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2bzf

Structural basis for DNA bridging by barrier-to-autointegration factor (BAF)

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

BARRIER-TO-AUTOINTEGRATION FACTOR

HOMO SAPIENS

UniProt O75531

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Homooligomer Protein 2 DNA 4 5'-D(*GP*TP*GP*GP*AP*GP*GP)-3' × 2 5'-D(*CP*CP*TP*CP*CP*AP*CP)-3' × 2 water × 2 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer
7abm

1 assemblies

Homodimer
1ci4 1qck 2ezx 2ezy 2ezz 6unt 6ure 6urj 6urk 6url 6urn 6urr

19 assemblies; showing the first 12

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2bzf 2odg 6ghd 6ghd 7ndy 7z21 7z21 9j8m 9j8n 9j8o

10 assemblies

View Construct and Data Evidence
UniProt name BAF_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–89； UniProt 1–89

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_id2bzf
Deposition date deposition_date2005-08-16
Structure title titleStructural basis for DNA bridging by barrier-to-autointegration factor (BAF)
Keywords keywords;DNA-BINDING PROTEIN, RETROVIRAL INTEGRATION, NON-SPECIFIC DNA-BINDING, DNA COMPACTION, NUCLEAR ORGANIZATION, LEM FAMILY, 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.

2bzf__assembly_1__model_1

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

Download this curve (.dat)

2bzf__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.

2bzf__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）24.11 Å
Rg (electron density)22.10 Å
Total Rg22.88 Å
Atom count1956
Residues204
Excluded volume33018 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2bzf__assembly_1__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 (4)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2bzfa_
Class classa — All alpha proteins
Fold Fold folda.60 — SAM domain-like
Superfamily Superfamily superfamilya.60.5 — Barrier-to-autointegration factor, BAF
Family Family familya.60.5.1 — Barrier-to-autointegration factor, BAF

CATH v4.4 (1 domains)

Domain ID domain_id2bzfA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily40 — Barrier-to-autointegration factor, BAF
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7. Citations (1)