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3rqs

Crystal Structure of human L-3- Hydroxyacyl-CoA dehydrogenase (EC1.1.1.35) from mitochondria at the resolution 2.0 A, Northeast Structural Genomics Consortium Target HR487, Mitochondrial Protein Partnership

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

Hydroxyacyl-coenzyme A dehydrogenase, mitochondrial

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 GLYCEROL × 7 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 11–324； UniProt 1–314 Author chain B； PDBConstruct 11–324； UniProt 1–314

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_id3rqs
Deposition date deposition_date2011-04-28
Structure title titleCrystal Structure of human L-3- Hydroxyacyl-CoA dehydrogenase (EC1.1.1.35) from mitochondria at the resolution 2.0 A, Northeast Structural Genomics Consortium Target HR487, Mitochondrial Protein Partnership
Keywords keywords;Structural Genomics, PSI-biology, Protein Structure Initiative, Northeast Structural Genomics Consortium, NESG, OXIDOREDUCTASE, Mitochondrial Protein Partnership, MPP ;; 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.

3rqs__assembly_1__model_1

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

Download this curve (.dat)

3rqs__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.

3rqs__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）29.48 Å
Rg (electron density)28.62 Å
Total Rg29.25 Å
Atom count4719
Residues592
Excluded volume85248 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3rqs__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) 7 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3rqsa1
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_idd3rqsa2
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.100.1.0 — automated matches

CATH v4.4 (5 domains)

Domain ID domain_id3rqsA01
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_id3rqsA02
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_id3rqsB01
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily1150 —
Domain ID domain_id3rqsB02
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_id3rqsB03
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 (1)