5auj

Pyrococcus furiosus proliferating cell nuclear antigen (PCNA) SeMet derivative

Method: X-RAY DIFFRACTION

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

DNA polymerase sliding clamp

Pyrococcus furiosus DSM 3638

UniProt O73947

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 3 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name PCNA_PYRFU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–249; UniProt 1–249

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.

2. Structure Basics 2. Structure Basics

Entry ID entry_id5auj
Deposition date deposition_date2015-04-21
Structure title titlePyrococcus furiosus proliferating cell nuclear antigen (PCNA) SeMet derivative
Keywords keywordsReplication, Processivity, Sliding clamp, DNA BINDING PROTEIN; DNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

5auj__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

5auj__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

5auj__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)32.63 Å
Rg (electron density)31.50 Å
Total Rg32.24 Å
Atom count5550
Residues696
Excluded volume100900 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 5auj__assembly_1__model_1 trimeric (3) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (2)

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5auja1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.131 — DNA clamp
Superfamily Superfamily superfamilyd.131.1 — DNA clamp
Family Family familyd.131.1.2 — DNA polymerase processivity factor
Domain ID domain_idd5auja2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.131 — DNA clamp
Superfamily Superfamily superfamilyd.131.1 — DNA clamp
Family Family familyd.131.1.2 — DNA polymerase processivity factor

CATH v4.4 (1 domains)

Domain ID domain_id5aujA00
Class class3 — Alpha Beta
Architecture architecture70 — Box
Topology topology10 — Proliferating Cell Nuclear Antigen
Homologous superfamily homologous superfamily10

7. Citations (1)