propanol; 1,4-Butanediol; 1,3-Propanediol), 0.1M buffer system 3 (Tris base and BICINE, pH 8.5), 50% precipitant mix 4 ...Details: 0.12 M alcohol mixture (1,6-Hexanediol; 1-Butanol; 1,2-Propanediol; 2-Propanol; 1,4-Butanediol; 1,3-Propanediol), 0.1M buffer system 3 (Tris base and BICINE, pH 8.5), 50% precipitant mix 4 (25% v/v MPD; 25% PEG 1000; 25% w/v PEG 3350), 0.1 M Manganese(II) chloride tetrahydrate

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 24-ID-E / Wavelength: 0.9792 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Jun 23, 2021
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9792 Å / Relative weight: 1
ReflectionResolution: 3.5→50 Å / Num. obs: 16572 / % possible obs: 90.1 % / Redundancy: 3.4 % / CC1/2: 0.89 / Net I/σ(I): 5.1
Reflection shellResolution: 3.5→3.71 Å / Num. unique obs: 2649 / CC1/2: 0.83

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Processing

Software
NameVersionClassification
PHENIX1.20.1_4487refinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 3.5→44.41 Å / SU ML: 0.4 / Cross valid method: FREE R-VALUE / σ(F): 1.37 / Phase error: 21.78 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2949 246 4.51 %
Rwork0.2419 --
obs0.2444 5451 54.13 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 3.5→44.41 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4836 0 28 0 4864
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0044978
X-RAY DIFFRACTIONf_angle_d0.6976773
X-RAY DIFFRACTIONf_dihedral_angle_d5.16695
X-RAY DIFFRACTIONf_chiral_restr0.053758
X-RAY DIFFRACTIONf_plane_restr0.006873
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
3.5-4.410.3464690.21981440X-RAY DIFFRACTION31
4.41-44.410.27851770.24963765X-RAY DIFFRACTION76

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