1njg

Nucleotide-free form of an Isolated E. coli Clamp Loader Gamma Subunit

Method: X-RAY DIFFRACTION Dmax: 98.5 Å Quality: GOOD

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

DNA polymerase III subunit gamma

Escherichia coli

UniProt P06710

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 1–243 Fragment:N-terminal domains 1 and 2 ZN ZINC ION × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;293 K;PEG 3350, ammonium sulfate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.20 Å R-free 0.268
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–243 Fragment:N-terminal domains 1 and 2 ZN ZINC ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;293 K;PEG 3350, ammonium sulfate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.20 Å R-free 0.268

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.

38 other PDB entries and 48 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DPO3X_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 8–250; UniProt 1–243 Author chain B; PDBConstruct 8–250; UniProt 1–243

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 1njg

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1njg
Deposition date deposition_date2002-12-30
Structure title titleNucleotide-free form of an Isolated E. coli Clamp Loader Gamma Subunit
Keywords keywordsRossman-like fold, AAA+ ATPase domains, sensor 1, sensor 2, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.93
Radius of gyration Rg (electron density) rg_electron28.30
Forward intensity I(0) i049448500.00
Molecular weight molecular_weight53249.0 kDa
Excluded volume excluded_volume66192 ų
Envelope volume envelope_volume86104 ų
Hydration-shell volume shell_volume27175 ų
Envelope diameter envelope_diameter98.7
Shell Rg shell_rg33.14
Envelope Rg envelope_rg28.19
Shape Rg shape_rg28.30
Total Rg total_rg28.80
Total atoms total_atoms3732
Residues n_residues479
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 dmax98.5
Rg (real space) rg_real29.09
Rg uncertainty (real space) rg_real_error1.04
I(0) (real space) i0_real4.9450e+07
I(0) uncertainty (real space) i0_real_error7.2080e+05
Rg (reciprocal space) rg_reciprocal29.03
I(0) (reciprocal space) i0_reciprocal49450000.0000
Solution quality estimate total_estimate0.8549
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary28.6
Skewness Skewness skewness0.501
Kurtosis Kurtosis kurtosis-0.249
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7827000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.822; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.802; Smooth: 0.844

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1njga_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.20 — Extended AAA-ATPase domain
Domain ID domain_idd1njgb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.20 — Extended AAA-ATPase domain

CATH v4.4 (4 domains)

Domain ID domain_id1njgA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id1njgA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily60
Domain ID domain_id1njgB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily60
Domain ID domain_id1njgB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases

8. Citations (1)

9. Files and Curves (10)