1xxi

ADP Bound E. coli Clamp Loader Complex

Method: X-RAY DIFFRACTION Dmax: 183.9 Å Quality: GOOD

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

DNA polymerase III, delta subunit

Escherichia coli

UniProt P28630

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 heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 1–343 Not recorded DNA polymerase III subunit gamma × 3 (P06710) DNA polymerase III, delta prime subunit × 1 (P28631) ZN ZINC ION × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 2 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.95;293 K;PEG 3350, Sodium Phosphate, Anapoe X-405, pH 7.95, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 4.10 Å R-free 0.369
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain F; UniProt 1–343 Not recorded DNA polymerase III subunit gamma × 3 (P06710) DNA polymerase III, delta prime subunit × 1 (P28631) ZN ZINC ION × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.95;293 K;PEG 3350, Sodium Phosphate, Anapoe X-405, pH 7.95, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 4.10 Å R-free 0.369

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.

35 other PDB entries and 45 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HOLA_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–343; UniProt 1–343 Author chain F; PDBConstruct 1–343; UniProt 1–343

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 heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain B; UniProt 1–368 Chain C; UniProt 1–368 Chain D; UniProt 1–368 Not recorded DNA polymerase III, delta subunit × 1 (P28630) DNA polymerase III, delta prime subunit × 1 (P28631) ZN ZINC ION × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 2 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.95;293 K;PEG 3350, Sodium Phosphate, Anapoe X-405, pH 7.95, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 4.10 Å R-free 0.369
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain G; UniProt 1–368 Chain H; UniProt 1–368 Chain I; UniProt 1–368 Not recorded DNA polymerase III, delta subunit × 1 (P28630) DNA polymerase III, delta prime subunit × 1 (P28631) ZN ZINC ION × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.95;293 K;PEG 3350, Sodium Phosphate, Anapoe X-405, pH 7.95, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 4.10 Å R-free 0.369

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 2
Chains and sequence ranges Author chain B; PDBConstruct 1–368; UniProt 1–368 Author chain C; PDBConstruct 1–368; UniProt 1–368 Author chain D; PDBConstruct 1–368; UniProt 1–368 Author chain G; PDBConstruct 1–368; UniProt 1–368 Author chain H; PDBConstruct 1–368; UniProt 1–368 Author chain I; PDBConstruct 1–368; UniProt 1–368

DNA polymerase III, delta prime subunit

Escherichia coli

UniProt P28631

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 heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain E; UniProt 1–334 Not recorded DNA polymerase III, delta subunit × 1 (P28630) DNA polymerase III subunit gamma × 3 (P06710) ZN ZINC ION × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 2 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.95;293 K;PEG 3350, Sodium Phosphate, Anapoe X-405, pH 7.95, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 4.10 Å R-free 0.369
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain J; UniProt 1–334 Not recorded DNA polymerase III, delta subunit × 1 (P28630) DNA polymerase III subunit gamma × 3 (P06710) ZN ZINC ION × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.95;293 K;PEG 3350, Sodium Phosphate, Anapoe X-405, pH 7.95, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 4.10 Å R-free 0.369

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.

34 other PDB entries and 40 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HOLB_ECOLI
Isoform
PDB entities 3
Chains and sequence ranges Author chain E; PDBConstruct 1–334; UniProt 1–334 Author chain J; PDBConstruct 1–334; 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 1xxi

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1xxi
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1xxi
Deposition date deposition_date2004-11-05
Structure title titleADP Bound E. coli Clamp Loader Complex
Keywords keywordsAAA+ ATPase, clamp loader, DNA polymerase III, DNA replication, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier60.28
Radius of gyration Rg (electron density) rg_electron60.10
Forward intensity I(0) i02222740000.00
Molecular weight molecular_weight394540.0 kDa
Excluded volume excluded_volume493920 ų
Envelope volume envelope_volume759650 ų
Hydration-shell volume shell_volume106600 ų
Envelope diameter envelope_diameter200.6
Shell Rg shell_rg61.90
Envelope Rg envelope_rg57.37
Shape Rg shape_rg60.07
Total Rg total_rg60.21
Total atoms total_atoms27688
Residues n_residues3532
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 dmax183.9
Rg (real space) rg_real60.45
Rg uncertainty (real space) rg_real_error1.68
I(0) (real space) i0_real2.2230e+09
I(0) uncertainty (real space) i0_real_error4.6240e+07
Rg (reciprocal space) rg_reciprocal60.10
I(0) (reciprocal space) i0_reciprocal2221000000.0000
Solution quality estimate total_estimate0.8359
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary63.6
Skewness Skewness skewness0.355
Kurtosis Kurtosis kurtosis-0.582
Angular range angular_range— – 0.1300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha152400000.0000
Real-space data points n_real_points27
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.953; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.005

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (20 domains)

Domain ID domain_idd1xxia1
Class classa — All alpha proteins
Fold Fold folda.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamilya.80.1 — post-AAA+ oligomerization domain-like
Family Family familya.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain
Domain ID domain_idd1xxia2
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_idd1xxib1
Class classa — All alpha proteins
Fold Fold folda.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamilya.80.1 — post-AAA+ oligomerization domain-like
Family Family familya.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain
Domain ID domain_idd1xxib2
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_idd1xxic1
Class classa — All alpha proteins
Fold Fold folda.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamilya.80.1 — post-AAA+ oligomerization domain-like
Family Family familya.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain
Domain ID domain_idd1xxic2
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_idd1xxid1
Class classa — All alpha proteins
Fold Fold folda.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamilya.80.1 — post-AAA+ oligomerization domain-like
Family Family familya.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain
Domain ID domain_idd1xxid2
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_idd1xxie1
Class classa — All alpha proteins
Fold Fold folda.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamilya.80.1 — post-AAA+ oligomerization domain-like
Family Family familya.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain
Domain ID domain_idd1xxie2
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_idd1xxif1
Class classa — All alpha proteins
Fold Fold folda.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamilya.80.1 — post-AAA+ oligomerization domain-like
Family Family familya.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain
Domain ID domain_idd1xxif2
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_idd1xxig1
Class classa — All alpha proteins
Fold Fold folda.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamilya.80.1 — post-AAA+ oligomerization domain-like
Family Family familya.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain
Domain ID domain_idd1xxig2
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_idd1xxih1
Class classa — All alpha proteins
Fold Fold folda.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamilya.80.1 — post-AAA+ oligomerization domain-like
Family Family familya.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain
Domain ID domain_idd1xxih2
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_idd1xxii1
Class classa — All alpha proteins
Fold Fold folda.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamilya.80.1 — post-AAA+ oligomerization domain-like
Family Family familya.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain
Domain ID domain_idd1xxii2
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_idd1xxij1
Class classa — All alpha proteins
Fold Fold folda.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamilya.80.1 — post-AAA+ oligomerization domain-like
Family Family familya.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain
Domain ID domain_idd1xxij2
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

8. Citations (1)

9. Files and Curves (10)