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- PDB-6nmi: Cryo-EM structure of the human TFIIH core complex -

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Basic information

Entry
Database: PDB / ID: 6nmi
TitleCryo-EM structure of the human TFIIH core complex
Components
  • (General transcription and DNA repair factor IIH helicase subunit ...) x 2
  • (General transcription factor IIH subunit ...) x 5
  • CDK-activating kinase assembly factor MAT1
KeywordsTRANSCRIPTION / DNA repair / helicase / multiprotein complex
Function / homology
Function and homology information


MMXD complex / core TFIIH complex portion of holo TFIIH complex / Cytosolic iron-sulfur cluster assembly / nucleotide-excision repair, DNA duplex unwinding / central nervous system myelin formation / positive regulation of mitotic recombination / hair follicle maturation / ventricular system development / hair cell differentiation / nucleotide-excision repair factor 3 complex ...MMXD complex / core TFIIH complex portion of holo TFIIH complex / Cytosolic iron-sulfur cluster assembly / nucleotide-excision repair, DNA duplex unwinding / central nervous system myelin formation / positive regulation of mitotic recombination / hair follicle maturation / ventricular system development / hair cell differentiation / nucleotide-excision repair factor 3 complex / nucleotide-excision repair, preincision complex assembly / CAK-ERCC2 complex / UV protection / transcription factor TFIIK complex / embryonic cleavage / DNA 5'-3' helicase / adult heart development / G protein-coupled receptor internalization / transcription factor TFIIH holo complex / transcription factor TFIIH core complex / cyclin-dependent protein serine/threonine kinase activator activity / DNA 3'-5' helicase / RNA Polymerase I Transcription Termination / transcription preinitiation complex / nuclear thyroid hormone receptor binding / regulation of mitotic cell cycle phase transition / hematopoietic stem cell proliferation / 3'-5' DNA helicase activity / regulation of cyclin-dependent protein serine/threonine kinase activity / RNA Pol II CTD phosphorylation and interaction with CE during HIV infection / RNA Pol II CTD phosphorylation and interaction with CE / transcription factor TFIID complex / Formation of the Early Elongation Complex / Formation of the HIV-1 Early Elongation Complex / RNA polymerase II general transcription initiation factor activity / bone mineralization / spinal cord development / mRNA Capping / HIV Transcription Initiation / RNA Polymerase II HIV Promoter Escape / Transcription of the HIV genome / RNA Polymerase II Promoter Escape / RNA Polymerase II Transcription Pre-Initiation And Promoter Opening / RNA Polymerase II Transcription Initiation / RNA Polymerase II Transcription Initiation And Promoter Clearance / erythrocyte maturation / regulation of G1/S transition of mitotic cell cycle / RNA Polymerase I Transcription Initiation / transcription by RNA polymerase I / ATPase activator activity / DNA topological change / intrinsic apoptotic signaling pathway by p53 class mediator / hematopoietic stem cell differentiation / Tat-mediated elongation of the HIV-1 transcript / embryonic organ development / transcription elongation by RNA polymerase I / Formation of HIV-1 elongation complex containing HIV-1 Tat / transcription-coupled nucleotide-excision repair / Formation of HIV elongation complex in the absence of HIV Tat / Cyclin E associated events during G1/S transition / RNA Polymerase II Transcription Elongation / Cyclin A/B1/B2 associated events during G2/M transition / cyclin-dependent protein kinase holoenzyme complex / Formation of RNA Pol II elongation complex / response to UV / Cyclin A:Cdk2-associated events at S phase entry / RNA Polymerase II Pre-transcription Events / DNA helicase activity / hormone-mediated signaling pathway / post-embryonic development / extracellular matrix organization / insulin-like growth factor receptor signaling pathway / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / determination of adult lifespan / isomerase activity / chromosome segregation / promoter-specific chromatin binding / TP53 Regulates Transcription of DNA Repair Genes / nucleotide-excision repair / transcription initiation at RNA polymerase II promoter / RNA Polymerase I Promoter Escape / transcription elongation by RNA polymerase II / positive regulation of smooth muscle cell proliferation / NoRC negatively regulates rRNA expression / multicellular organism growth / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / cellular response to gamma radiation / Dual Incision in GG-NER / Formation of Incision Complex in GG-NER / spindle / response to calcium ion / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / G1/S transition of mitotic cell cycle / Cyclin D associated events in G1 / protein localization / RUNX1 regulates transcription of genes involved in differentiation of HSCs / protein-macromolecule adaptor activity / 4 iron, 4 sulfur cluster binding
Similarity search - Function
TFB5-like / TFIIH subunit Tfb4/GTF2H3 / Transcription factor Tfb4 / TFIIH C1-like domain / Ssl1-like / TFIIH subunit Ssl1/p44 / Ssl1-like / TFIIH C1-like domain / TFIIH C1-like domain / TFIIH p62 subunit, N-terminal ...TFB5-like / TFIIH subunit Tfb4/GTF2H3 / Transcription factor Tfb4 / TFIIH C1-like domain / Ssl1-like / TFIIH subunit Ssl1/p44 / Ssl1-like / TFIIH C1-like domain / TFIIH C1-like domain / TFIIH p62 subunit, N-terminal / TFIIH subunit Tfb1/GTF2H1 / TFIIH p62 subunit, N-terminal domain / BSD domain / BSD domain superfamily / BSD domain / BSD domain profile. / domain in transcription factors and synapse-associated proteins / RAD3/XPD family / Helicase XPB/Ssl2 / ERCC3/RAD25/XPB helicase, C-terminal domain / Helicase XPB/Ssl2, N-terminal domain / Helicase conserved C-terminal domain / ERCC3/RAD25/XPB C-terminal helicase / Cdk-activating kinase assembly factor MAT1/Tfb3 / Cdk-activating kinase assembly factor MAT1, centre / CDK-activating kinase assembly factor MAT1 / Zinc finger, C3HC4 type (RING finger) / Helical and beta-bridge domain / Helical and beta-bridge domain / Transcription factor TFIIH subunit p52/Tfb2 / Transcription factor Tfb2, C-terminal domain / Transcription factor Tfb2 / Transcription factor Tfb2 (p52) C-terminal domain / TFIIH subunit TTDA/Tfb5 / TFB5-like superfamily / Transcription factor TFIIH complex subunit Tfb5 / Transcription factor TFIIH complex subunit Tfb5 / ATP-dependent helicase Rad3/Chl1-like / : / Helicase-like, DEXD box c2 type / ATP-dependent helicase, C-terminal / DEAD2 / Helicase superfamily 1/2, ATP-binding domain, DinG/Rad3-type / Helicase superfamily 1/2, DinG/Rad3-like / DEAD_2 / Helicase C-terminal domain / Superfamilies 1 and 2 helicase ATP-binding type-2 domain profile. / DEXDc2 / HELICc2 / Helicase/UvrB, N-terminal / Type III restriction enzyme, res subunit / Ubiquitin interacting motif / Ubiquitin-interacting motif (UIM) domain profile. / DNA/RNA helicase, ATP-dependent, DEAH-box type, conserved site / DEAH-box subfamily ATP-dependent helicases signature. / C1-like domain superfamily / von Willebrand factor (vWF) type A domain / VWFA domain profile. / von Willebrand factor, type A / Zinc finger, RING-type, conserved site / Zinc finger RING-type signature. / von Willebrand factor A-like domain superfamily / Ring finger / Zinc finger C2H2-type / Zinc finger RING-type profile. / Zinc finger, RING-type / helicase superfamily c-terminal domain / Superfamilies 1 and 2 helicase C-terminal domain profile. / Superfamilies 1 and 2 helicase ATP-binding type-1 domain profile. / DEAD-like helicases superfamily / Helicase, C-terminal / Helicase superfamily 1/2, ATP-binding domain / PH-like domain superfamily / Zinc finger, RING/FYVE/PHD-type / Alpha-Beta Plaits / P-loop containing nucleoside triphosphate hydrolase / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
IRON/SULFUR CLUSTER / General transcription and DNA repair factor IIH helicase subunit XPD / General transcription and DNA repair factor IIH helicase/translocase subunit XPB / General transcription factor IIH subunit 1 / CDK-activating kinase assembly factor MAT1 / General transcription factor IIH subunit 2 / General transcription factor IIH subunit 3 / General transcription factor IIH subunit 5 / General transcription factor IIH subunit 4
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.7 Å
AuthorsGreber, B.J. / Toso, D. / Fang, J. / Nogales, E.
Funding support United States, Switzerland, 4items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01-GM63072 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)P01-GM063210 United States
Swiss National Science FoundationP300PA_160983 Switzerland
Swiss National Science FoundationP300PA_174355 Switzerland
CitationJournal: Elife / Year: 2019
Title: The complete structure of the human TFIIH core complex.
Authors: Basil J Greber / Daniel B Toso / Jie Fang / Eva Nogales /
Abstract: Transcription factor IIH (TFIIH) is a heterodecameric protein complex critical for transcription initiation by RNA polymerase II and nucleotide excision DNA repair. The TFIIH core complex is ...Transcription factor IIH (TFIIH) is a heterodecameric protein complex critical for transcription initiation by RNA polymerase II and nucleotide excision DNA repair. The TFIIH core complex is sufficient for its repair functions and harbors the XPB and XPD DNA-dependent ATPase/helicase subunits, which are affected by human disease mutations. Transcription initiation additionally requires the CdK activating kinase subcomplex. Previous structural work has provided only partial insight into the architecture of TFIIH and its interactions within transcription pre-initiation complexes. Here, we present the complete structure of the human TFIIH core complex, determined by phase-plate cryo-electron microscopy at 3.7 Å resolution. The structure uncovers the molecular basis of TFIIH assembly, revealing how the recruitment of XPB by p52 depends on a pseudo-symmetric dimer of homologous domains in these two proteins. The structure also suggests a function for p62 in the regulation of XPD, and allows the mapping of previously unresolved human disease mutations.
History
DepositionJan 10, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 13, 2019Provider: repository / Type: Initial release
Revision 1.1Mar 27, 2019Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.pdbx_database_id_DOI ..._citation.journal_volume / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID / _citation_author.name
Revision 1.2Dec 18, 2019Group: Author supporting evidence / Other / Category: atom_sites / pdbx_audit_support
Item: _atom_sites.fract_transf_matrix[1][1] / _atom_sites.fract_transf_matrix[2][2] ..._atom_sites.fract_transf_matrix[1][1] / _atom_sites.fract_transf_matrix[2][2] / _atom_sites.fract_transf_matrix[3][3] / _pdbx_audit_support.funding_organization

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Structure visualization

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Assembly

Deposited unit
A: General transcription and DNA repair factor IIH helicase subunit XPB
B: General transcription and DNA repair factor IIH helicase subunit XPD
C: General transcription factor IIH subunit 1, p62
D: General transcription factor IIH subunit 4, p52
E: General transcription factor IIH subunit 2, p44
F: General transcription factor IIH subunit 3, p34
G: General transcription factor IIH subunit 5, p8
H: CDK-activating kinase assembly factor MAT1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)389,38915
Polymers388,6458
Non-polymers7447
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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General transcription and DNA repair factor IIH helicase subunit ... , 2 types, 2 molecules AB

#1: Protein General transcription and DNA repair factor IIH helicase subunit XPB


Mass: 74233.492 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HeLa / References: UniProt: P19447*PLUS, DNA helicase
#2: Protein General transcription and DNA repair factor IIH helicase subunit XPD


Mass: 86417.766 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HeLa / References: UniProt: P18074*PLUS

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General transcription factor IIH subunit ... , 5 types, 5 molecules CDEFG

#3: Protein General transcription factor IIH subunit 1, p62


Mass: 57789.000 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HeLa / References: UniProt: P32780*PLUS
#4: Protein General transcription factor IIH subunit 4, p52 / Basic transcription factor 2 52 kDa subunit / BTF2 p52 / General transcription factor IIH ...Basic transcription factor 2 52 kDa subunit / BTF2 p52 / General transcription factor IIH polypeptide 4 / TFIIH basal transcription factor complex p52 subunit


Mass: 52245.156 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HeLa / References: UniProt: Q92759
#5: Protein General transcription factor IIH subunit 2, p44


Mass: 39609.098 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HeLa / References: UniProt: Q13888*PLUS
#6: Protein General transcription factor IIH subunit 3, p34 / p34 / BASIC TRANSCRIPTION FACTOR 2 34 KDA SUBUNIT / BTF2 P34 / GENERAL TRANSCRIPTION FACTOR IIH ...p34 / BASIC TRANSCRIPTION FACTOR 2 34 KDA SUBUNIT / BTF2 P34 / GENERAL TRANSCRIPTION FACTOR IIH POLYPEPTIDE 3 / TFIIH BASAL TRANSCRIPTION FACTOR COMPLEX P34 SUBUNIT


Mass: 34416.008 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HeLa / References: UniProt: Q13889
#7: Protein General transcription factor IIH subunit 5, p8 / General transcription factor IIH polypeptide 5 / TFB5 ortholog / TFIIH basal transcription factor ...General transcription factor IIH polypeptide 5 / TFB5 ortholog / TFIIH basal transcription factor complex TTD-A subunit


Mass: 8060.362 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HeLa / References: UniProt: Q6ZYL4

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Protein , 1 types, 1 molecules H

#8: Protein CDK-activating kinase assembly factor MAT1 / CDK7/cyclin-H assembly factor / Cyclin-G1-interacting protein / Menage a trois / RING finger ...CDK7/cyclin-H assembly factor / Cyclin-G1-interacting protein / Menage a trois / RING finger protein 66 / RING finger protein MAT1 / p35 / p36


Mass: 35873.965 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / Cell line: HeLa / References: UniProt: P51948

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Non-polymers , 2 types, 7 molecules

#9: Chemical ChemComp-SF4 / IRON/SULFUR CLUSTER


Mass: 351.640 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Fe4S4
#10: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: Zn

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Details

Sequence detailsThe full sequence for General transcription factor IIH subunit 1, p62 ...The full sequence for General transcription factor IIH subunit 1, p62 MATSSEEVLLIVKKVRQKKQDGALYLMAERIAWAPEGKDRFTISHMYADIKCQKISPEGK AKIQLQLVLHAGDTTNFHFSNESTAVKERDAVKDLLQQLLPKFKRKANKELEEKNRMLQE DPVLFQLYKDLVVSQVISAEEFWANRLNVNATDSSSTSNHKQDVGISAAFLADVRPQTDG CNGLRYNLTSDIIESIFRTYPAVKMKYAENVPHNMTEKEFWTRFFQSHYFHRDRLNTGSK DLFAECAKIDEKGLKTMVSLGVKNPLLDLTALEDKPLDEGYGISSVPSASNSKSIKENSN AAIIKRFNHHSAMVLAAGLRKQEAQNEQTSEPSNMDGNSGDADCFQPAVKRAKLQESIEY EDLGKNNSVKTIALNLKKSDRYYHGPTPIQSLQYATSQDIINSFQSIRQEMEAYTPKLTQ VLSSSAASSTITALSPGGALMQGGTQQAINQMVPNDIQSELKHLYVAVGELLRHFWSCFP VNTPFLEEKVVKMKSNLERFQVTKLCPFQEKIRRQYLSTNLVSHIEEMLQTAYNKLHTWQ SRRLMKKT General transcription and DNA repair factor IIH helicase subunit XPB MGKRDRADRDKKKSRKRHYEDEEDDEEDAPGNDPQEAVPSAAGKQVDESGTKVDEYGAKD YRLQMPLKDDHTSRPLWVAPDGHIFLEAFSPVYKYAQDFLVAIAEPVCRPTHVHEYKLTA YSLYAAVSVGLQTSDITEYLRKLSKTGVPDGIMQFIKLCTVSYGKVKLVLKHNRYFVESC HPDVIQHLLQDPVIRECRLRNSEGEATELITETFTSKSAISKTAESSGGPSTSRVTDPQG KSDIPMDLFDFYEQMDKDEEEEEETQTVSFEVKQEMIEELQKRCIHLEYPLLAEYDFRND SVNPDINIDLKPTAVLRPYQEKSLRKMFGNGRARSGVIVLPCGAGKSLVGVTAACTVRKR CLVLGNSAVSVEQWKAQFKMWSTIDDSQICRFTSDAKDKPIGCSVAISTYSMLGHTTKRS WEAERVMEWLKTQEWGLMILDEVHTIPAKMFRRVLTIVQAHCKLGLTATLVREDDKIVDL NFLIGPKLYEANWMELQNNGYIAKVQCAEVWCPMSPEFYREYVAIKTKKRILLYTMNPNK FRACQFLIKFHERRNDKIIVFADNVFALKEYAIRLNKPYIYGPTSQGERMQILQNFKHNP KINTIFISKVGDTSFDLPEANVLIQISSHGGSRRQEAQRLGRVLRAKKGMVAEEYNAFFY SLVSQDTQEMAYSTKRQRFLVDQGYSFKVITKLAGMEEEDLAFSTKEEQQQLLQKVLAAT DLDAEEEVVAGEFGSRSSQASRRFGTMSSMSGADDTVYMEYHSSRSKAPSKHVHPLFKRF RK General transcription factor IIH subunit 1 MATSSEEVLLIVKKVRQKKQDGALYLMAERIAWAPEGKDRFTISHMYADIKCQKISPEGK AKIQLQLVLHAGDTTNFHFSNESTAVKERDAVKDLLQQLLPKFKRKANKELEEKNRMLQE DPVLFQLYKDLVVSQVISAEEFWANRLNVNATDSSSTSNHKQDVGISAAFLADVRPQTDG CNGLRYNLTSDIIESIFRTYPAVKMKYAENVPHNMTEKEFWTRFFQSHYFHRDRLNTGSK DLFAECAKIDEKGLKTMVSLGVKNPLLDLTALEDKPLDEGYGISSVPSASNSKSIKENSN AAIIKRFNHHSAMVLAAGLRKQEAQNEQTSEPSNMDGNSGDADCFQPAVKRAKLQESIEY EDLGKNNSVKTIALNLKKSDRYYHGPTPIQSLQYATSQDIINSFQSIRQEMEAYTPKLTQ VLSSSAASSTITALSPGGALMQGGTQQAINQMVPNDIQSELKHLYVAVGELLRHFWSCFP VNTPFLEEKVVKMKSNLERFQVTKLCPFQEKIRRQYLSTNLVSHIEEMLQTAYNKLHTWQ SRRLMKKT General transcription and DNA repair factor IIH helicase subunit XPD MKLNVDGLLVYFPYDYIYPEQFSYMRELKRTLDAKGHGVLEMPSGTGKTVSLLALIMAYQ RAYPLEVTKLIYCSRTVPEIEKVIEELRKLLNFYEKQEGEKLPFLGLALSSRKNLCIHPE VTPLRFGKDVDGKCHSLTASYVRAQYQHDTSLPHCRFYEEFDAHGREVPLPAGIYNLDDL KALGRRQGWCPYFLARYSILHANVVVYSYHYLLDPKIADLVSKELARKAVVVFDEAHNID NVCIDSMSVNLTRRTLDRCQGNLETLQKTVLRIKETDEQRLRDEYRRLVEGLREASAARE TDAHLANPVLPDEVLQEAVPGSIRTAEHFLGFLRRLLEYVKWRLRVQHVVQESPPAFLSG LAQRVCIQRKPLRFCAERLRSLLHTLEITDLADFSPLTLLANFATLVSTYAKGFTIIIEP FDDRTPTIANPILHFSCMDASLAIKPVFERFQSVIITSGTLSPLDIYPKILDFHPVTMAT FTMTLARVCLCPMIIGRGNDQVAISSKFETREDIAVIRNYGNLLLEMSAVVPDGIVAFFT SYQYMESTVASWYEQGILENIQRNKLLFIETQDGAETSVALEKYQEACENGRGAILLSVA RGKVSEGIDFVHHYGRAVIMFGVPYVYTQSRILKARLEYLRDQFQIRENDFLTFDAMRHA AQCVGRAIRGKTDYGLMVFADKRFARGDKRGKLPRWIQEHLTDANLNLTVDEGVQVAKYF LRQMAQPFHREDQLGLSLLSLEQLESEETLKRIEQIAQQL

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Transcription factor IIH (TFIIH) / Type: COMPLEX / Entity ID: #1-#8 / Source: NATURAL
Molecular weightValue: 0.5 MDa / Experimental value: NO
Source (natural)Organism: Homo sapiens (human)
Buffer solutionpH: 7.9
Buffer component
IDConc.NameBuffer-ID
120 mMHepes-KOH1
2150 mMSodium chloride1
35 mMMagnesium chloride1
40.015 %NP40 substitute1
51.5 %Glycerol1
62 %Trehalose1
SpecimenConc.: 0.0049 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportDetails: Gatan Solarus / Grid material: COPPER / Grid mesh size: 400 divisions/in. / Grid type: C-flat
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K
Details: A thin film of continuous carbon was floated onto Protochips C-flat CF-4/2 holey carbon grids and glow discharged or plasma cleaned before application of 4 uL of sample solution.

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS / Details: Residual beam tilt corrected in RELION 3.
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Calibrated magnification: 43478 X / Nominal defocus max: 700 nm / Nominal defocus min: 500 nm / Cs: 2.7 mm / Alignment procedure: COMA FREE
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingAverage exposure time: 8.25 sec. / Electron dose: 50 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Num. of grids imaged: 7 / Num. of real images: 21437
Details: Images were collected as dose-fractionated movie frames (33 or 50 frames per exposure).
EM imaging opticsEnergyfilter name: GIF Quantum LS / Energyfilter slit width: 20 eV
Phase plate: A Thermo Fisher Scientific Volta Phase Plate was used.

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Processing

SoftwareName: PHENIX / Version: 1.14_3211: / Classification: refinement
EM software
IDNameVersionCategoryDetails
2SerialEMimage acquisition
4GctfCTF correctionCTF determination
5RELION3CTF correctionCTF correction
8UCSF Chimeramodel fittingInitial fitting
9Cootmodel fittingRebuilding
10Omodel fittingRebuilding
12RELION3initial Euler assignment
13RELION3final Euler assignment
14RELION3classification
15RELION33D reconstruction
16PHENIXmodel refinementReal Space Refine
CTF correctionDetails: CTF correction during 3D reconstruction in RELION 3.
Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 138659 / Algorithm: FOURIER SPACE / Symmetry type: POINT
Atomic model buildingProtocol: RIGID BODY FIT / Space: REAL
Details: Reference structures and homology models were docked and subsequently completely rebuilt according to the density. Parts of the structure were traced de novo.
Atomic model building
IDPDB-ID 3D fitting-ID
15OF4

5of4

1
24ERN

4ern

1
35OQJ

5oqj

1
41G25

1g25

1
55O85

5o85

1
62DII

2dii

1
72JNJ

2jnj

1

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