8icx

DNA POLYMERASE BETA (POL B) (E.C.2.7.7.7) COMPLEXED WITH SEVEN BASE PAIRS OF DNA; SOAKED IN THE PRESENCE OF DTTP (1 MILLIMOLAR) AND MNCL2 (5 MILLIMOLAR)

Method: X-RAY DIFFRACTION Dmax: 71.2 Å Quality: REASONABLE

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

PROTEIN (DNA POLYMERASE BETA (E.C.2.7.7.7))

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 2 PDB declaration: trimeric(3) Consistent with all polymer counts Chain A; UniProt 1–334 Not recorded ;DNA (5'-D(*CP*AP*TP*TP*AP*GP*AP*A)-3') ; × 1 ;DNA (5'-D(*TP*CP*TP*AP*AP*TP*G)-3') ; × 1 MN MANGANESE (II) ION × 2 NA SODIUM ION × 2 TTP THYMIDINE-5'-TRIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A COCRYSTAL OF HUMAN DNA POLYMERASE BETA COMPLEXED WITH 7 BASE PAIRS OF DNA (SEE ENTRY 9ICJ AND REFERENCE 1) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 5 MINUTES: PEG 3350, 16% MES, 100 MILLIMOLAR, PH 6.5 NACL, 150 MILLIMOLAR DTTP, 1 MILLIMOLAR MNCL2, 5 MILLIMOLAR SEE REFERENCE 2 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE. Resolution 3.00 Å

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 DPOB_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain A; PDBConstruct 2–335; 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 8icx

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8icx
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id8icx
Deposition date deposition_date1995-12-15
Structure title titleDNA POLYMERASE BETA (POL B) (E.C.2.7.7.7) COMPLEXED WITH SEVEN BASE PAIRS OF DNA; SOAKED IN THE PRESENCE OF DTTP (1 MILLIMOLAR) AND MNCL2 (5 MILLIMOLAR)
Keywords keywords;DNA-DIRECTED DNA POLYMERASE, DNA REPLICATION, DNA REPAIR, NUCLEOTIDYLTRANSFERASE, COMPLEX (NUCLEOTIDYLTRANSFERASE-DNA, 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_guinier23.55
Radius of gyration Rg (electron density) rg_electron23.25
Forward intensity I(0) i034506500.00
Molecular weight molecular_weight42138.0 kDa
Excluded volume excluded_volume51423 ų
Envelope volume envelope_volume66378 ų
Hydration-shell volume shell_volume24051 ų
Envelope diameter envelope_diameter74.0
Shell Rg shell_rg29.98
Envelope Rg envelope_rg22.95
Shape Rg shape_rg23.27
Total Rg total_rg23.95
Total atoms total_atoms2936
Residues n_residues342
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 dmax71.2
Rg (real space) rg_real23.45
Rg uncertainty (real space) rg_real_error0.31
I(0) (real space) i0_real3.4510e+07
I(0) uncertainty (real space) i0_real_error4.0840e+05
Rg (reciprocal space) rg_reciprocal23.47
I(0) (reciprocal space) i0_reciprocal34510000.0000
Solution quality estimate total_estimate0.7096
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.0
Skewness Skewness skewness0.163
Kurtosis Kurtosis kurtosis-0.505
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4243000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.971; Stabil: 1.000; Sysdev: 0.154; Positv: 1.000; Valcen: 0.999; Smooth: 0.848

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd8icxa1
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_idd8icxa3
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_idd8icxa4
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_id8icxA01
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_id8icxA02
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_id8icxA03
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_id8icxA04
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 (8)

9. Files and Curves (10)