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7kq0

PCNA bound to peptide mimetic

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Proliferating cell nuclear antigen

Homo sapiens

UniProt P12004

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 6 LYS-ARG-ARG-GLN-THR-SER-MET-THR-ASP-TYR-TYR-HIS-SER-LYS-ARG × 3 water × 6 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 6 LYS-ARG-ARG-GLN-THR-SER-MET-THR-ASP-TYR-TYR-HIS-SER-LYS-ARG × 3 water × 6 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 6 LYS-ARG-ARG-GLN-THR-SER-MET-THR-ASP-TYR-TYR-HIS-SER-LYS-ARG × 3 water × 6 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
8e84 8e84 8e84

3 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers
1vym 1w60 1w60 3ja9 3vkx 3wgw 3wgw 5e0t 5e0t 5mlo 5mlw 5mom

21 assemblies; showing the first 12

Heteromeric or nucleic-acid complex
1axc 1u76 1u7b 1ul1 1vyj 1vyj 2zvk 2zvl 2zvl 2zvm 3p87 3p87

103 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name PCNA_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–259； UniProt 1–259 Author chain C； PDBConstruct 1–259； UniProt 1–259 Author chain E； PDBConstruct 1–259； UniProt 1–259

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id7kq0
Deposition date deposition_date2020-11-13
Structure title titlePCNA bound to peptide mimetic
Keywords keywordsPCNA, DNA replication, peptide mimetic, REPLICATION; REPLICATION
Experimental Method methodX-RAY DIFFRACTION
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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.

7kq0__assembly_1__model_1

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

Download this curve (.dat)

7kq0__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

7kq0__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）33.40 Å
Rg (electron density)32.09 Å
Total Rg32.83 Å
Atom count5988
Residues810
Excluded volume107220 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 7kq0__assembly_1__model_1 hexameric （6） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 7kq0__assembly_2__model_1 hexameric （6） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 7kq0__assembly_3__model_1 hexameric （6） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (3)

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7. Citations (1)