1il0

X-RAY CRYSTAL STRUCTURE OF THE E170Q MUTANT OF HUMAN L-3-HYDROXYACYL-COA DEHYDROGENASE

Method: X-RAY DIFFRACTION

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

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 ACETOACETYL-COENZYME A × 2 NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

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.

2. Structure Basics 2. Structure Basics

Entry ID entry_id1il0
Deposition date deposition_date2001-05-07
Structure title titleX-RAY CRYSTAL STRUCTURE OF THE E170Q MUTANT OF HUMAN L-3-HYDROXYACYL-COA DEHYDROGENASE
Keywords keywordsABORTIVE TERNARY COMPLEX, OXIDOREDUCTASE; OXIDOREDUCTASE
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.

1il0__assembly_1__model_1

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

Download this curve (.dat)

1il0__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1il0__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)27.63 Å
Rg (electron density)26.84 Å
Total Rg27.52 Å
Atom count4674
Residues582
Excluded volume83674 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1il0__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 (4)

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1il0a1
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_idd1il0a2
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_idd1il0b1
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_idd1il0b2
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_id1il0A01
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_id1il0A02
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_id1il0B01
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_id1il0B02
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

7. Citations (2)