5ipm

SigmaS-transcription initiation complex with 4-nt nascent RNA

Method: X-RAY DIFFRACTION Dmax: 155.0 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA-directed RNA polymerase subunit alpha

Escherichia coli

UniProt P0A7Z4

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 6 DNA 2 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain A; UniProt 1–235 Chain B; UniProt 1–235 Fragment:UNP residues 1-235 DNA-directed RNA polymerase subunit beta × 1 (P0A8V2) ;DNA-directed RNA polymerase subunit beta' ; × 1 (P0A8T7) DNA-directed RNA polymerase subunit omega × 1 (P0A800) RNA polymerase sigma factor RpoS × 1 (P13445) synthetic non-template strand DNA (50-MER) × 1 synthetic template strand DNA (50-MER) × 1 nascent RNA 4-mer × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;295 K;PEG3350, sodium chloride, HEPES Resolution 4.20 Å R-free 0.330

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

276 other PDB entries and 305 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPOA_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 8–242; UniProt 1–235 Author chain B; PDBConstruct 8–242; UniProt 1–235

DNA-directed RNA polymerase subunit beta

Escherichia coli

UniProt P0A8V2

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 6 DNA 2 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain C; UniProt 1–1342 Not recorded DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) ;DNA-directed RNA polymerase subunit beta' ; × 1 (P0A8T7) DNA-directed RNA polymerase subunit omega × 1 (P0A800) RNA polymerase sigma factor RpoS × 1 (P13445) synthetic non-template strand DNA (50-MER) × 1 synthetic template strand DNA (50-MER) × 1 nascent RNA 4-mer × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;295 K;PEG3350, sodium chloride, HEPES Resolution 4.20 Å R-free 0.330

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

219 other PDB entries and 240 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPOB_ECOLI
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–1342; UniProt 1–1342

;DNA-directed RNA polymerase subunit beta' ;

Escherichia coli

UniProt P0A8T7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 6 DNA 2 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain D; UniProt 1–1407 Not recorded DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit beta × 1 (P0A8V2) DNA-directed RNA polymerase subunit omega × 1 (P0A800) RNA polymerase sigma factor RpoS × 1 (P13445) synthetic non-template strand DNA (50-MER) × 1 synthetic template strand DNA (50-MER) × 1 nascent RNA 4-mer × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;295 K;PEG3350, sodium chloride, HEPES Resolution 4.20 Å R-free 0.330

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

239 other PDB entries and 275 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPOC_ECOLI
Isoform
PDB entities 3
Chains and sequence ranges Author chain D; PDBConstruct 1–1407; UniProt 1–1407

DNA-directed RNA polymerase subunit omega

Escherichia coli

UniProt P0A800

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 6 DNA 2 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain E; UniProt 2–91 Not recorded DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit beta × 1 (P0A8V2) ;DNA-directed RNA polymerase subunit beta' ; × 1 (P0A8T7) RNA polymerase sigma factor RpoS × 1 (P13445) synthetic non-template strand DNA (50-MER) × 1 synthetic template strand DNA (50-MER) × 1 nascent RNA 4-mer × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;295 K;PEG3350, sodium chloride, HEPES Resolution 4.20 Å R-free 0.330

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

258 other PDB entries and 277 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPOZ_ECOLI
Isoform
PDB entities 4
Chains and sequence ranges Author chain E; PDBConstruct 1–90; UniProt 2–91

RNA polymerase sigma factor RpoS

Escherichia coli

UniProt P13445

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 6 DNA 2 RNA 1 PDB declaration: nonameric(9) Consistent with all polymer counts Chain F; UniProt 1–330 Not recorded DNA-directed RNA polymerase subunit alpha × 2 (P0A7Z4) DNA-directed RNA polymerase subunit beta × 1 (P0A8V2) ;DNA-directed RNA polymerase subunit beta' ; × 1 (P0A8T7) DNA-directed RNA polymerase subunit omega × 1 (P0A800) synthetic non-template strand DNA (50-MER) × 1 synthetic template strand DNA (50-MER) × 1 nascent RNA 4-mer × 1 ZN ZINC ION × 2 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.8;295 K;PEG3350, sodium chloride, HEPES Resolution 4.20 Å R-free 0.330

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

20 other PDB entries and 20 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPOS_ECOLI
Isoform
PDB entities 5
Chains and sequence ranges Author chain F; PDBConstruct 1–330; UniProt 1–330

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 5ipm

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5ipm
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5ipm
Deposition date deposition_date2016-03-09
Structure title titleSigmaS-transcription initiation complex with 4-nt nascent RNA
Keywords keywords;Transcription initiation, RNA polymerase, general stress sigma factor, pyrophosphate release, TRANSCRIPTION, TRANSFERASE-DNA-RNA complex ;; TRANSCRIPTION, TRANSFERASE/DNA/RNA
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier48.48
Radius of gyration Rg (electron density) rg_electron48.03
Forward intensity I(0) i02689420000.00
Molecular weight molecular_weight414550.0 kDa
Excluded volume excluded_volume511910 ų
Envelope volume envelope_volume723440 ų
Hydration-shell volume shell_volume117870 ų
Envelope diameter envelope_diameter167.2
Shell Rg shell_rg57.16
Envelope Rg envelope_rg47.98
Shape Rg shape_rg48.04
Total Rg total_rg48.28
Total atoms total_atoms29027
Residues n_residues3585
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax155.0
Rg (real space) rg_real48.21
Rg uncertainty (real space) rg_real_error0.89
I(0) (real space) i0_real2.6890e+09
I(0) uncertainty (real space) i0_real_error4.5030e+07
Rg (reciprocal space) rg_reciprocal48.48
I(0) (reciprocal space) i0_reciprocal2690000000.0000
Solution quality estimate total_estimate0.6538
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary61.0
Skewness Skewness skewness0.240
Kurtosis Kurtosis kurtosis-0.306
Angular range angular_range— – 0.1650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha632800000.0000
Real-space data points n_real_points34
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.863; Stabil: 1.000; Sysdev: 0.044; Positv: 1.000; Valcen: 0.959; Smooth: 0.815

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

8. Citations (1)

9. Files and Curves (10)