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- EMDB-14226: Dissociated S1 domain of Alpha Variant SARS-CoV-2 Spike bound to ACE2 -
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Open data
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Basic information
Entry | Database: EMDB / ID: EMD-14226 | |||||||||
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Title | Dissociated S1 domain of Alpha Variant SARS-CoV-2 Spike bound to ACE2 | |||||||||
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Function / homology | ![]() positive regulation of amino acid transport / ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Similarity search - Function | |||||||||
Biological species | ![]() ![]() ![]() ![]() ![]() | |||||||||
Method | ![]() ![]() | |||||||||
![]() | Benton DJ / Wrobel AG / Gamblin SJ | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Evolution of the SARS-CoV-2 spike protein in the human host. Authors: Antoni G Wrobel / Donald J Benton / Chloë Roustan / Annabel Borg / Saira Hussain / Stephen R Martin / Peter B Rosenthal / John J Skehel / Steven J Gamblin / ![]() Abstract: Recently emerged variants of SARS-CoV-2 contain in their surface spike glycoproteins multiple substitutions associated with increased transmission and resistance to neutralising antibodies. We have ...Recently emerged variants of SARS-CoV-2 contain in their surface spike glycoproteins multiple substitutions associated with increased transmission and resistance to neutralising antibodies. We have examined the structure and receptor binding properties of spike proteins from the B.1.1.7 (Alpha) and B.1.351 (Beta) variants to better understand the evolution of the virus in humans. Spikes of both variants have the same mutation, N501Y, in the receptor-binding domains. This substitution confers tighter ACE2 binding, dependent on the common earlier substitution, D614G. Each variant spike has acquired other key changes in structure that likely impact virus pathogenesis. The spike from the Alpha variant is more stable against disruption upon binding ACE2 receptor than all other spikes studied. This feature is linked to the acquisition of a more basic substitution at the S1-S2 furin site (also observed for the variants of concern Delta, Kappa, and Omicron) which allows for near-complete cleavage. In the Beta variant spike, the presence of a new substitution, K417N (also observed in the Omicron variant), in combination with the D614G, stabilises a more open spike trimer, a conformation required for receptor binding. Our observations suggest ways these viruses have evolved to achieve greater transmissibility in humans. | |||||||||
History |
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Structure visualization
Movie |
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Structure viewer | EM map: ![]() ![]() ![]() |
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 2.2 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 18.9 KB 18.9 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 12.8 KB | Display | ![]() |
Images | ![]() | 52.3 KB | ||
Masks | ![]() | 178 MB | ![]() | |
Others | ![]() ![]() | 141 MB 141 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7r10MC ![]() 7r0zC ![]() 7r11C ![]() 7r12C ![]() 7r13C ![]() 7r14C ![]() 7r15C ![]() 7r16C ![]() 7r17C ![]() 7r18C ![]() 7r19C ![]() 7r1aC ![]() 7r1bC M: atomic model generated by this map C: citing same article ( |
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Similar structure data |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
File | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.078 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
-Mask #1
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Projections & Slices |
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Density Histograms |
-Half map: #2
File | emd_14226_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_14226_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
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Sample components
-Entire : Dissociated S1 domain of Alpha Variant SARS-CoV-2 Spike bound to ACE2
Entire | Name: Dissociated S1 domain of Alpha Variant SARS-CoV-2 Spike bound to ACE2 |
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Components |
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-Supramolecule #1: Dissociated S1 domain of Alpha Variant SARS-CoV-2 Spike bound to ACE2
Supramolecule | Name: Dissociated S1 domain of Alpha Variant SARS-CoV-2 Spike bound to ACE2 type: complex / Chimera: Yes / ID: 1 / Parent: 0 / Macromolecule list: #1-#2 |
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Molecular weight | Theoretical: 150 KDa |
-Supramolecule #2: Angiotensin-converting enzyme 2 (ACE2)
Supramolecule | Name: Angiotensin-converting enzyme 2 (ACE2) / type: complex / Chimera: Yes / ID: 2 / Parent: 1 / Macromolecule list: #1 |
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Source (natural) | Organism: ![]() ![]() |
Recombinant expression | Organism: ![]() ![]() |
-Supramolecule #3: SARS-CoV-2 Spike glycoprotein
Supramolecule | Name: SARS-CoV-2 Spike glycoprotein / type: complex / Chimera: Yes / ID: 3 / Parent: 1 / Macromolecule list: #2 |
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Source (natural) | Organism: ![]() ![]() ![]() |
Recombinant expression | Organism: ![]() ![]() |
-Macromolecule #1: Angiotensin-converting enzyme 2
Macromolecule | Name: Angiotensin-converting enzyme 2 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO / EC number: ![]() |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 75.337422 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: METDTLLLWV LLLWVPGSTG STIEEQAKTF LDKFNHEAED LFYQSSLASW NYNTNITEEN VQNMNNAGDK WSAFLKEQST LAQMYPLQE IQNLTVKLQL QALQQNGSSV LSEDKSKRLN TILNTMSTIY STGKVCNPDN PQECLLLEPG LNEIMANSLD Y NERLWAWE ...String: METDTLLLWV LLLWVPGSTG STIEEQAKTF LDKFNHEAED LFYQSSLASW NYNTNITEEN VQNMNNAGDK WSAFLKEQST LAQMYPLQE IQNLTVKLQL QALQQNGSSV LSEDKSKRLN TILNTMSTIY STGKVCNPDN PQECLLLEPG LNEIMANSLD Y NERLWAWE SWRSEVGKQL RPLYEEYVVL KNEMARANHY EDYGDYWRGD YEVNGVDGYD YSRGQLIEDV EHTFEEIKPL YE HLHAYVR AKLMNAYPSY ISPIGCLPAH LLGDMWGRFW TNLYSLTVPF GQKPNIDVTD AMVDQAWDAQ RIFKEAEKFF VSV GLPNMT QGFWENSMLT DPGNVQKAVC HPTAWDLGKG DFRILMCTKV TMDDFLTAHH EMGHIQYDMA YAAQPFLLRN GANE GFHEA VGEIMSLSAA TPKHLKSIGL LSPDFQEDNE TEINFLLKQA LTIVGTLPFT YMLEKWRWMV FKGEIPKDQW MKKWW EMKR EIVGVVEPVP HDETYCDPAS LFHVSNDYSF IRYYTRTLYQ FQFQEALCQA AKHEGPLHKC DISNSTEAGQ KLFNML RLG KSEPWTLALE NVVGAKNMNV RPLLNYFEPL FTWLKDQNKN SFVGWSTDWS PYADDYKDDD DKWSHPQFEK GGGSGGG SG GSSAWSHPQF EK |
-Macromolecule #2: Spike glycoprotein
Macromolecule | Name: Spike glycoprotein / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() ![]() |
Molecular weight | Theoretical: 142.162859 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MGILPSPGMP ALLSLVSLLS VLLMGCVAET GMFVFLVLLP LVSSQCVNLT TRTQLPPAYT NSFTRGVYYP DKVFRSSVLH STQDLFLPF FSNVTWFHAI SGTNGTKRFD NPVLPFNDGV YFASTEKSNI IRGWIFGTTL DSKTQSLLIV NNATNVVIKV C EFQFCNDP ...String: MGILPSPGMP ALLSLVSLLS VLLMGCVAET GMFVFLVLLP LVSSQCVNLT TRTQLPPAYT NSFTRGVYYP DKVFRSSVLH STQDLFLPF FSNVTWFHAI SGTNGTKRFD NPVLPFNDGV YFASTEKSNI IRGWIFGTTL DSKTQSLLIV NNATNVVIKV C EFQFCNDP FLGVYHKNNK SWMESEFRVY SSANNCTFEY VSQPFLMDLE GKQGNFKNLR EFVFKNIDGY FKIYSKHTPI NL VRDLPQG FSALEPLVDL PIGINITRFQ TLLALHRSYL TPGDSSSGWT AGAAAYYVGY LQPRTFLLKY NENGTITDAV DCA LDPLSE TKCTLKSFTV EKGIYQTSNF RVQPTESIVR FPNITNLCPF GEVFNATRFA SVYAWNRKRI SNCVADYSVL YNSA SFSTF KCYGVSPTKL NDLCFTNVYA DSFVIRGDEV RQIAPGQTGK IADYNYKLPD DFTGCVIAWN SNNLDSKVGG NYNYL YRLF RKSNLKPFER DISTEIYQAG STPCNGVEGF NCYFPLQSYG FQPTYGVGYQ PYRVVVLSFE LLHAPATVCG PKKSTN LVK NKCVNFNFNG LTGTGVLTES NKKFLPFQQF GRDIDDTTDA VRDPQTLEIL DITPCSFGGV SVITPGTNTS NQVAVLY QD VNCTEVPVAI HADQLTPTWR VYSTGSNVFQ TRAGCLIGAE HVNNSYECDI PIGAGICASY QTQTNSHRRA RSVASQSI I AYTMSLGAEN SVAYSNNSIA IPINFTISVT TEILPVSMTK TSVDCTMYIC GDSTECSNLL LQYGSFCTQL NRALTGIAV EQDKNTQEVF AQVKQIYKTP PIKDFGGFNF SQILPDPSKP SKRSFIEDLL FNKVTLADAG FIKQYGDCLG DIAARDLICA QKFNGLTVL PPLLTDEMIA QYTSALLAGT ITSGWTFGAG AALQIPFAMQ MAYRFNGIGV TQNVLYENQK LIANQFNSAI G KIQDSLSS TASALGKLQD VVNQNAQALN TLVKQLSSNF GAISSVLNDI LARLDPPEAE VQIDRLITGR LQSLQTYVTQ QL IRAAEIR ASANLAATKM SECVLGQSKR VDFCGKGYHL MSFPQSAPHG VVFLHVTYVP AQEKNFTTAP AICHDGKAHF PRE GVFVSN GTHWFVTQRN FYEPQIITTH NTFVSGNCDV VIGIVNNTVY DPLQPELDSF KEELDKYFKN HTSPDVDLGD ISGI NASVV NIQKEIDRLN EVAKNLNESL IDLQELGKYE QSGRENLYFQ GGGGSGYIPE APRDGQAYVR KDGEWVLLST FLGHH HHHH |
-Macromolecule #3: ZINC ION
Macromolecule | Name: ZINC ION / type: ligand / ID: 3 / Number of copies: 1 / Formula: ZN |
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Molecular weight | Theoretical: 65.409 Da |
-Macromolecule #4: 2-acetamido-2-deoxy-beta-D-glucopyranose
Macromolecule | Name: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 4 / Number of copies: 7 / Formula: NAG |
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Molecular weight | Theoretical: 221.208 Da |
Chemical component information | ![]() ChemComp-NAG: |
-Experimental details
-Structure determination
Method | ![]() |
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Aggregation state | particle |
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Sample preparation
Buffer | pH: 8 |
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Vitrification | Cryogen name: ETHANE |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD![]() |
Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average electron dose: 49.0 e/Å2 |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |