8xk7

binary complex of DNA polymerase SFM4-3 recognizing C2 methyoxy nucleotide

Method: X-RAY DIFFRACTION Dmax: 80.8 Å Quality: EXCELLENT

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

DNA polymerase I, thermostable

Thermus aquaticus

UniProt P19821

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 2 PDB declaration: trimeric(3) Consistent with all polymer counts Chain A; UniProt 294–832 Not recorded DNA(5'-D(*AP*AP*AP*CP*GP*GP*CP*GP*CP*CP*GP*TP*GP*GP*TP*CP*OMG)-3') × 1 DNA(5'-D(*GP*AP*CP*CP*AP*CP*GP*GP*CP*GP*CP*CP*OMG)-3') × 1 PO4 PHOSPHATE ION × 2 SO4 SULFATE ION × 3 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;289 K;0.2 M lithium sulfate monohydrate, 0.1 M HEPES pH 7.5, and 28% PEG 3350 Resolution 2.00 Å R-free 0.231

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.

81 other PDB entries and 83 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DPO1_THEAQ
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–539; UniProt 294–832

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 8xk7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8xk7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8xk7
Deposition date deposition_date2023-12-22
最后修订 last_revision2024-11-27
Structure title titlebinary complex of DNA polymerase SFM4-3 recognizing C2 methyoxy nucleotide
Keywords keywordsDNA polymerase, DNA BINDING PROTEIN; DNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.48
Radius of gyration Rg (electron density) rg_electron25.70
Forward intensity I(0) i097477400.00
Molecular weight molecular_weight71072.0 kDa
Excluded volume excluded_volume86303 ų
Envelope volume envelope_volume107460 ų
Hydration-shell volume shell_volume34033 ų
Envelope diameter envelope_diameter84.3
Shell Rg shell_rg33.78
Envelope Rg envelope_rg25.71
Shape Rg shape_rg25.72
Total Rg total_rg26.41
Total atoms total_atoms4966
Residues n_residues574
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 dmax80.8
Rg (real space) rg_real26.32
Rg uncertainty (real space) rg_real_error0.38
I(0) (real space) i0_real9.7480e+07
I(0) uncertainty (real space) i0_real_error1.2370e+06
Rg (reciprocal space) rg_reciprocal26.37
I(0) (reciprocal space) i0_reciprocal97480000.0000
Solution quality estimate total_estimate0.9070
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.7
Skewness Skewness skewness0.141
Kurtosis Kurtosis kurtosis-0.467
Angular range angular_range— – 0.3000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha12870000.0000
Real-space data points n_real_points61
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.939; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.989; Smooth: 0.979

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)