6n2r

Binary complex crystal structure of DNA polymerase Beta with 5-carboxy-dC (5-caC) at the templating position

Method: X-RAY DIFFRACTION Dmax: 71.0 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 1–335 Not recorded ;DNA (5'-D(*CP*CP*GP*AP*CP*(1CC)P*GP*CP*GP*CP*AP*TP*CP*AP*GP*C)-3') ; × 1 ;DNA (5'-D(*GP*CP*TP*GP*AP*TP*GP*CP*GP*C)-3') ; × 1 ;DNA (5'-D(P*GP*TP*CP*GP*G)-3') ; × 1 NA SODIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;16-18% PEG 3350 Resolution 2.10 Å R-free 0.266

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 1
Chains and sequence ranges Author chain A; PDBConstruct 1–335; UniProt 1–335

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 6n2r

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6n2r
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6n2r
Deposition date deposition_date2018-11-14
Structure title titleBinary complex crystal structure of DNA polymerase Beta with 5-carboxy-dC (5-caC) at the templating position
Keywords keywords;DNA Polymerase Beta, Conformational Change, enzyme mechanism, epigenetic modifications, GENE REGULATION, gene regulation-dna complex ;; gene regulation/dna
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.67
Radius of gyration Rg (electron density) rg_electron22.99
Forward intensity I(0) i045992500.00
Molecular weight molecular_weight46538.0 kDa
Excluded volume excluded_volume55708 ų
Envelope volume envelope_volume72298 ų
Hydration-shell volume shell_volume26112 ų
Envelope diameter envelope_diameter74.2
Shell Rg shell_rg30.01
Envelope Rg envelope_rg22.77
Shape Rg shape_rg22.98
Total Rg total_rg23.77
Total atoms total_atoms3237
Residues n_residues356
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 dmax71.0
Rg (real space) rg_real23.50
Rg uncertainty (real space) rg_real_error0.43
I(0) (real space) i0_real4.5990e+07
I(0) uncertainty (real space) i0_real_error6.4060e+05
Rg (reciprocal space) rg_reciprocal23.54
I(0) (reciprocal space) i0_reciprocal45990000.0000
Solution quality estimate total_estimate0.9097
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary69.9
Skewness Skewness skewness0.069
Kurtosis Kurtosis kurtosis-0.494
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4133000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.948; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.992

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id6n2rA01
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_id6n2rA02
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_id6n2rA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology460 — Beta Polymerase; domain 2
Homologous superfamily homologous superfamily10 — Beta Polymerase, domain 2

8. Citations (1)

9. Files and Curves (10)