← Back to search
1ci4

THE CRYSTAL STRUCTURE OF HUMAN BARRIER-TO-AUTOINTEGRATION FACTOR (BAF)

Method: X-RAY DIFFRACTION
▼

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

PROTEIN (BARRIER-TO-AUTOINTEGRATION FACTOR (BAF))

Homo sapiens

UniProt O75531

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 water × 2 Consistent with protein count

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 Author chain B； 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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id1ci4
Deposition date deposition_date1999-04-07
Structure title titleTHE CRYSTAL STRUCTURE OF HUMAN BARRIER-TO-AUTOINTEGRATION FACTOR (BAF)
Keywords keywordsDNA BINDING PROTEIN, RETROVIRAL INTEGRATION, PREINTEGRATION COMPLEX; 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.

1ci4__assembly_1__model_1

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

Download this curve (.dat)

1ci4__assembly_1__model_1 | I(q)

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

1ci4__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）17.58 Å
Rg (electron density)16.25 Å
Total Rg17.31 Å
Atom count1389
Residues174
Excluded volume24783 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1ci4__assembly_1__model_1 dimeric （2） 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) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1ci4a_
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
Domain ID domain_idd1ci4b_
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 (2 domains)

Domain ID domain_id1ci4A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily40 — Barrier-to-autointegration factor, BAF
Domain ID domain_id1ci4B00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily40 — Barrier-to-autointegration factor, BAF
▶

7. Citations (3)