2dk5

Solution structure of Winged-Helix domain in RNA polymerase III 39KDa polypeptide

Method: SOLUTION NMR Dmax: 47.0 Å Quality: REASONABLE

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

DNA-directed RNA polymerase III 39 kDa polypeptide

Homo sapiens

UniProt Q9H1D9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 78–155 Fragment:Winged helix domain, residues 8-85 Mutation:I42V No other associated polymer SOLUTION NMR NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 120mM;Pressure ambient NMR sample composition:0.8mM U-15N, 13C; 20mM phosphate buffer NA; 100mM NaCl; 1mM d-DTT; 0.02% NaN3; 90% H2O, 10% D2O | 90% H2O/10% D2O Resolution not provided

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.

29 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPO3F_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 8–85; UniProt 78–155

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 2dk5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2dk5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2dk5
Deposition date deposition_date2006-04-06
Structure title titleSolution structure of Winged-Helix domain in RNA polymerase III 39KDa polypeptide
Keywords keywords;structural genomics, Winged helix domain, DNA-directed RNA polymerase III, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI, TRANSLATION, TRANSFERASE ;; TRANSLATION, TRANSFERASE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier16.96
Radius of gyration Rg (electron density) rg_electron15.95
Forward intensity I(0) i0546786000.00
Molecular weight molecular_weight196810.0 kDa
Excluded volume excluded_volume247320 ų
Envelope volume envelope_volume59429 ų
Hydration-shell volume shell_volume20407 ų
Envelope diameter envelope_diameter85.1
Shell Rg shell_rg30.95
Envelope Rg envelope_rg29.04
Shape Rg shape_rg15.93
Total Rg total_rg16.51
Total atoms total_atoms28200
Residues n_residues1820
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 dmax47.0
Rg (real space) rg_real15.38
Rg uncertainty (real space) rg_real_error0.11
I(0) (real space) i0_real5.1950e+08
I(0) uncertainty (real space) i0_real_error4.7760e+06
Rg (reciprocal space) rg_reciprocal17.42
I(0) (reciprocal space) i0_reciprocal546800000.0000
Solution quality estimate total_estimate0.6484
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary16.1
Skewness Skewness skewness0.573
Kurtosis Kurtosis kurtosis-0.105
Angular range angular_range— – 0.4700 −1
Current regularization parameter α current_alpha1.9750
Highest regularization parameter α highest_alpha345700.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.019; Oscil: 0.834; Stabil: 0.994; Sysdev: 0.000; Positv: 1.000; Valcen: 0.971; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd2dk5a1
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.85 — RPO3F domain-like
Domain ID domain_idd2dk5a2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2dk5a3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id2dk5A01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

8. Citations (1)

9. Files and Curves (10)