2i9g

DNA Polymerase Beta with a Benzo[c]phenanthrene diol epoxide adducted guanine base

Method: X-RAY DIFFRACTION Dmax: 72.2 Å Quality: EXCELLENT

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

DNA polymerase beta

Homo sapiens

UniProt P06746

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–DNA Monomer Protein × 1 DNA 3 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 1–334 Not recorded 5'-D(P*GP*TP*CP*GP*G)-3' × 1 5'-D(*GP*CP*TP*GP*AP*TP*GP*CP*GP*C)-3' × 1 5'-D(*CP*CP*GP*AP*CP*GP*GP*CP*GP*CP*AP*TP*CP*AP*GP*C)-3' × 1 BPI (1S)-1,2,3,4-TETRAHYDRO-BENZO[C]PHENANTHRENE-2,3,4-TRIOL × 1 NA SODIUM ION × 2 CL CHLORIDE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;291 K;0.1M HEPES, pH 7.50, 20% PEG 3000, 0.2M Sodium Chloride, VAPOR DIFFUSION, SITTING DROP, temperature 291K Resolution 2.10 Å R-free 0.252

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.

431 other PDB entries and 433 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DPOLB_HUMAN
Isoform
PDB entities 4
Chains and sequence ranges Author chain A; PDBConstruct 1–335; UniProt 1–334

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 2i9g

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2i9g
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2i9g
Deposition date deposition_date2006-09-05
Structure title titleDNA Polymerase Beta with a Benzo[c]phenanthrene diol epoxide adducted guanine base
Keywords keywordsMutagenesis, Base Excision Repair, Nucleotidyl Transferase, DNA Adduct, Transferase-DNA COMPLEX; Transferase/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.79
Radius of gyration Rg (electron density) rg_electron23.05
Forward intensity I(0) i046625700.00
Molecular weight molecular_weight46927.0 kDa
Excluded volume excluded_volume56139 ų
Envelope volume envelope_volume72620 ų
Hydration-shell volume shell_volume26162 ų
Envelope diameter envelope_diameter75.2
Shell Rg shell_rg30.18
Envelope Rg envelope_rg22.90
Shape Rg shape_rg23.03
Total Rg total_rg23.87
Total atoms total_atoms3263
Residues n_residues355
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 dmax72.2
Rg (real space) rg_real23.62
Rg uncertainty (real space) rg_real_error0.38
I(0) (real space) i0_real4.6630e+07
I(0) uncertainty (real space) i0_real_error6.8290e+05
Rg (reciprocal space) rg_reciprocal23.66
I(0) (reciprocal space) i0_reciprocal46630000.0000
Solution quality estimate total_estimate0.9080
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary31.6
Skewness Skewness skewness0.079
Kurtosis Kurtosis kurtosis-0.483
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4402000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.938; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.987; Smooth: 0.998

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd2i9ga1
Class classa — All alpha proteins
Fold Fold folda.60 — SAM domain-like
Superfamily Superfamily superfamilya.60.6 — DNA polymerase beta, N-terminal domain-like
Family Family familya.60.6.1 — DNA polymerase beta, N-terminal domain-like
Domain ID domain_idd2i9ga2
Class classa — All alpha proteins
Fold Fold folda.60 — SAM domain-like
Superfamily Superfamily superfamilya.60.12 — PsbU/PolX domain-like
Family Family familya.60.12.1 — DNA polymerase beta-like, second domain
Domain ID domain_idd2i9ga3
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.218 — Nucleotidyltransferase
Superfamily Superfamily superfamilyd.218.1 — Nucleotidyltransferase
Family Family familyd.218.1.2 — DNA polymerase beta-like

CATH v4.4 (4 domains)

Domain ID domain_id2i9gA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily110 — DNA polymerase beta, N-terminal domain-like
Domain ID domain_id2i9gA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily20 — 5' to 3' exonuclease, C-terminal subdomain
Domain ID domain_id2i9gA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology460 — Beta Polymerase; domain 2
Homologous superfamily homologous superfamily10 — Beta Polymerase, domain 2
Domain ID domain_id2i9gA04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology210 — Beta Polymerase; domain 3
Homologous superfamily homologous superfamily10 — DNA polymerase, thumb domain

8. Citations (1)

9. Files and Curves (10)