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- EMDB-30524: S protein of SARS-CoV-2 in complex bound with P2B-1A10 -

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Entry
Database: EMDB / ID: EMD-30524
TitleS protein of SARS-CoV-2 in complex bound with P2B-1A10
Map datacryo EM map of the S protein of SARS-CoV-2 in complex bound with FabP5A-2G7
Sample
  • Complex: S protein of SARS-CoV-2 in complex bound with FabP5A-2G7
    • Protein or peptide: Spike glycoprotein
    • Protein or peptide: Immunoglobulin heavy variable 4-61,chain H of FabP5A-2G7,Epididymis luminal protein 214
    • Protein or peptide: IGL c2312_light_IGLV2-14_IGLJ2,IGL@ protein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsSARS-CoV-2 / antibody / VIRAL PROTEIN
Function / homology
Function and homology information


immunoglobulin complex / immunoglobulin mediated immune response / antigen binding / 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 ...immunoglobulin complex / immunoglobulin mediated immune response / antigen binding / 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 / adaptive immune response / Induction of Cell-Cell Fusion / structural constituent of virion / entry receptor-mediated virion attachment to host cell / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / membrane fusion / receptor-mediated endocytosis of virus by host cell / Attachment and Entry / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / receptor ligand activity / host cell surface receptor binding / symbiont-mediated suppression of host innate immune response / immune response / 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 / extracellular space / extracellular region / identical protein binding / membrane / plasma membrane
Similarity search - Function
: / : / : / Immunoglobulin V-Type / Immunoglobulin V-set domain / Immunoglobulin V-set domain / : / Immunoglobulin subtype / Immunoglobulin / Immunoglobulin/major histocompatibility complex, conserved site ...: / : / : / Immunoglobulin V-Type / Immunoglobulin V-set domain / Immunoglobulin V-set domain / : / Immunoglobulin subtype / Immunoglobulin / Immunoglobulin/major histocompatibility complex, conserved site / Immunoglobulins and major histocompatibility complex proteins signature. / Immunoglobulin C-Type / Immunoglobulin C1-set / Immunoglobulin C1-set domain / 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 glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / Betacoronavirus spike glycoprotein S1, receptor binding / 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 / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Immunoglobulin-like fold
Similarity search - Domain/homology
Immunoglobulin heavy variable 4-61 / IGL c2312_light_IGLV2-14_IGLJ2 / Spike glycoprotein / IGL@ protein / Epididymis luminal protein 214
Similarity search - Component
Biological speciesHomo sapiens (human) / Severe acute respiratory syndrome coronavirus 2
Methodsingle particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsYan RH / Zhang YY
CitationJournal: Cell Res / Year: 2021
Title: Structural basis for bivalent binding and inhibition of SARS-CoV-2 infection by human potent neutralizing antibodies.
Authors: Renhong Yan / Ruoke Wang / Bin Ju / Jinfang Yu / Yuanyuan Zhang / Nan Liu / Jia Wang / Qi Zhang / Peng Chen / Bing Zhou / Yaning Li / Yaping Shen / Shuyuan Zhang / Long Tian / Yingying Guo / ...Authors: Renhong Yan / Ruoke Wang / Bin Ju / Jinfang Yu / Yuanyuan Zhang / Nan Liu / Jia Wang / Qi Zhang / Peng Chen / Bing Zhou / Yaning Li / Yaping Shen / Shuyuan Zhang / Long Tian / Yingying Guo / Lu Xia / Xinyue Zhong / Lin Cheng / Xiangyang Ge / Juanjuan Zhao / Hong-Wei Wang / Xinquan Wang / Zheng Zhang / Linqi Zhang / Qiang Zhou /
Abstract: Neutralizing monoclonal antibodies (nAbs) to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) represent promising candidates for clinical intervention against coronavirus disease 2019 ...Neutralizing monoclonal antibodies (nAbs) to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) represent promising candidates for clinical intervention against coronavirus disease 2019 (COVID-19). We isolated a large number of nAbs from SARS-CoV-2-infected individuals capable of disrupting proper interaction between the receptor binding domain (RBD) of the viral spike (S) protein and the receptor angiotensin converting enzyme 2 (ACE2). However, the structural basis for their potent neutralizing activity remains unclear. Here, we report cryo-EM structures of the ten most potent nAbs in their native full-length IgG-form or in both IgG-form and Fab-form bound to the trimeric S protein of SARS-CoV-2. The bivalent binding of the full-length IgG is found to associate with more RBDs in the "up" conformation than the monovalent binding of Fab, perhaps contributing to the enhanced neutralizing activity of IgG and triggering more shedding of the S1 subunit from the S protein. Comparison of a large number of nAbs identified common and unique structural features associated with their potent neutralizing activities. This work provides a structural basis for further understanding the mechanism of nAbs, especially through revealing the bivalent binding and its correlation with more potent neutralization and the shedding of S1 subunit.
History
DepositionSep 9, 2020-
Header (metadata) releaseMar 10, 2021-
Map releaseMar 10, 2021-
UpdateOct 23, 2024-
Current statusOct 23, 2024Processing site: PDBj / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.014
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 0.014
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7d03
  • Surface level: 0.014
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_30524.png

Downloads & links

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Map

FileDownload / File: emd_30524.map.gz / Format: CCP4 / Size: 91.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotationcryo EM map of the S protein of SARS-CoV-2 in complex bound with FabP5A-2G7
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.09 Å/pix.
x 288 pix.
= 313.056 Å		1.09 Å/pix.
x 288 pix.
= 313.056 Å		1.09 Å/pix.
x 288 pix.
= 313.056 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.087 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.02 / Movie #1: 0.014
Minimum - Maximum-0.079734676 - 0.14301293
Average (Standard dev.)0.0001868894 (±0.0040314486)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions288288288
Spacing288288288
CellA=B=C: 313.056 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.0871.0871.087
M x/y/z288288288
origin x/y/z0.0000.0000.000
length x/y/z313.056313.056313.056
α/β/γ90.00090.00090.000
start NX/NY/NZ000
NX/NY/NZ300300300
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS288288288
D min/max/mean-0.0800.1430.000

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Supplemental data

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Sample components

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Entire : S protein of SARS-CoV-2 in complex bound with FabP5A-2G7

EntireName: S protein of SARS-CoV-2 in complex bound with FabP5A-2G7
Components
  • Complex: S protein of SARS-CoV-2 in complex bound with FabP5A-2G7
    • Protein or peptide: Spike glycoprotein
    • Protein or peptide: Immunoglobulin heavy variable 4-61,chain H of FabP5A-2G7,Epididymis luminal protein 214
    • Protein or peptide: IGL c2312_light_IGLV2-14_IGLJ2,IGL@ protein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: S protein of SARS-CoV-2 in complex bound with FabP5A-2G7

SupramoleculeName: S protein of SARS-CoV-2 in complex bound with FabP5A-2G7
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#3
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Spike glycoprotein

MacromoleculeName: Spike glycoprotein / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 142.502594 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLGVYYHKNN KSWMESEFRV Y SSANNCTF ...String:
MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLGVYYHKNN KSWMESEFRV Y SSANNCTF EYVSQPFLMD LEGKQGNFKN LREFVFKNID GYFKIYSKHT PINLVRDLPQ GFSALEPLVD LPIGINITRF QT LLALHRS YLTPGDSSSG WTAGAAAYYV GYLQPRTFLL KYNENGTITD AVDCALDPLS ETKCTLKSFT VEKGIYQTSN FRV QPTESI VRFPNITNLC PFGEVFNATR FASVYAWNRK RISNCVADYS VLYNSASFST FKCYGVSPTK LNDLCFTNVY ADSF VIRGD EVRQIAPGQT GKIADYNYKL PDDFTGCVIA WNSNNLDSKV GGNYNYLYRL FRKSNLKPFE RDISTEIYQA GSTPC NGVE GFNCYFPLQS YGFQPTNGVG YQPYRVVVLS FELLHAPATV CGPKKSTNLV KNKCVNFNFN GLTGTGVLTE SNKKFL PFQ QFGRDIADTT DAVRDPQTLE ILDITPCSFG GVSVITPGTN TSNQVAVLYQ DVNCTEVPVA IHADQLTPTW RVYSTGS NV FQTRAGCLIG AEHVNNSYEC DIPIGAGICA SYQTQTNSPR RARSVASQSI IAYTMSLGAE NSVAYSNNSI AIPTNFTI S VTTEILPVSM TKTSVDCTMY ICGDSTECSN LLLQYGSFCT QLNRALTGIA VEQDKNTQEV FAQVKQIYKT PPIKDFGGF NFSQILPDPS KPSKRSFIED LLFNKVTLAD AGFIKQYGDC LGDIAARDLI CAQKFNGLTV LPPLLTDEMI AQYTSALLAG TITSGWTFG AGAALQIPFA MQMAYRFNGI GVTQNVLYEN QKLIANQFNS AIGKIQDSLS STASALGKLQ DVVNQNAQAL N TLVKQLSS NFGAISSVLN DILSRLDPPE AEVQIDRLIT GRLQSLQTYV TQQLIRAAEI RASANLAATK MSECVLGQSK RV DFCGKGY HLMSFPQSAP HGVVFLHVTY VPAQEKNFTT APAICHDGKA HFPREGVFVS NGTHWFVTQR NFYEPQIITT DNT FVSGNC DVVIGIVNNT VYDPLQPELD SFKEELDKYF KNHTSPDVDL GDISGINASV VNIQKEIDRL NEVAKNLNES LIDL QELGK YEQYIKWPWY IWLGFIAGLI AIVMVTIMLC CMTSCCSCLK GCCSCGSCCK FDEDDSEPVL KGVKLHYTLE DYKDD DDK

UniProtKB: Spike glycoprotein

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Macromolecule #2: Immunoglobulin heavy variable 4-61,chain H of FabP5A-2G7,Epididym...

MacromoleculeName: Immunoglobulin heavy variable 4-61,chain H of FabP5A-2G7,Epididymis luminal protein 214
type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 50.216402 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: QVQLQESGPG LVKPSETLSL TCTVSGDSVS SGSYYWSWIR QPPGKGLEWI GYIYYSGSTN YNPSLKSRVT ISVDTSKNQF SLKLSSVTA ADTAVYYCAR ERCYYGSGRA PRCVWFDPWG QGTLVTVSSA STKGPSVFPL APSSKSTSGG TAALGCLVKD Y FPEPVTVS ...String:
QVQLQESGPG LVKPSETLSL TCTVSGDSVS SGSYYWSWIR QPPGKGLEWI GYIYYSGSTN YNPSLKSRVT ISVDTSKNQF SLKLSSVTA ADTAVYYCAR ERCYYGSGRA PRCVWFDPWG QGTLVTVSSA STKGPSVFPL APSSKSTSGG TAALGCLVKD Y FPEPVTVS WNSGALTSGV HTFPAVLQSS GLYSLSSVVT VPSSSLGTQT YICNVNHKPS NTKVDKKVEP KSCDKTHTCP PC PAPELLG GPSVFLFPPK PKDTLMISRT PEVTCVVVDV SHEDPEVKFN WYVDGVEVHN AKTKPREEQY NSTYRVVSVL TVL HQDWLN GKEYKCKVSN KALPAPIEKT ISKAKGQPRE PQVYTLPPSR DELTKNQVSL TCLVKGFYPS DIAVEWESNG QPEN NYKTT PPVLDSDGSF FLYSKLTVDK SRWQQGNVFS CSVMHEALHN HYTQKSLSLS PGK

UniProtKB: Immunoglobulin heavy variable 4-61, Epididymis luminal protein 214

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Macromolecule #3: IGL c2312_light_IGLV2-14_IGLJ2,IGL@ protein

MacromoleculeName: IGL c2312_light_IGLV2-14_IGLJ2,IGL@ protein / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 22.796068 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: QSALTQPASV SGSPGQSITI SCTGTSSDVG GYNYVSWYQQ HPGKAPKLMI YDVSNRPSGV SNRFSGSKSG NTASLTISGL QAEDEADYY CSSYTSSSTL VVFGGGTKLT VLGQPKAAPS VTLFPPSSEE LQANKATLVC LISDFYPGAV TVAWKADSSP V KAGVETTT ...String:
QSALTQPASV SGSPGQSITI SCTGTSSDVG GYNYVSWYQQ HPGKAPKLMI YDVSNRPSGV SNRFSGSKSG NTASLTISGL QAEDEADYY CSSYTSSSTL VVFGGGTKLT VLGQPKAAPS VTLFPPSSEE LQANKATLVC LISDFYPGAV TVAWKADSSP V KAGVETTT PSKQSNNKYA ASSYLSLTPE QWKSHRSYSC QVTHEGSTVE KTVAPTECS

UniProtKB: IGL c2312_light_IGLV2-14_IGLJ2, IGL@ protein

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Macromolecule #5: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 5 / Number of copies: 29 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.0.6) / Number images used: 145010
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: MAXIMUM LIKELIHOOD

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