3w03

XLF-XRCC4 complex

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

Non-homologous end-joining factor 1

Homo sapiens

UniProt Q9H9Q4

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name NHEJ1_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–235; UniProt 1–233 Author chain B; PDBConstruct 3–235; UniProt 1–233

DNA repair protein XRCC4

Homo sapiens

UniProt Q13426

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
2 Protein homooligomer Homooligomer Protein 2 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name XRCC4_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 21–184; UniProt 1–164 Author chain D; PDBConstruct 21–184; UniProt 1–164

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_id3w03
Deposition date deposition_date2012-10-17
Structure title titleXLF-XRCC4 complex
Keywords keywordsCoiled-Coil, NHEJ, DSBs repair, Ku70/80, DNA-PKcs, DNA ligase IV, DNA BINDING PROTEIN; DNA BINDING PROTEIN
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.

3w03__assembly_1__model_1

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

Download this curve (.dat)

3w03__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.

3w03__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)27.57 Å
Rg (electron density)26.88 Å
Total Rg27.37 Å
Atom count3575
Residues456
Excluded volume64182 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3w03__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 3w03__assembly_2__model_1 dimeric (2) 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 (2)

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7. Citations (1)