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- PDB-7vbc: Back track state of human RNA Polymerase I Elongation Complex -

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Entry
Database: PDB / ID: 7vbc
TitleBack track state of human RNA Polymerase I Elongation Complex
Components
  • (DNA-directed RNA polymerase I subunit ...) x 6
  • (DNA-directed RNA polymerases I and III subunit ...) x 2
  • (DNA-directed RNA polymerases I, II, and III subunit ...) x 5
  • DNA (5'-D(*GP*TP*AP*CP*TP*GP*TP*CP*CP*TP*CP*TP*GP*G)-3')
  • DNA (5'-D(P*AP*GP*GP*AP*CP*AP*GP*CP*GP*TP*GP*TP*CP*AP*GP*CP*AP*AP*TP*A)-3')
  • RNA (5'-R(P*UP*GP*CP*UP*GP*A)-3')
KeywordsTRANSCRIPTION/DNA/RNA / RNA Polymerase I / transcription / back track state / TRANSCRIPTION-DNA-RNA complex
Function / homology
Function and homology information


RNA polymerase I transcription regulator complex / negative regulation of protein localization to nucleolus / nucleologenesis / neural crest formation / RNA Polymerase III Chain Elongation / RNA Polymerase III Transcription Termination / DNA/RNA hybrid binding / regulation of transcription by RNA polymerase I / RPAP3/R2TP/prefoldin-like complex / RNA polymerase I general transcription initiation factor binding ...RNA polymerase I transcription regulator complex / negative regulation of protein localization to nucleolus / nucleologenesis / neural crest formation / RNA Polymerase III Chain Elongation / RNA Polymerase III Transcription Termination / DNA/RNA hybrid binding / regulation of transcription by RNA polymerase I / RPAP3/R2TP/prefoldin-like complex / RNA polymerase I general transcription initiation factor binding / Cytosolic sensors of pathogen-associated DNA / RNA Polymerase III Transcription Initiation From Type 1 Promoter / RNA Polymerase III Transcription Initiation From Type 2 Promoter / RNA Polymerase III Transcription Initiation From Type 3 Promoter / RNA Polymerase III Abortive And Retractive Initiation / RNA polymerase I preinitiation complex assembly / Abortive elongation of HIV-1 transcript in the absence of Tat / nucleobase-containing compound metabolic process / RNA Polymerase I Transcription Termination / FGFR2 alternative splicing / MicroRNA (miRNA) biogenesis / Signaling by FGFR2 IIIa TM / Viral Messenger RNA Synthesis / RNA Pol II CTD phosphorylation and interaction with CE during HIV infection / RNA Pol II CTD phosphorylation and interaction with CE / Formation of the Early Elongation Complex / Formation of the HIV-1 Early Elongation Complex / mRNA Capping / PIWI-interacting RNA (piRNA) biogenesis / 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 / RNA polymerase III activity / termination of RNA polymerase I transcription / nucleolar large rRNA transcription by RNA polymerase I / mRNA Splicing - Minor Pathway / RNA Polymerase I Transcription Initiation / Pausing and recovery of Tat-mediated HIV elongation / Tat-mediated HIV elongation arrest and recovery / transcription by RNA polymerase I / transcription initiation at RNA polymerase I promoter / rRNA transcription / HIV elongation arrest and recovery / Pausing and recovery of HIV elongation / Processing of Capped Intron-Containing Pre-mRNA / transcription by RNA polymerase III / RNA polymerase II transcribes snRNA genes / Tat-mediated elongation of the HIV-1 transcript / transcription elongation by RNA polymerase I / Formation of HIV-1 elongation complex containing HIV-1 Tat / tRNA transcription by RNA polymerase III / RNA polymerase I activity / RNA polymerase I complex / RNA polymerase III complex / Formation of HIV elongation complex in the absence of HIV Tat / RNA polymerase II, core complex / RNA Polymerase II Transcription Elongation / Formation of RNA Pol II elongation complex / cell surface receptor protein tyrosine kinase signaling pathway / RNA Polymerase II Pre-transcription Events / Inhibition of DNA recombination at telomere / embryo implantation / mRNA Splicing - Major Pathway / protein-DNA complex / cellular response to leukemia inhibitory factor / DNA-templated transcription initiation / TP53 Regulates Transcription of DNA Repair Genes / RNA Polymerase I Promoter Escape / Transcriptional regulation by small RNAs / NoRC negatively regulates rRNA expression / B-WICH complex positively regulates rRNA expression / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / ribonucleoside binding / fibrillar center / DNA-directed 5'-3' RNA polymerase activity / Activation of anterior HOX genes in hindbrain development during early embryogenesis / DNA-directed RNA polymerase / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / single-stranded DNA binding / chromosome / Estrogen-dependent gene expression / transcription by RNA polymerase II / nucleic acid binding / protein dimerization activity / protein stabilization / chromatin binding / nucleolus / magnesium ion binding / mitochondrion / DNA binding / RNA binding / zinc ion binding / nucleoplasm / nucleus
Similarity search - Function
DNA-directed RNA polymerase I, subunit RPA34.5 / DNA-directed RNA polymerase I subunit RPA34.5 / RNA polymerase I associated factor, A49-like / A49-like RNA polymerase I associated factor / Rpa43, N-terminal ribonucleoprotein (RNP) domain / RPA43, OB domain / RPA43 OB domain in RNA Pol I / DNA-directed RNA polymerase I subunit RPA2, domain 4 / DNA-directed RNA pol I, largest subunit / Pol I subunit A12, C-terminal zinc ribbon ...DNA-directed RNA polymerase I, subunit RPA34.5 / DNA-directed RNA polymerase I subunit RPA34.5 / RNA polymerase I associated factor, A49-like / A49-like RNA polymerase I associated factor / Rpa43, N-terminal ribonucleoprotein (RNP) domain / RPA43, OB domain / RPA43 OB domain in RNA Pol I / DNA-directed RNA polymerase I subunit RPA2, domain 4 / DNA-directed RNA pol I, largest subunit / Pol I subunit A12, C-terminal zinc ribbon / : / RNA polymerase I, Rpa2 specific domain / DNA-directed RNA polymerases I and III subunit AC19 / DNA-directed RNA polymerases I and III subunit AC40 / Zinc finger TFIIS-type signature. / RNA polymerase Rpb7-like , N-terminal / RNA polymerase Rpb7-like, N-terminal domain superfamily / RNA polymerase subunit Rpb7-like / SHS2 domain found in N terminus of Rpb7p/Rpc25p/MJ0397 / DNA-directed RNA polymerase subunit RPABC5/Rpb10 / RNA polymerases, subunit N, zinc binding site / RNA polymerase subunit RPB10 / RNA polymerases N / 8 kDa subunit / RNA polymerases N / 8 Kd subunits signature. / DNA-directed RNA polymerase M, 15kDa subunit, conserved site / RNA polymerases M / 15 Kd subunits signature. / DNA-directed RNA polymerase subunit/transcription factor S / : / RNA polymerase, Rpb8 / DNA-directed RNA polymerases I, II, and III subunit RPABC4 / RNA polymerase Rpb8 / RNA polymerase subunit 8 / RNA polymerase, Rpb5, N-terminal / RNA polymerase Rpb5, N-terminal domain superfamily / RNA polymerase Rpb5, N-terminal domain / DNA-directed RNA polymerase, subunit RPB6 / DNA directed RNA polymerase, 7 kDa subunit / RNA polymerase archaeal subunit P/eukaryotic subunit RPABC4 / RNA polymerase, subunit H/Rpb5, conserved site / RNA polymerases H / 23 Kd subunits signature. / RNA polymerase subunit CX / DNA-directed RNA polymerase, 30-40kDa subunit, conserved site / DNA-directed RNA polymerase subunit Rpo3/Rpb3/RPAC1 / RNA polymerases D / 30 to 40 Kd subunits signature. / DNA-directed RNA polymerase Rpb11, 13-16kDa subunit, conserved site / DNA-directed RNA polymerase subunit Rpo11 / RNA polymerases L / 13 to 16 Kd subunits signature. / Zinc finger, TFIIS-type / DNA-directed RNA polymerase subunit Rpo5/Rpb5 / Transcription factor S-II (TFIIS) / Zinc finger TFIIS-type profile. / C2C2 Zinc finger / DNA-directed RNA polymerase, RBP11-like dimerisation domain / RNA polymerase Rpb3/Rpb11 dimerisation domain / RNA polymerase, subunit H/Rpb5 C-terminal / RNA polymerase subunit RPABC4/transcription elongation factor Spt4 / RPB5-like RNA polymerase subunit superfamily / RNA polymerase Rpb5, C-terminal domain / Archaeal Rpo6/eukaryotic RPB6 RNA polymerase subunit / DNA-directed RNA polymerase, 14-18kDa subunit, conserved site / RNA polymerases K / 14 to 18 Kd subunits signature. / RNA polymerase Rpb6 / RNA polymerase, subunit omega/Rpo6/RPB6 / RNA polymerase Rpb6 / RNA polymerase Rpb1, domain 3 superfamily / RPB6/omega subunit-like superfamily / RNA polymerase Rpb1, clamp domain superfamily / RNA polymerase Rpb2, domain 2 superfamily / RNA polymerase Rpb1, domain 3 / RNA polymerase Rpb1, domain 3 / DNA-directed RNA polymerase, subunit beta-prime / RNA polymerase Rpb1, domain 1 / RNA polymerase Rpb1, domain 1 / RNA polymerase, alpha subunit / RNA polymerase Rpb1, domain 5 / RNA polymerase Rpb1, domain 4 / RNA polymerase Rpb1, domain 2 / RNA polymerase Rpb1, domain 5 / RNA polymerase Rpb1, domain 4 / RNA polymerase, beta subunit, protrusion / RNA polymerase beta subunit / RNA polymerase, N-terminal / RNA polymerase Rpb1, funnel domain superfamily / RNA polymerase I subunit A N-terminus / DNA-directed RNA polymerase, insert domain / DNA-directed RNA polymerase, RpoA/D/Rpb3-type / RNA polymerase Rpb3/RpoA insert domain / RNA polymerase Rpb3/Rpb11 dimerisation domain / RNA polymerases D / DNA-directed RNA polymerase, insert domain superfamily / RNA polymerase, RBP11-like subunit / RNA polymerase Rpb2, domain 2 / RNA polymerase Rpb2, domain 2 / RNA polymerase, beta subunit, conserved site / RNA polymerase Rpb2, domain 7 / RNA polymerase Rpb2, domain 3 / RNA polymerase Rpb2, OB-fold / RNA polymerase Rpb2, domain 7 / RNA polymerase Rpb2, domain 3 / RNA polymerases beta chain signature.
Similarity search - Domain/homology
DNA / DNA (> 10) / RNA / DNA-directed RNA polymerases I and III subunit RPAC1 / DNA-directed RNA polymerase I subunit RPA34 / DNA-directed RNA polymerase I subunit RPA1 / DNA-directed RNA polymerases I and III subunit RPAC2 / DNA-directed RNA polymerases I, II, and III subunit RPABC1 / DNA-directed RNA polymerases I, II, and III subunit RPABC3 / DNA-directed RNA polymerases I, II, and III subunit RPABC4 ...DNA / DNA (> 10) / RNA / DNA-directed RNA polymerases I and III subunit RPAC1 / DNA-directed RNA polymerase I subunit RPA34 / DNA-directed RNA polymerase I subunit RPA1 / DNA-directed RNA polymerases I and III subunit RPAC2 / DNA-directed RNA polymerases I, II, and III subunit RPABC1 / DNA-directed RNA polymerases I, II, and III subunit RPABC3 / DNA-directed RNA polymerases I, II, and III subunit RPABC4 / DNA-directed RNA polymerases I, II, and III subunit RPABC2 / DNA-directed RNA polymerases I, II, and III subunit RPABC5 / DNA-directed RNA polymerase I subunit RPA43 / DNA-directed RNA polymerase I subunit RPA49 / DNA-directed RNA polymerase I subunit RPA2 / DNA-directed RNA polymerase I subunit RPA12
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.01 Å
AuthorsZhao, D. / Liu, W. / Chen, K. / Yang, H. / Xu, Y.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: Cell Discov / Year: 2021
Title: Structure of the human RNA polymerase I elongation complex.
Authors: Dan Zhao / Weida Liu / Ke Chen / Zihan Wu / Huirong Yang / Yanhui Xu /
Abstract: Eukaryotic RNA polymerase I (Pol I) transcribes ribosomal DNA and generates RNA for ribosome synthesis. Pol I accounts for the majority of cellular transcription activity and dysregulation of Pol I ...Eukaryotic RNA polymerase I (Pol I) transcribes ribosomal DNA and generates RNA for ribosome synthesis. Pol I accounts for the majority of cellular transcription activity and dysregulation of Pol I transcription leads to cancers and ribosomopathies. Despite extensive structural studies of yeast Pol I, structure of human Pol I remains unsolved. Here we determined the structures of the human Pol I in the pre-translocation, post-translocation, and backtracked states at near-atomic resolution. The single-subunit peripheral stalk lacks contacts with the DNA-binding clamp and is more flexible than the two-subunit stalk in yeast Pol I. Compared to yeast Pol I, human Pol I possesses a more closed clamp, which makes more contacts with DNA. The Pol I structure in the post-cleavage backtracked state shows that the C-terminal zinc ribbon of RPA12 inserts into an open funnel and facilitates "dinucleotide cleavage" on mismatched DNA-RNA hybrid. Critical disease-associated mutations are mapped on Pol I regions that are involved in catalysis and complex organization. In summary, the structures provide new sights into human Pol I complex organization and efficient proofreading.
History
DepositionAug 31, 2021Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Feb 16, 2022Provider: repository / Type: Initial release
Revision 1.1Jun 19, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Assembly

Deposited unit
A: DNA-directed RNA polymerase I subunit RPA1
B: DNA-directed RNA polymerase I subunit RPA2
C: DNA-directed RNA polymerases I and III subunit RPAC1
E: DNA-directed RNA polymerases I, II, and III subunit RPABC1
F: DNA-directed RNA polymerases I, II, and III subunit RPABC2
H: DNA-directed RNA polymerases I, II, and III subunit RPABC3
J: DNA-directed RNA polymerases I, II, and III subunit RPABC5
K: DNA-directed RNA polymerases I and III subunit RPAC2
L: DNA-directed RNA polymerases I, II, and III subunit RPABC4
N: DNA-directed RNA polymerase I subunit RPA34
G: DNA-directed RNA polymerase I subunit RPA43
M: DNA-directed RNA polymerase I subunit RPA49
I: DNA-directed RNA polymerase I subunit RPA12
R: RNA (5'-R(P*UP*GP*CP*UP*GP*A)-3')
T: DNA (5'-D(P*AP*GP*GP*AP*CP*AP*GP*CP*GP*TP*GP*TP*CP*AP*GP*CP*AP*AP*TP*A)-3')
U: DNA (5'-D(*GP*TP*AP*CP*TP*GP*TP*CP*CP*TP*CP*TP*GP*G)-3')
hetero molecules


Theoretical massNumber of molelcules
Total (without water)615,26522
Polymers614,91416
Non-polymers3516
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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DNA-directed RNA polymerase I subunit ... , 6 types, 6 molecules ABNGMI

#1: Protein DNA-directed RNA polymerase I subunit RPA1 / RNA polymerase I subunit A1 / A190 / DNA-directed RNA polymerase I largest subunit / DNA-directed ...RNA polymerase I subunit A1 / A190 / DNA-directed RNA polymerase I largest subunit / DNA-directed RNA polymerase I subunit A / RNA polymerase I 194 kDa subunit / RPA194


Mass: 194911.859 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR1A / Production host: Homo sapiens (human) / References: UniProt: O95602, DNA-directed RNA polymerase
#2: Protein DNA-directed RNA polymerase I subunit RPA2 / RNA polymerase I subunit 2 / DNA-directed RNA polymerase I 135 kDa polypeptide / RPA135


Mass: 128379.219 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR1B / Production host: Homo sapiens (human) / References: UniProt: Q9H9Y6, DNA-directed RNA polymerase
#10: Protein DNA-directed RNA polymerase I subunit RPA34 / A34.5 / Antisense to ERCC-1 protein / ASE-1 / CD3-epsilon-associated protein / CD3E-associated ...A34.5 / Antisense to ERCC-1 protein / ASE-1 / CD3-epsilon-associated protein / CD3E-associated protein / DNA-directed RNA polymerase I subunit G / RNA polymerase I-associated factor PAF49


Mass: 55065.523 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR1G, ASE1, CAST, CD3EAP, PAF49 / Production host: Homo sapiens (human) / References: UniProt: O15446
#11: Protein DNA-directed RNA polymerase I subunit RPA43 / DNA-directed RNA polymerase I subunit F / Twist neighbor protein


Mass: 37490.379 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR1F, TWISTNB / Production host: Homo sapiens (human) / References: UniProt: Q3B726
#12: Protein DNA-directed RNA polymerase I subunit RPA49 / RNA polymerase I subunit A49 / DNA-directed RNA polymerase I subunit E / RNA polymerase I- ...RNA polymerase I subunit A49 / DNA-directed RNA polymerase I subunit E / RNA polymerase I-associated factor 1 / RNA polymerase I-associated factor 53


Mass: 47330.234 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR1E, PAF53, PRAF1 / Production host: Homo sapiens (human) / References: UniProt: Q9GZS1
#13: Protein DNA-directed RNA polymerase I subunit RPA12 / DNA-directed RNA polymerase I subunit H / Zinc ribbon domain-containing protein 1


Mass: 13917.695 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR1H, RPA12, ZNRD1 / Production host: Homo sapiens (human) / References: UniProt: Q9P1U0

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DNA-directed RNA polymerases I and III subunit ... , 2 types, 2 molecules CK

#3: Protein DNA-directed RNA polymerases I and III subunit RPAC1 / RNA polymerases I and III subunit AC1 / AC40 / DNA-directed RNA polymerases I and III 40 kDa ...RNA polymerases I and III subunit AC1 / AC40 / DNA-directed RNA polymerases I and III 40 kDa polypeptide / RPA40 / RPA39 / RPC40


Mass: 39301.672 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR1C, POLR1E / Production host: Homo sapiens (human) / References: UniProt: O15160
#8: Protein DNA-directed RNA polymerases I and III subunit RPAC2 / RNA polymerases I and III subunit AC2 / AC19 / DNA-directed RNA polymerase I subunit D / RNA ...RNA polymerases I and III subunit AC2 / AC19 / DNA-directed RNA polymerase I subunit D / RNA polymerase I 16 kDa subunit / RPA16 / RPC16 / hRPA19


Mass: 15259.222 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR1D / Production host: Homo sapiens (human) / References: UniProt: P0DPB6

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DNA-directed RNA polymerases I, II, and III subunit ... , 5 types, 5 molecules EFHJL

#4: Protein DNA-directed RNA polymerases I, II, and III subunit RPABC1 / RNA polymerases I / II / and III subunit ABC1 / DNA-directed RNA polymerase II 23 kDa polypeptide / ...RNA polymerases I / II / and III subunit ABC1 / DNA-directed RNA polymerase II 23 kDa polypeptide / DNA-directed RNA polymerase II subunit E / RPB5 homolog / XAP4


Mass: 24584.223 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR2E / Production host: Homo sapiens (human) / References: UniProt: P19388
#5: Protein DNA-directed RNA polymerases I, II, and III subunit RPABC2 / RNA polymerases I / II / and III subunit ABC2 / DNA-directed RNA polymerase II subunit F / DNA- ...RNA polymerases I / II / and III subunit ABC2 / DNA-directed RNA polymerase II subunit F / DNA-directed RNA polymerases I / and III 14.4 kDa polypeptide / RPABC14.4 / RPB14.4 / RPB6 homolog / RPC15


Mass: 14491.026 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR2F, POLRF / Production host: Homo sapiens (human) / References: UniProt: P61218
#6: Protein DNA-directed RNA polymerases I, II, and III subunit RPABC3 / RNA polymerases I / II / and III subunit ABC3 / DNA-directed RNA polymerase II subunit H / DNA- ...RNA polymerases I / II / and III subunit ABC3 / DNA-directed RNA polymerase II subunit H / DNA-directed RNA polymerases I / and III 17.1 kDa polypeptide / RPB17 / RPB8 homolog / hRPB8


Mass: 17162.273 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR2H / Production host: Homo sapiens (human) / References: UniProt: P52434
#7: Protein DNA-directed RNA polymerases I, II, and III subunit RPABC5 / RNA polymerases I / II / and III subunit ABC5 / DNA-directed RNA polymerase III subunit L / RNA ...RNA polymerases I / II / and III subunit ABC5 / DNA-directed RNA polymerase III subunit L / RNA polymerase II 7.6 kDa subunit / RPB7.6 / RPB10 homolog


Mass: 7655.123 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR2L / Production host: Homo sapiens (human) / References: UniProt: P62875
#9: Protein DNA-directed RNA polymerases I, II, and III subunit RPABC4 / RNA polymerases I / II / and III subunit ABC4 / ABC10-alpha / DNA-directed RNA polymerase II ...RNA polymerases I / II / and III subunit ABC4 / ABC10-alpha / DNA-directed RNA polymerase II subunit K / RNA polymerase II 7.0 kDa subunit / RPB7.0 / RPB10alpha


Mass: 7018.244 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: POLR2K / Production host: Homo sapiens (human) / References: UniProt: P53803

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RNA chain , 1 types, 1 molecules R

#14: RNA chain RNA (5'-R(P*UP*GP*CP*UP*GP*A)-3')


Mass: 1892.173 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)

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DNA chain , 2 types, 2 molecules TU

#15: DNA chain DNA (5'-D(P*AP*GP*GP*AP*CP*AP*GP*CP*GP*TP*GP*TP*CP*AP*GP*CP*AP*AP*TP*A)-3')


Mass: 6192.031 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)
#16: DNA chain DNA (5'-D(*GP*TP*AP*CP*TP*GP*TP*CP*CP*TP*CP*TP*GP*G)-3')


Mass: 4262.764 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)

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Non-polymers , 2 types, 6 molecules

#17: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: Zn
#18: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg

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Details

Has ligand of interestN

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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: back track state of human RNA Polymerase I Elongation Complex
Type: COMPLEX / Entity ID: #1-#16 / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

CTF correctionType: NONE
3D reconstructionResolution: 3.01 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 152653 / Symmetry type: POINT

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