1jn3

FIDELITY PROPERTIES AND STRUCTURE OF M282L MUTATOR MUTANT OF DNA POLYMERASE: SUBTLE STRUCTURAL CHANGES INFLUENCE THE MECHANISM OF NUCLEOTIDE DISCRIMINATION

Method: X-RAY DIFFRACTION Dmax: 72.9 Å Quality: GOOD

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

DNA POLYMERASE BETA

Rattus norvegicus

UniProt P06766

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 84–334 Fragment:CATALYTIC DOMAIN, RESIDUES 85 - 335 Mutation:M282L No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;298 K;16% PEG 3350, 5mM ammonium sulfate, 150mM sodium acetate, 50mM HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP at 298K Resolution 2.35 Å R-free 0.256

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.

30 other PDB entries and 37 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DPOB_RAT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–251; UniProt 84–334

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 1jn3

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1jn3
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1jn3
Deposition date deposition_date2001-07-22
Structure title titleFIDELITY PROPERTIES AND STRUCTURE OF M282L MUTATOR MUTANT OF DNA POLYMERASE: SUBTLE STRUCTURAL CHANGES INFLUENCE THE MECHANISM OF NUCLEOTIDE DISCRIMINATION
Keywords keywordsDNA POLYMERASE BETA (Fragment), mutant, NUCLEOTIDE DISCRIMINATION, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.50
Radius of gyration Rg (electron density) rg_electron20.61
Forward intensity I(0) i013996400.00
Molecular weight molecular_weight27955.0 kDa
Excluded volume excluded_volume34892 ų
Envelope volume envelope_volume42579 ų
Hydration-shell volume shell_volume17887 ų
Envelope diameter envelope_diameter72.0
Shell Rg shell_rg26.49
Envelope Rg envelope_rg20.80
Shape Rg shape_rg20.61
Total Rg total_rg21.41
Total atoms total_atoms1969
Residues n_residues242
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 dmax72.9
Rg (real space) rg_real21.48
Rg uncertainty (real space) rg_real_error0.70
I(0) (real space) i0_real1.4000e+07
I(0) uncertainty (real space) i0_real_error1.8340e+05
Rg (reciprocal space) rg_reciprocal21.49
I(0) (reciprocal space) i0_reciprocal14000000.0000
Solution quality estimate total_estimate0.8790
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.7
Skewness Skewness skewness0.256
Kurtosis Kurtosis kurtosis-0.537
Angular range angular_range— – 0.3700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3947000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.840; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.921; Smooth: 0.985

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1jn3a1
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_idd1jn3a2
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 (3 domains)

Domain ID domain_id1jn3A01
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_id1jn3A02
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_id1jn3A03
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)