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- PDB-7wue: Crystal structure of SARS-CoV-2 Receptor Binding Domain in comple... -

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Basic information

Entry
Database: PDB / ID: 7wue
TitleCrystal structure of SARS-CoV-2 Receptor Binding Domain in complex with the monoclonal antibody m31A7
Components
  • Spike protein S1
  • m31A7 Fab HEAVY CHAIN
  • m31A7 Fab LIGHT CHAIN
KeywordsVIRAL PROTEIN/IMMUNE SYSTEM / SARS-CoV-2 / Spike / receptor binding domain / m31A7 / monoclonal antibody / 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 / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / entry receptor-mediated virion attachment to host cell ...Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / entry receptor-mediated virion attachment to host cell / membrane fusion / Attachment and Entry / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / host cell surface receptor binding / symbiont-mediated suppression of host innate immune response / receptor ligand activity / endocytosis involved in viral entry into host cell / 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 / Coronavirus spike glycoprotein S1, C-terminal / Coronavirus spike glycoprotein S1, C-terminal / Spike glycoprotein, betacoronavirus / Spike glycoprotein, N-terminal domain superfamily / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus ...Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2 / Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-like / Coronavirus spike glycoprotein S1, C-terminal / Coronavirus spike glycoprotein S1, C-terminal / Spike glycoprotein, betacoronavirus / Spike glycoprotein, N-terminal domain superfamily / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / 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 1 (HR1) region profile. / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 2 (HR2) region profile. / Spike glycoprotein S2 superfamily, coronavirus / Spike glycoprotein S2, coronavirus / Coronavirus spike glycoprotein S2
Similarity search - Domain/homology
Biological speciesSevere acute respiratory syndrome coronavirus 2
Mus musculus (house mouse)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.2 Å
AuthorsMohapatra, A.
Funding support Taiwan, 1items
OrganizationGrant numberCountry
Ministry of Science and Technology (MoST, Taiwan) Taiwan
CitationJournal: Sci Transl Med / Year: 2022
Title: Vaccination with SARS-CoV-2 spike protein lacking glycan shields elicits enhanced protective responses in animal models.
Authors: Han-Yi Huang / Hsin-Yu Liao / Xiaorui Chen / Szu-Wen Wang / Cheng-Wei Cheng / Md Shahed-Al-Mahmud / Yo-Min Liu / Arpita Mohapatra / Ting-Hua Chen / Jennifer M Lo / Yi-Min Wu / Hsiu-Hua Ma / ...Authors: Han-Yi Huang / Hsin-Yu Liao / Xiaorui Chen / Szu-Wen Wang / Cheng-Wei Cheng / Md Shahed-Al-Mahmud / Yo-Min Liu / Arpita Mohapatra / Ting-Hua Chen / Jennifer M Lo / Yi-Min Wu / Hsiu-Hua Ma / Yi-Hsuan Chang / Ho-Yang Tsai / Yu-Chi Chou / Yi-Ping Hsueh / Ching-Yen Tsai / Pau-Yi Huang / Sui-Yuan Chang / Tai-Ling Chao / Han-Chieh Kao / Ya-Min Tsai / Yen-Hui Chen / Chung-Yi Wu / Jia-Tsrong Jan / Ting-Jen Rachel Cheng / Kuo-I Lin / Che Ma / Chi-Huey Wong /
Abstract: A major challenge to end the pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is to develop a broadly protective vaccine that elicits long-term immunity. As the key ...A major challenge to end the pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is to develop a broadly protective vaccine that elicits long-term immunity. As the key immunogen, the viral surface spike (S) protein is frequently mutated, and conserved epitopes are shielded by glycans. Here, we revealed that S protein glycosylation has site-differential effects on viral infectivity. We found that S protein generated by lung epithelial cells has glycoforms associated with increased infectivity. Compared to the fully glycosylated S protein, immunization of S protein with N-glycans trimmed to the mono-GlcNAc-decorated state (S) elicited stronger immune responses and better protection for human angiotensin-converting enzyme 2 (hACE2) transgenic mice against variants of concern (VOCs). In addition, a broadly neutralizing monoclonal antibody was identified from S-immunized mice that could neutralize wild-type SARS-CoV-2 and VOCs with subpicomolar potency. Together, these results demonstrate that removal of glycan shields to better expose the conserved sequences has the potential to be an effective and simple approach for developing a broadly protective SARS-CoV-2 vaccine.
History
DepositionFeb 8, 2022Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Mar 16, 2022Provider: repository / Type: Initial release
Revision 1.1Apr 20, 2022Group: 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 1.2Jul 6, 2022Group: Database references / Category: citation / citation_author
Item: _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 1.3Nov 29, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 1.4Nov 20, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Spike protein S1
C: m31A7 Fab HEAVY CHAIN
D: m31A7 Fab LIGHT CHAIN
B: Spike protein S1
E: m31A7 Fab HEAVY CHAIN
F: m31A7 Fab LIGHT CHAIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)150,72510
Polymers148,1196
Non-polymers2,6064
Water00
1
A: Spike protein S1
C: m31A7 Fab HEAVY CHAIN
D: m31A7 Fab LIGHT CHAIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)75,3635
Polymers74,0593
Non-polymers1,3032
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Spike protein S1
E: m31A7 Fab HEAVY CHAIN
F: m31A7 Fab LIGHT CHAIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)75,3635
Polymers74,0593
Non-polymers1,3032
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)110.460, 258.120, 141.060
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number20
Space group name H-MC2221

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Components

#1: Protein Spike protein S1 / S glycoprotein / E2 / Peplomer protein


Mass: 21873.496 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Severe acute respiratory syndrome coronavirus 2
Gene: S, 2 / Production host: Homo sapiens (human) / References: UniProt: P0DTC2
#2: Antibody m31A7 Fab HEAVY CHAIN


Mass: 25621.902 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Production host: Homo sapiens (human)
#3: Antibody m31A7 Fab LIGHT CHAIN


Mass: 26564.006 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Production host: Homo sapiens (human)
#4: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta- ...2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 570.542 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4[LFucpa1-6]DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1221m-1a_1-5]/1-1-2/a4-b1_a6-c1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}[(6+1)][a-L-Fucp]{}}LINUCSPDB-CARE
#5: Polysaccharide beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 732.682 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpb1-4DGlcpNAcb1-4[LFucpa1-6]DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,4,3/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1221m-1a_1-5]/1-1-2-3/a4-b1_a6-d1_b4-c1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}[(6+1)][a-L-Fucp]{}}LINUCSPDB-CARE
Has ligand of interestY
Has protein modificationY

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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: 3.35 Å3/Da / Density % sol: 63.26 %
Crystal growTemperature: 293.15 K / Method: vapor diffusion, hanging drop / pH: 4.6 / Details: 2.0 M Ammonia sulfate, 0.1M sodium acetate pH 4.6

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: NSRRC / Beamline: BL15A1 / Wavelength: 1 Å
DetectorType: RAYONIX MX300HE / Detector: CCD / Date: Dec 8, 2021
RadiationMonochromator: LN2-Cooled, Fixed-Exit Double Crystal Monochromator
Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 3.2→48.91 Å / Num. obs: 33348 / % possible obs: 99.3 % / Redundancy: 3.4 % / Biso Wilson estimate: 66.59 Å2 / CC1/2: 0.983 / Rmerge(I) obs: 0.182 / Rpim(I) all: 0.11 / Rrim(I) all: 0.214 / Net I/σ(I): 5.7 / Num. measured all: 114117 / Scaling rejects: 125
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. measured allNum. unique obsCC1/2Rpim(I) allRrim(I) allNet I/σ(I) obs% possible all
3.2-3.363.40.6851494943720.4470.4170.8061.699.3
10.61-48.913.20.03731079630.9950.0240.04518.396.2

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Processing

Software
NameVersionClassification
PHENIX1.19.2_4158refinement
Aimless0.7.4data scaling
PDB_EXTRACT3.27data extraction
iMOSFLMdata reduction
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 7C01

7c01


Resolution: 3.2→47.61 Å / SU ML: 0.52 / Cross valid method: THROUGHOUT / σ(F): 1.36 / Phase error: 30.62 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2954 1647 4.94 %
Rwork0.2283 31667 -
obs0.2316 33314 99 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 142.24 Å2 / Biso mean: 64.7867 Å2 / Biso min: 25.02 Å2
Refinement stepCycle: final / Resolution: 3.2→47.61 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9778 0 174 0 9952
Biso mean--107.82 --
Num. residues----1264
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 12

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
3.2-3.290.36271470.32632562270999
3.29-3.40.3581350.29252612274799
3.4-3.520.37991290.28712637276699
3.52-3.660.31741460.25592605275199
3.66-3.830.29131090.23826722781100
3.83-4.030.29571360.23312634277099
4.03-4.280.30311420.20952619276199
4.28-4.610.28911420.1912641278399
4.61-5.080.22691260.17842668279499
5.08-5.810.26411400.20842650279099
5.81-7.320.29461440.24222667281199
7.32-47.610.27991510.20962700285196

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