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1hku

CtBP/BARS: a dual-function protein involved in transcription corepression and Golgi membrane fission

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

C-TERMINAL BINDING PROTEIN 3

RATTUS NORVEGICUS

UniProt Q9Z2F5

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 2 GLYCEROL × 2 FORMIC ACID × 4 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
3ga0

1 assemblies

Homodimer
1hku 3ga0

2 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1hl3 2hu2

2 assemblies

View Construct and Data Evidence
UniProt name CTBP1_RAT
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 9–358； UniProt 1–350

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_id1hku
Deposition date deposition_date2003-03-11
Structure title titleCtBP/BARS: a dual-function protein involved in transcription corepression and Golgi membrane fission
Keywords keywordsTRANSCRIPTION, TRANSCRIPTION CO-REPRESSOR, TRANSCRIPTION CO-REPRESSION, ACYLTRANSFERASE, BREFELDIN A, NAD, GOLGI MEMBRANE, ACYL-COA; TRANSCRIPTION
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.

1hku__assembly_1__model_1

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

Download this curve (.dat)

1hku__assembly_1__model_1 | I(q)

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

1hku__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）28.78 Å
Rg (electron density)28.47 Å
Total Rg29.11 Å
Atom count5236
Residues662
Excluded volume92513 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1hku__assembly_1__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 (5)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1hkua1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.4 — Formate/glycerate dehydrogenases, NAD-domain
Domain ID domain_idd1hkua2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.23 — Flavodoxin-like
Superfamily Superfamily superfamilyc.23.12 — Formate/glycerate dehydrogenase catalytic domain-like
Family Family familyc.23.12.1 — Formate/glycerate dehydrogenases, substrate-binding domain

CATH v4.4 (2 domains)

Domain ID domain_id1hkuA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id1hkuA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
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7. Citations (2)