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- EMDB-27731: SARS-CoV-2 Wuhan-hu-1-Spike-RBD bound to computationally engineer... -

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Entry
Database: EMDB / ID: EMD-27731
TitleSARS-CoV-2 Wuhan-hu-1-Spike-RBD bound to computationally engineered ACE2 mimetic CVD293
Map dataSARS-CoV-2 Wuhan-hu-1-Spike-RBD bound to computationally engineered ACE2 mimetic CVD293
Sample
  • Complex: SARS-CoV-2 Wuhan-hu-1-Spike bound to linker variant of affinity matured ACE2 mimetic CVD293
    • Complex: Spike glycoprotein
      • Protein or peptide: Spike glycoprotein
    • Complex: Angiotensin-converting enzyme 2,Immunoglobulin gamma-1 heavy chain fusion
      • Protein or peptide: Angiotensin-converting enzyme 2,Immunoglobulin gamma-1 heavy chain fusion
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsSARS-CoV-2 / Spike / Receptor-binding domain / ACE2 receptor traps / ANTIVIRAL PROTEIN / VIRAL PROTEIN-ANTIVIRAL PROTEIN complex
Function / homology
Function and homology information


immunoglobulin complex / positive regulation of amino acid transport / angiotensin-converting enzyme 2 / positive regulation of L-proline import across plasma membrane / angiotensin-mediated drinking behavior / Hydrolases; Acting on peptide bonds (peptidases); Metallocarboxypeptidases / regulation of systemic arterial blood pressure by renin-angiotensin / positive regulation of gap junction assembly / tryptophan transport / regulation of cardiac conduction ...immunoglobulin complex / positive regulation of amino acid transport / angiotensin-converting enzyme 2 / positive regulation of L-proline import across plasma membrane / angiotensin-mediated drinking behavior / Hydrolases; Acting on peptide bonds (peptidases); Metallocarboxypeptidases / regulation of systemic arterial blood pressure by renin-angiotensin / positive regulation of gap junction assembly / tryptophan transport / regulation of cardiac conduction / regulation of vasoconstriction / peptidyl-dipeptidase activity / maternal process involved in female pregnancy / Metabolism of Angiotensinogen to Angiotensins / carboxypeptidase activity / angiotensin maturation / Attachment and Entry / receptor-mediated endocytosis of virus by host cell / metallocarboxypeptidase activity / viral life cycle / positive regulation of cardiac muscle contraction / regulation of transmembrane transporter activity / regulation of cytokine production / blood vessel diameter maintenance / brush border membrane / negative regulation of smooth muscle cell proliferation / negative regulation of ERK1 and ERK2 cascade / positive regulation of reactive oxygen species metabolic process / metallopeptidase activity / endocytic vesicle membrane / regulation of cell population proliferation / virus receptor activity / regulation of inflammatory response / endopeptidase activity / Maturation of spike protein / viral translation / adaptive immune response / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / symbiont-mediated-mediated suppression of host tetherin activity / Potential therapeutics for SARS / 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 / cilium / symbiont-mediated suppression of host innate immune response / apical plasma membrane / receptor ligand activity / membrane raft / endocytosis involved in viral entry into host cell / endoplasmic reticulum lumen / symbiont 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 / cell surface / extracellular space / extracellular exosome / extracellular region / zinc ion binding / identical protein binding / membrane / plasma membrane
Similarity search - Function
Collectrin domain / Renal amino acid transporter / Collectrin-like domain profile. / Peptidase M2, peptidyl-dipeptidase A / Angiotensin-converting enzyme / Peptidase family M2 domain profile. / : / Immunoglobulin V-Type / Immunoglobulin V-set domain / Immunoglobulin V-set domain ...Collectrin domain / Renal amino acid transporter / Collectrin-like domain profile. / Peptidase M2, peptidyl-dipeptidase A / Angiotensin-converting enzyme / Peptidase family M2 domain profile. / : / Immunoglobulin V-Type / Immunoglobulin V-set domain / Immunoglobulin V-set domain / Neutral zinc metallopeptidases, zinc-binding region signature. / Immunoglobulin/major histocompatibility complex, conserved site / Immunoglobulins and major histocompatibility complex proteins signature. / Immunoglobulin subtype / Immunoglobulin / 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 / 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 / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Immunoglobulin-like fold
Similarity search - Domain/homology
Immunoglobulin gamma-1 heavy chain / Spike glycoprotein / Angiotensin-converting enzyme 2
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2 / Homo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.5 Å
AuthorsQCRG Structural Biology Consortium / Remesh SG / Merz GE / Brilot AF / Chio U / Verba KA
Funding support United States, 3 items
OrganizationGrant numberCountry
Department of Defense (DOD, United States)HR0011-19-2-0020 United States
Chan Zuckerberg Initiative United States
Mercatus CenterEmergent Ventures #2154 United States
CitationJournal: Structure / Year: 2023
Title: Computational pipeline provides mechanistic understanding of Omicron variant of concern neutralizing engineered ACE2 receptor traps.
Authors: Soumya G Remesh / Gregory E Merz / Axel F Brilot / Un Seng Chio / Alexandrea N Rizo / Thomas H Pospiech / Irene Lui / Mathew T Laurie / Jeff Glasgow / Chau Q Le / Yun Zhang / Devan Diwanji / ...Authors: Soumya G Remesh / Gregory E Merz / Axel F Brilot / Un Seng Chio / Alexandrea N Rizo / Thomas H Pospiech / Irene Lui / Mathew T Laurie / Jeff Glasgow / Chau Q Le / Yun Zhang / Devan Diwanji / Evelyn Hernandez / Jocelyne Lopez / Hevatib Mehmood / Komal Ishwar Pawar / Sergei Pourmal / Amber M Smith / Fengbo Zhou / / Joseph DeRisi / Tanja Kortemme / Oren S Rosenberg / Anum Glasgow / Kevin K Leung / James A Wells / Kliment A Verba /
Abstract: The SARS-CoV-2 Omicron variant, with 15 mutations in Spike receptor-binding domain (Spike-RBD), renders virtually all clinical monoclonal antibodies against WT SARS-CoV-2 ineffective. We recently ...The SARS-CoV-2 Omicron variant, with 15 mutations in Spike receptor-binding domain (Spike-RBD), renders virtually all clinical monoclonal antibodies against WT SARS-CoV-2 ineffective. We recently engineered the SARS-CoV-2 host entry receptor, ACE2, to tightly bind WT-RBD and prevent viral entry into host cells ("receptor traps"). Here we determine cryo-EM structures of our receptor traps in complex with stabilized Spike ectodomain. We develop a multi-model pipeline combining Rosetta protein modeling software and cryo-EM to allow interface energy calculations even at limited resolution and identify interface side chains that allow for high-affinity interactions between our ACE2 receptor traps and Spike-RBD. Our structural analysis provides a mechanistic rationale for the high-affinity (0.53-4.2 nM) binding of our ACE2 receptor traps to Omicron-RBD confirmed with biolayer interferometry measurements. Finally, we show that ACE2 receptor traps potently neutralize Omicron and Delta pseudotyped viruses, providing alternative therapeutic routes to combat this evolving virus.
History
DepositionJul 27, 2022-
Header (metadata) releaseAug 31, 2022-
Map releaseAug 31, 2022-
UpdateOct 30, 2024-
Current statusOct 30, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_27731.png

Downloads & links

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Map

FileDownload / File: emd_27731.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationSARS-CoV-2 Wuhan-hu-1-Spike-RBD bound to computationally engineered ACE2 mimetic CVD293
Projections & slices

Image control

Size
Brightness
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Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.01 Å/pix.
x 480 pix.
= 483.84 Å		1.01 Å/pix.
x 480 pix.
= 483.84 Å		1.01 Å/pix.
x 480 pix.
= 483.84 Å

Surface

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Images are generated by Spider.

Voxel sizeX=Y=Z: 1.008 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.44
Minimum - Maximum-0.85725397 - 4.816854
Average (Standard dev.)0.00071837095 (±0.02938563)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 483.84 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: SARS-CoV-2 Wuhan-hu-1-Spike-RBD bound to computationally engineered ACE2 mimetic...

Fileemd_27731_additional_1.map
AnnotationSARS-CoV-2 Wuhan-hu-1-Spike-RBD bound to computationally engineered ACE2 mimetic CVD293
Projections & Slices
AxesZYX

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Histogram (log scale)

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Half map: SARS-CoV-2 Wuhan-hu-1-Spike-RBD bound to computationally engineered ACE2 mimetic...

Fileemd_27731_half_map_1.map
AnnotationSARS-CoV-2 Wuhan-hu-1-Spike-RBD bound to computationally engineered ACE2 mimetic CVD293
Projections & Slices
AxesZYX

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Slices (1/2)
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Histogram

Histogram (log scale)

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Half map: SARS-CoV-2 Wuhan-hu-1-Spike-RBD bound to computationally engineered ACE2 mimetic...

Fileemd_27731_half_map_2.map
AnnotationSARS-CoV-2 Wuhan-hu-1-Spike-RBD bound to computationally engineered ACE2 mimetic CVD293
Projections & Slices
AxesZYX

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Sample components

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Entire : SARS-CoV-2 Wuhan-hu-1-Spike bound to linker variant of affinity m...

EntireName: SARS-CoV-2 Wuhan-hu-1-Spike bound to linker variant of affinity matured ACE2 mimetic CVD293
Components
  • Complex: SARS-CoV-2 Wuhan-hu-1-Spike bound to linker variant of affinity matured ACE2 mimetic CVD293
    • Complex: Spike glycoprotein
      • Protein or peptide: Spike glycoprotein
    • Complex: Angiotensin-converting enzyme 2,Immunoglobulin gamma-1 heavy chain fusion
      • Protein or peptide: Angiotensin-converting enzyme 2,Immunoglobulin gamma-1 heavy chain fusion
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: SARS-CoV-2 Wuhan-hu-1-Spike bound to linker variant of affinity m...

SupramoleculeName: SARS-CoV-2 Wuhan-hu-1-Spike bound to linker variant of affinity matured ACE2 mimetic CVD293
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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Supramolecule #2: Spike glycoprotein

SupramoleculeName: Spike glycoprotein / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #3: Angiotensin-converting enzyme 2,Immunoglobulin gamma-1 heavy chai...

SupramoleculeName: Angiotensin-converting enzyme 2,Immunoglobulin gamma-1 heavy chain fusion
type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2

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Macromolecule #1: Spike glycoprotein

MacromoleculeName: Spike glycoprotein / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 133.75325 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 SYQTQTNSPG SASSVASQSI 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 YEQ

UniProtKB: Spike glycoprotein

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Macromolecule #2: Angiotensin-converting enzyme 2,Immunoglobulin gamma-1 heavy chai...

MacromoleculeName: Angiotensin-converting enzyme 2,Immunoglobulin gamma-1 heavy chain fusion
type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO / EC number: angiotensin-converting enzyme 2
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 113.86925 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: QSTIEEQAKT FLDFFNIQAE DLFYQSSLAS WNYNTNITEE NVQNMNNAGD KWSAFLKEQS TLAQMYPLQE IQNLTVKLQL QALQQNGSS VLSEDKSKRL NTILNTMSTI YSTGKVCNPD NPQECLLLEP GLNEIMANSL DYNERLWAWE SWRSEVGKQL R PLYEEYVV ...String:
QSTIEEQAKT FLDFFNIQAE DLFYQSSLAS WNYNTNITEE NVQNMNNAGD KWSAFLKEQS TLAQMYPLQE IQNLTVKLQL QALQQNGSS VLSEDKSKRL NTILNTMSTI YSTGKVCNPD NPQECLLLEP GLNEIMANSL DYNERLWAWE SWRSEVGKQL R PLYEEYVV LKNEMARANH YEDYGDYWRG DYEVNGVDGY DYSRGQLIED VEHTFEEIKP LYEHLHAYVR AKLMNAYPSY IS PIGCLPA HLLGDMWGRF WTNLYSLTVP FGQKPNIDVT DAMVDQAWDA QRIFKEAEKF FVSVGLPNMT QGFWENSMLT DPG NVQKAV CHPTAWDLGK GDFRILMCTK VTMDDFLTAH HEMGHIQYDM AYAAQPFLLR NGANEGFHEA VGEIMSLSAA TPKH LKSIG LLSPDFQEDN ETEINFLLKQ ALTIVGTLPF TYMLEKWRWM VFKGEIPKDQ WMKKWWEMKR EIVGVVEPVP HDETY CDPA SLFHVSNDYS FIRYYTRTLY QFQFQEALCQ AAKHEGPLHK CDISNSTEAG QKLFNMLRLG KSEPWTLALE NVVGAK NMN VRPLLNYFEP LFTWLKDQNK NSFVGWSTDW SPYADQSIKV RISLKSALGD KAYEWNDNEM YLFRSSVAYA MRQYFLK VK NQMILFGEED VRVANLKPRI SFNFFVTAPK NVSDIIPRTE VEKAIRMSRS RINDAFRLND NSLEFLGIQP TLGPPNQP P VSTSSGGGGE NLYFQSSGGG SGGGEPKSCD KTHTCPPCPA PELLGGPSVF LFPPKPKDTL MISRTPEVTC VVVDVSHED PEVKFNWYVD GVEVHNAKTK PREEQYNSTY RVVSVLTVLH QDWLNGKEYK CKVSNKALPA PIEKTISKAK GQPREPQVYT LPPSRDELT KNQVSLTCLV KGFYPSDIAV EWESNGQPEN NYKTTPPVLD SDGSFFLYSK LTVDKSRWQQ GNVFSCSVMH E ALHNHYTQ KSLSLSPGKG GGGSGLNDIF EAQKIEWHEG

UniProtKB: Angiotensin-converting enzyme 2, Immunoglobulin gamma-1 heavy chain

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Macromolecule #3: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 3 / Number of copies: 7 / 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
Component:
ConcentrationFormulaName
10.0 mMC4H11NO3Tris-HCl
200.0 mMNaClSodium Chloride
GridModel: UltrAuFoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 120 sec. / Pretreatment - Atmosphere: AIR
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277.0 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeTFS KRIOS
Specialist opticsEnergy filter - Name: GIF Bioquantum / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Number grids imaged: 3 / Number real images: 10685 / Average electron dose: 66.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 1.8 µm / Nominal defocus min: 0.8 µm
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: NONE
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.5 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 61033
Initial angle assignmentType: NOT APPLICABLE
Final angle assignmentType: NOT APPLICABLE
Final 3D classificationSoftware - Name: cisTEM
FSC plot (resolution estimation)

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