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2ej5

Crystal structure of GK2038 protein (enoyl-CoA hydratase subunit II) from Geobacillus kaustophilus

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

Enoyl-CoA hydratase subunit II

Geobacillus kaustophilus

UniProt Q5KYB3

State in the Current Structure

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

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
2ej5 2ej5

2 assemblies

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q5KYB3_GEOKA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–257； UniProt 1–257 Author chain B； PDBConstruct 1–257； UniProt 1–257

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_id2ej5
Deposition date deposition_date2007-03-15
Structure title titleCrystal structure of GK2038 protein (enoyl-CoA hydratase subunit II) from Geobacillus kaustophilus
Keywords keywords;structural genomics, GK2038, enoyl-CoA hydratase subunit II, Geobacillus kaustophilus, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI, LYASE ;; LYASE
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.

2ej5__assembly_2__model_1

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

Download this curve (.dat)

2ej5__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.

2ej5__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）28.48 Å
Rg (electron density)27.13 Å
Total Rg28.05 Å
Atom count5805
Residues753
Excluded volume103630 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2ej5__assembly_1__model_1 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2ej5__assembly_2__model_1 trimeric （3） 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 (2)

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2ej5a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.14 — ClpP/crotonase
Superfamily Superfamily superfamilyc.14.1 — ClpP/crotonase
Family Family familyc.14.1.0 — automated matches
Domain ID domain_idd2ej5b_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.14 — ClpP/crotonase
Superfamily Superfamily superfamilyc.14.1 — ClpP/crotonase
Family Family familyc.14.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id2ej5A01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Domain ID domain_id2ej5A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology12 — Lyase 2-enoyl-coa Hydratase; Chain A, domain 2
Homologous superfamily homologous superfamily10 — Lyase 2-enoyl-coa Hydratase, Chain A, domain 2
Domain ID domain_id2ej5B01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily10 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Domain ID domain_id2ej5B02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology12 — Lyase 2-enoyl-coa Hydratase; Chain A, domain 2
Homologous superfamily homologous superfamily10 — Lyase 2-enoyl-coa Hydratase, Chain A, domain 2
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7. Citations (1)