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- EMDB-33786: Cryo-EM structure of the imetit-bound histamine H4 receptor and G... -

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Entry
Database: EMDB / ID: EMD-33786
TitleCryo-EM structure of the imetit-bound histamine H4 receptor and Gq complex
Map data
Sample
  • Complex: Imetit bound histamine h4 receptor in complex with Gq
    • Complex: Engineered G-alpha-q
      • Protein or peptide: Engineered G-alpha-q
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
    • Complex: scFv16
      • Protein or peptide: scFv16
    • Complex: Histamine H4 receptor
      • Protein or peptide: Histamine H4 receptor
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Complex: Nb35
      • Protein or peptide: Nb35
  • Ligand: 2-(1~{H}-imidazol-5-yl)ethyl carbamimidothioate
  • Ligand: CHOLESTEROL
KeywordsGPCR / Aminergic receptor / Histamine receptor / MEMBRANE PROTEIN
Function / homology
Function and homology information


Histamine receptors / histamine receptor activity / adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathway / neurotransmitter receptor activity / regulation of MAPK cascade / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / Olfactory Signaling Pathway / Activation of the phototransduction cascade / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors ...Histamine receptors / histamine receptor activity / adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathway / neurotransmitter receptor activity / regulation of MAPK cascade / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / Olfactory Signaling Pathway / Activation of the phototransduction cascade / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through CDC42 / Glucagon signaling in metabolic regulation / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / ADP signalling through P2Y purinoceptor 12 / photoreceptor disc membrane / Sensory perception of sweet, bitter, and umami (glutamate) taste / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / ADP signalling through P2Y purinoceptor 1 / G beta:gamma signalling through PI3Kgamma / adenylate cyclase-activating dopamine receptor signaling pathway / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / Inactivation, recovery and regulation of the phototransduction cascade / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / G alpha (12/13) signalling events / sensory perception of taste / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / retina development in camera-type eye / positive regulation of cytosolic calcium ion concentration / GTPase binding / Ca2+ pathway / fibroblast proliferation / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / chemical synaptic transmission / Ras protein signal transduction / Extra-nuclear estrogen signaling / cell population proliferation / G protein-coupled receptor signaling pathway / inflammatory response / lysosomal membrane / GTPase activity / synapse / dendrite / protein-containing complex binding / signal transduction / extracellular exosome / membrane / plasma membrane / cytoplasm / cytosol
Similarity search - Function
Histamine H4 receptor / G-protein, gamma subunit / G-protein gamma subunit domain profile. / G-protein gamma-like domain / G-protein gamma-like domain superfamily / GGL domain / G protein gamma subunit-like motifs / GGL domain / G protein beta WD-40 repeat protein / Guanine nucleotide-binding protein, beta subunit ...Histamine H4 receptor / G-protein, gamma subunit / G-protein gamma subunit domain profile. / G-protein gamma-like domain / G-protein gamma-like domain superfamily / GGL domain / G protein gamma subunit-like motifs / GGL domain / G protein beta WD-40 repeat protein / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / G-protein coupled receptors family 1 signature. / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / 7 transmembrane receptor (rhodopsin family) / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily
Similarity search - Domain/homology
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Histamine H4 receptor
Similarity search - Component
Biological speciesHomo sapiens (human) / Mus musculus (house mouse) / Lama glama (llama)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.1 Å
AuthorsIm D / Iwata S / Asada H
Funding support Japan, 1 items
OrganizationGrant numberCountry
Japan Agency for Medical Research and Development (AMED)JP21am0101079 Japan
CitationJournal: Nat Commun / Year: 2023
Title: Structural insights into the agonists binding and receptor selectivity of human histamine H receptor.
Authors: Dohyun Im / Jun-Ichi Kishikawa / Yuki Shiimura / Hiromi Hisano / Akane Ito / Yoko Fujita-Fujiharu / Yukihiko Sugita / Takeshi Noda / Takayuki Kato / Hidetsugu Asada / So Iwata /
Abstract: Histamine is a biogenic amine that participates in allergic and inflammatory processes by stimulating histamine receptors. The histamine H receptor (HR) is a potential therapeutic target for chronic ...Histamine is a biogenic amine that participates in allergic and inflammatory processes by stimulating histamine receptors. The histamine H receptor (HR) is a potential therapeutic target for chronic inflammatory diseases such as asthma and atopic dermatitis. Here, we show the cryo-electron microscopy structures of the HR-G complex bound with an endogenous agonist histamine or the selective agonist imetit bound in the orthosteric binding pocket. The structures demonstrate binding mode of histamine agonists and that the subtype-selective agonist binding causes conformational changes in Phe344, which, in turn, form the "aromatic slot". The results provide insights into the molecular underpinnings of the agonism of HR and subtype selectivity of histamine receptors, and show that the HR structures may be valuable in rational drug design of drugs targeting the HR.
History
DepositionJul 8, 2022-
Header (metadata) releaseOct 25, 2023-
Map releaseOct 25, 2023-
UpdateOct 16, 2024-
Current statusOct 16, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_33786.png

Downloads & links

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Map

FileDownload / File: emd_33786.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesX (Sec.)Y (Row.)Z (Col.)
0.88 Å/pix.
x 320 pix.
= 281.6 Å		0.88 Å/pix.
x 320 pix.
= 281.6 Å		0.88 Å/pix.
x 320 pix.
= 281.6 Å

Surface

Projections

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Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.88 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 4.5
Minimum - Maximum-47.620539999999998 - 59.882922999999998
Average (Standard dev.)0.000000000001487 (±1.0)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderZYX
Origin000
Dimensions320320320
Spacing320320320
CellA=B=C: 281.6 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_33786_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_33786_half_map_2.map
Projections & Slices
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Slices (1/2)
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Histogram (log scale)

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Sample components

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Entire : Imetit bound histamine h4 receptor in complex with Gq

EntireName: Imetit bound histamine h4 receptor in complex with Gq
Components
  • Complex: Imetit bound histamine h4 receptor in complex with Gq
    • Complex: Engineered G-alpha-q
      • Protein or peptide: Engineered G-alpha-q
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
    • Complex: scFv16
      • Protein or peptide: scFv16
    • Complex: Histamine H4 receptor
      • Protein or peptide: Histamine H4 receptor
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Complex: Nb35
      • Protein or peptide: Nb35
  • Ligand: 2-(1~{H}-imidazol-5-yl)ethyl carbamimidothioate
  • Ligand: CHOLESTEROL

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Supramolecule #1: Imetit bound histamine h4 receptor in complex with Gq

SupramoleculeName: Imetit bound histamine h4 receptor in complex with Gq / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#6
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 190 KDa

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Supramolecule #2: Engineered G-alpha-q

SupramoleculeName: Engineered G-alpha-q / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #3: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

SupramoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2
Source (natural)Organism: Mus musculus (house mouse)

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Supramolecule #4: scFv16

SupramoleculeName: scFv16 / type: complex / ID: 4 / Parent: 1 / Macromolecule list: #3
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #5: Histamine H4 receptor

SupramoleculeName: Histamine H4 receptor / type: complex / ID: 5 / Parent: 1 / Macromolecule list: #4
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #6: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

SupramoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: complex / ID: 6 / Parent: 1 / Macromolecule list: #5
Source (natural)Organism: Lama glama (llama)

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Supramolecule #7: Nb35

SupramoleculeName: Nb35 / type: complex / ID: 7 / Parent: 1 / Macromolecule list: #6

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Macromolecule #1: Engineered G-alpha-q

MacromoleculeName: Engineered G-alpha-q / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 41.724383 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MGCTLSAEDK AAVERSKMIE KQLQKDKQVY RRTLRLLLLG ADNSGKSTIV KQMRIYHVNG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDSA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI ...String:
MGCTLSAEDK AAVERSKMIE KQLQKDKQVY RRTLRLLLLG ADNSGKSTIV KQMRIYHVNG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDSA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI PTQQDVLRTR VKTSGIFETK FQVDKVNFHM FDVGAQRDER RKWIQCFNDV TAIIFVVDSS DYNRLQEALN DF KSIWNNR WLRTISVILF LNKQDLLAEK VLAGKSKIED YFPEFARYTT PEDATPEPGE DPRVTRAKYF IRKEFVDIST ASG DGRHIC YPHFTCSVDT ENARRIFNDC KDIILQMNLR EYNLV

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Macromolecule #2: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 42.282156 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MHHHHHHHHH HLEVLFQGPG SSGSELDQLR QEAEQLKNQI RDARKACADA TLSQITNNID PVGRIQMRTR RTLRGHLAKI YAMHWGTDS RLLVSASQDG KLIIWDSYTT NKVHAIPLRS SWVMTCAYAP SGNYVACGGL DNICSIYNLK TREGNVRVSR E LAGHTGYL ...String:
MHHHHHHHHH HLEVLFQGPG SSGSELDQLR QEAEQLKNQI RDARKACADA TLSQITNNID PVGRIQMRTR RTLRGHLAKI YAMHWGTDS RLLVSASQDG KLIIWDSYTT NKVHAIPLRS SWVMTCAYAP SGNYVACGGL DNICSIYNLK TREGNVRVSR E LAGHTGYL SCCRFLDDNQ IVTSSGDTTC ALWDIETGQQ TTTFTGHTGD VMSLSLAPDT RLFVSGACDA SAKLWDVREG MC RQTFTGH ESDINAICFF PNGNAFATGS DDATCRLFDL RADQELMTYS HDNIICGITS VSFSKSGRLL LAGYDDFNCN VWD ALKADR AGVLAGHDNR VSCLGVTDDG MAVATGSWDS FLKIWNGSSG GGGSGGGGSS GVSGWRLFKK IS

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

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Macromolecule #3: scFv16

MacromoleculeName: scFv16 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 27.784896 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS ...String:
DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS NGNTYLYWFL QRPGQSPQLL IYRMSNLASG VPDRFSGSGS GTAFTLTISR LEAEDVGVYY CMQHLEYPLT FG AGTKLEL KAAAHHHHHH HH

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Macromolecule #4: Histamine H4 receptor

MacromoleculeName: Histamine H4 receptor / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 62.137711 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MPDTNSTINL SLSTRVTLAF FMSLVAFAIM LGNALVILAF VVDKNLRHRS SYFFLNLAIS DFFVGVISIP LYIPHTLFEW DFGKEICVF WLTTDYLLCT ASVYNIVLIS YDRYLSVSNA VSYRTQHTGV LKIVTLMVAV WVLAFLVNGP MILVSESWKD E GSECEPGF ...String:
MPDTNSTINL SLSTRVTLAF FMSLVAFAIM LGNALVILAF VVDKNLRHRS SYFFLNLAIS DFFVGVISIP LYIPHTLFEW DFGKEICVF WLTTDYLLCT ASVYNIVLIS YDRYLSVSNA VSYRTQHTGV LKIVTLMVAV WVLAFLVNGP MILVSESWKD E GSECEPGF FSEWYILAIT SFLEFVIPVI LVAYFNMNIY WSLWKRDHLS RCQSHPGLTA VSSNICGHSF RGRLSSRRSL SA STEVPAS FHSERQRRKS SLMFSSRTKM NSNTIASKMG SFSQSDSVAL HQREHVELLR ARRLAKSLAI LLGVFAVCWA PYS LFTIVL SFYSSATGPK SVWYRIAFWL QWFNSFVNPL LYPLCHKRFQ KAFLKIFCIK KQPLPSQHSR SVSSVFTLED FVGD WEQTA AYNLDQVLEQ GGVSSLLQNL AVSVTPIQRI VRSGENALKI DIHVIIPYEG LSADQMAQIE EVFKVVYPVD DHHFK VILP YGTLVIDGVT PNMLNYFGRP YEGIAVFDGK KITVTGTLWN GNKIIDERLI TPDGSMLFRV TINS

UniProtKB: Histamine H4 receptor

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Macromolecule #5: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 7.861143 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI L

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

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Macromolecule #6: Nb35

MacromoleculeName: Nb35 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Lama glama (llama)
Molecular weightTheoretical: 14.016636 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MQVQLQESGG GLVQPGGSLR LSCAASGFTF SNYKMNWVRQ APGKGLEWVS DISQSGASIS YTGSVKGRFT ISRDNAKNTL YLQMNSLKP EDTAVYYCAR CPAPFTRDCF DVTSTTYAYR GQGTQVTVSS

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Macromolecule #7: 2-(1~{H}-imidazol-5-yl)ethyl carbamimidothioate

MacromoleculeName: 2-(1~{H}-imidazol-5-yl)ethyl carbamimidothioate / type: ligand / ID: 7 / Number of copies: 1 / Formula: ITF
Molecular weightTheoretical: 170.235 Da
Chemical component information

ChemComp-ITF:
2-(1~{H}-imidazol-5-yl)ethyl carbamimidothioate

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Macromolecule #8: CHOLESTEROL

MacromoleculeName: CHOLESTEROL / type: ligand / ID: 8 / Number of copies: 2 / Formula: CLR
Molecular weightTheoretical: 386.654 Da
Chemical component information

ChemComp-CLR:
CHOLESTEROL

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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

Concentration10 mg/mL
BufferpH: 7
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 / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.8 µm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7dfl

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 628467
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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