8xk9

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

Method: X-RAY DIFFRACTION Dmax: 124.7 Å Quality: GOOD

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 Homooligomer Protein × 2 DNA 4 PDB declaration: hexameric(6) Consistent with all polymer counts Chain A; UniProt 294–832 Chain D; UniProt 294–832 Not recorded ;DNA (5'-D(*GP*AP*CP*CP*AP*CP*GP*GP*CP*GP*CP*(DOC))-3') ; × 2 ;DNA (5'-D(*AP*AP*CP*GP*GP*CP*GP*CP*CP*GP*TP*GP*GP*TP*C)-R(P*(OMG))-3') ; × 2 MG MAGNESIUM ION × 6 A1LWE [[(2~{R},3~{R},4~{R},5~{R})-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-4-methoxy-3-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 2 PEG DI(HYDROXYETHYL)ETHER × 2 PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;289 K;0.1 M HEPES pH 7.5, 10% propanol, and 20% PEG 4000 Resolution 2.40 Å R-free 0.218

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 3
Chains and sequence ranges Author chain A; PDBConstruct 1–539; UniProt 294–832 Author chain D; 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 8xk9

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8xk9
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8xk9
Deposition date deposition_date2023-12-22
最后修订 last_revision2024-11-27
Structure title titleternary 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_guinier36.18
Radius of gyration Rg (electron density) rg_electron35.69
Forward intensity I(0) i0640372000.00
Molecular weight molecular_weight129900.0 kDa
Excluded volume excluded_volume121620 ų
Envelope volume envelope_volume222670 ų
Hydration-shell volume shell_volume51945 ų
Envelope diameter envelope_diameter133.3
Shell Rg shell_rg41.83
Envelope Rg envelope_rg35.87
Shape Rg shape_rg35.63
Total Rg total_rg36.07
Total atoms total_atoms9746
Residues n_residues1127
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 dmax124.7
Rg (real space) rg_real36.31
Rg uncertainty (real space) rg_real_error0.92
I(0) (real space) i0_real6.4040e+08
I(0) uncertainty (real space) i0_real_error9.3600e+06
Rg (reciprocal space) rg_reciprocal36.23
I(0) (reciprocal space) i0_reciprocal640300000.0000
Solution quality estimate total_estimate0.8536
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary39.7
Skewness Skewness skewness0.496
Kurtosis Kurtosis kurtosis-0.141
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha55430000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.768; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.960; Smooth: 0.827

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

8. Citations (1)

9. Files and Curves (10)