4k4t

Poliovirus polymerase elongation complex (r4_form)

Method: X-RAY DIFFRACTION Dmax: 118.5 Å Quality: GOOD

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

RNA-directed RNA polymerase 3D-POL

Human poliovirus 1

UniProt P03300

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–RNA Monomer Protein × 1 RNA 3 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 1749–2209 Fragment:unp residues 1749-2209 Mutation:L446D ;RNA (5'-R(*AP*AP*GP*UP*CP*UP*CP*CP*AP*GP*GP*UP*CP*UP*CP*UP*CP*GP*GP*AP*AP*A)-3') ; × 1 ;RNA (5'-R(P*UP*GP*UP*UP*CP*CP*GP*AP*GP*AP*GP*A)-3') ; × 1 ;RNA (5'-R(*GP*GP*GP*AP*GP*AP*UP*GP*A)-3') ; × 1 GOL GLYCEROL × 2 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;289 K;0.16 M MgCl2, 0.08 M Tris-HCl, 24% (w/v) PEG 4000, 20% (v/v) glycerol and directly frozen for data collection , VAPOR DIFFUSION, SITTING DROP, temperature 289K Resolution 2.75 Å R-free 0.262
2 Protein–RNA Monomer Protein × 1 RNA 3 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain E; UniProt 1749–2209 Fragment:unp residues 1749-2209 Mutation:L446D ;RNA (5'-R(*AP*AP*GP*UP*CP*UP*CP*CP*AP*GP*GP*UP*CP*UP*CP*UP*CP*GP*GP*AP*AP*A)-3') ; × 1 ;RNA (5'-R(P*UP*GP*UP*UP*CP*CP*GP*AP*GP*AP*GP*A)-3') ; × 1 ;RNA (5'-R(*GP*GP*GP*AP*GP*AP*UP*GP*A)-3') ; × 1 GOL GLYCEROL × 2 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;289 K;0.16 M MgCl2, 0.08 M Tris-HCl, 24% (w/v) PEG 4000, 20% (v/v) glycerol and directly frozen for data collection , VAPOR DIFFUSION, SITTING DROP, temperature 289K Resolution 2.75 Å R-free 0.262

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.

80 other PDB entries and 249 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POLG_POL1M
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–461; UniProt 1749–2209 Author chain E; PDBConstruct 1–461; UniProt 1749–2209

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 4k4t

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4k4t
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4k4t
Deposition date deposition_date2013-04-12
Structure title titlePoliovirus polymerase elongation complex (r4_form)
Keywords keywordspolymerase, RNA-dependent RNA polymerase, protein-RNA complex, transferase-rna complex; transferase/rna
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier39.12
Radius of gyration Rg (electron density) rg_electron40.33
Forward intensity I(0) i0298125000.00
Molecular weight molecular_weight127140.0 kDa
Excluded volume excluded_volume152930 ų
Envelope volume envelope_volume211000 ų
Hydration-shell volume shell_volume43854 ų
Envelope diameter envelope_diameter124.4
Shell Rg shell_rg45.67
Envelope Rg envelope_rg39.25
Shape Rg shape_rg40.37
Total Rg total_rg40.49
Total atoms total_atoms8846
Residues n_residues990
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 dmax118.5
Rg (real space) rg_real39.37
Rg uncertainty (real space) rg_real_error0.94
I(0) (real space) i0_real2.9810e+08
I(0) uncertainty (real space) i0_real_error5.1900e+06
Rg (reciprocal space) rg_reciprocal39.22
I(0) (reciprocal space) i0_reciprocal298100000.0000
Solution quality estimate total_estimate0.8039
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.6
Skewness Skewness skewness0.349
Kurtosis Kurtosis kurtosis-0.805
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha64020000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.838; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.880; Smooth: 0.053

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd4k4ta1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.8 — DNA/RNA polymerases
Superfamily Superfamily superfamilye.8.1 — DNA/RNA polymerases
Family Family familye.8.1.4 — RNA-dependent RNA-polymerase
Domain ID domain_idd4k4ta2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4k4te1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.8 — DNA/RNA polymerases
Superfamily Superfamily superfamilye.8.1 — DNA/RNA polymerases
Family Family familye.8.1.4 — RNA-dependent RNA-polymerase
Domain ID domain_idd4k4te2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (4 domains)

Domain ID domain_id4k4tA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily270 — Reverse transcriptase/Diguanylate cyclase domain
Domain ID domain_id4k4tA03
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology960 — Mitochondrial Import Receptor Subunit Tom20; Chain A
Homologous superfamily homologous superfamily20
Domain ID domain_id4k4tE02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily270 — Reverse transcriptase/Diguanylate cyclase domain
Domain ID domain_id4k4tE03
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology960 — Mitochondrial Import Receptor Subunit Tom20; Chain A
Homologous superfamily homologous superfamily20

8. Citations (1)

9. Files and Curves (10)