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3qdq

Complex between 4-hydroxybutyrate CoA-transferase from Clostridium aminobutyricum and CoA

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

4-Hydroxybutyrate CoA-transferase

Clostridium aminobutyricum

UniProt Q9RM86

State in the Current Structure

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

Other States of the Same Protein in the Database

Monomer
3qdq

1 assemblies

Homodimer
3gk7 3qdq

2 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q9RM86_CLOAM
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–438； UniProt 1–438

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_id3qdq
Deposition date deposition_date2011-01-19
Structure title titleComplex between 4-hydroxybutyrate CoA-transferase from Clostridium aminobutyricum and CoA
Keywords keywordsCOA TRANSFERASE FAMILY I; SINGLE SUBUNIT COA TRANSFERASE, CoA, TRANSFERASE; TRANSFERASE
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.

3qdq__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

3qdq__assembly_2__model_1 | I(q)

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

3qdq__assembly_2__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）29.56 Å
Rg (electron density)28.73 Å
Total Rg29.36 Å
Atom count6924
Residues894
Excluded volume123530 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3qdq__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 3qdq__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 (3)

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6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id3qdqA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1080 — Glutaconate Coenzyme A-transferase
Homologous superfamily homologous superfamily10 — Glutaconate Coenzyme A-transferase
Domain ID domain_id3qdqA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology750 — Transcription Regulator spoIIAA
Homologous superfamily homologous superfamily70 — 4-hydroxybutyrate coenzyme like domains
Domain ID domain_id3qdqA03
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1080 — Glutaconate Coenzyme A-transferase
Homologous superfamily homologous superfamily20 — Acetyl-CoA hydrolase/transferase C-terminal domain
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7. Citations (1)