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1f12

L-3-HYDROXYACYL-COA DEHYDROGENASE COMPLEXED WITH 3-HYDROXYBUTYRYL-COA

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

L-3-HYDROXYACYL-COA DEHYDROGENASE

Homo sapiens

UniProt Q16836

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 3-HYDROXYBUTANOYL-COENZYME A × 1 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1f0y 1f12 1f14 1f17 1il0 1lsj 1lso 1m75 1m76 2hdh 3had 3rqs

12 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name HCDH_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–302； UniProt 7–308 Author chain B； PDBConstruct 1–302； UniProt 7–308

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_id1f12
Deposition date deposition_date2000-05-18
Structure title titleL-3-HYDROXYACYL-COA DEHYDROGENASE COMPLEXED WITH 3-HYDROXYBUTYRYL-COA
Keywords keywordsL-3-hydroxyacyl-CoA complexed with 3-hydroxybutyryl-CoA, OXIDOREDUCTASE; OXIDOREDUCTASE
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.

1f12__assembly_1__model_1

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

Download this curve (.dat)

1f12__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.

1f12__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）28.70 Å
Rg (electron density)27.83 Å
Total Rg28.56 Å
Atom count4526
Residues584
Excluded volume81394 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1f12__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 (3)

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6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (5 domains)

Domain ID domain_idd1f12a1
Class classa — All alpha proteins
Fold Fold folda.100 — 6-phosphogluconate dehydrogenase C-terminal domain-like
Superfamily Superfamily superfamilya.100.1 — 6-phosphogluconate dehydrogenase C-terminal domain-like
Family Family familya.100.1.3 — HCDH C-domain-like
Domain ID domain_idd1f12a2
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.2.1.6 — 6-phosphogluconate dehydrogenase-like, N-terminal domain
Domain ID domain_idd1f12a3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd1f12b1
Class classa — All alpha proteins
Fold Fold folda.100 — 6-phosphogluconate dehydrogenase C-terminal domain-like
Superfamily Superfamily superfamilya.100.1 — 6-phosphogluconate dehydrogenase C-terminal domain-like
Family Family familya.100.1.3 — HCDH C-domain-like
Domain ID domain_idd1f12b2
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.2.1.6 — 6-phosphogluconate dehydrogenase-like, N-terminal domain

CATH v4.4 (4 domains)

Domain ID domain_id1f12A01
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_id1f12A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1040 — N-(1-d-carboxylethyl)-l-norvaline Dehydrogenase; domain 2
Homologous superfamily homologous superfamily10 — N-(1-d-carboxylethyl)-l-norvaline Dehydrogenase; domain 2
Domain ID domain_id1f12B01
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_id1f12B02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1040 — N-(1-d-carboxylethyl)-l-norvaline Dehydrogenase; domain 2
Homologous superfamily homologous superfamily10 — N-(1-d-carboxylethyl)-l-norvaline Dehydrogenase; domain 2
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7. Citations (2)