SAXSdb — 3pdc

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

Epoxide hydrolase 2

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	N-(5-chloro-1,3-benzoxazol-2-yl)-2-cyclopentylacetamide × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HYES_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 22–344； UniProt 226–548 Author chain B； PDBConstruct 22–344； UniProt 226–548

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_id	3pdc
Deposition date deposition_date	2010-10-22
Structure title title	Crystal structure of hydrolase domain of human soluble epoxide hydrolase complexed with a benzoxazole inhibitor
Keywords keywords	;epoxide hydrolase, hydrolase, hypertension, beta barrel, alpha/beta hydrolase fold; epoxide hydrolase fold, Acts on epoxides (alkene oxides, oxiranes) and arene oxides. Plays a role in xenobiotic metabolism by degrading potentially toxic epoxides. Also determines steady-state levels of physiological mediators. Has low phosphatase activity, Binds Mg2+, Acetylation of lysine, cytoplasm; peroxisome, HYDROLASE-HYDROLASE INHIBITOR complex ;; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method method	X-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.

3pdc__assembly_1__model_1

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

Download this curve (.dat)

3pdc__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3pdc__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	28.98 Å
Rg (electron density)	28.24 Å
Total Rg	28.94 Å
Atom count	5234
Residues	646
Excluded volume	93339 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3pdc__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)

Entity 1 Entity 1 polymer

Description description	Epoxide hydrolase 2
Molecular weight formula_weight	39312.0 kDa
EC 编号 ec_number	3.3.2.10
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	5425

MGSSHHHHHHSSGLVPRGSHMAPLPTSCNPSDMSHGYVTVKPRVRLHFVELGSGPAVCLCHGFPESWYSWRYQIPALAQAGYRVLAMDMKGYGESSAPPEIEEYCMEVLCKEMVTFLDKLGLSQAVFIGHDWGGMLVWYMALFYPERVRAVASLNTPFIPANPNMSPLESIKANPVFDYQLYFQEPGVAEAELEQNLSRTFKSLFRASDESVLSMHKVCEAGGLFVNSPEEPSLSRMVTEEEIQFYVQQFKKSGFRGPLNWYRNMERNWKWACKSLGRKILIPALMVTAEKDFVLVPQMSQHMEDWIPHLKRGHIEDCGHWTQMDKPTEVNQILIKWLDSDARN

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Spodoptera frugiperda

Entity 2 Entity 2 non-polymer

Description description	N-(5-chloro-1,3-benzoxazol-2-yl)-2-cyclopentylacetamide
Molecular weight formula_weight	278.7 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	191

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d3pdca_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamily	c.69.1 — alpha/beta-Hydrolases
Family Family family	c.69.1.0 — automated matches

Domain ID domain_id	d3pdcb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamily	c.69.1 — alpha/beta-Hydrolases
Family Family family	c.69.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id	3pdcA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1820 — Alpha/Beta hydrolase fold, catalytic domain

Domain ID domain_id	3pdcB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1820 — Alpha/Beta hydrolase fold, catalytic domain

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Unit-cell length a length_a	46.523 Å
Unit-cell length b length_b	79.902 Å
Unit-cell length c length_c	89.318 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.22 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2790
R_work r_work	0.2790
R_free r_free	0.3330

Crystal structure of hydrolase domain of human soluble epoxide hydrolase complexed with a benzoxazole inhibitor

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

Epoxide hydrolase 2

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

3pdc__assembly_1__model_1

3pdc__assembly_1__model_1 | I(q)

3pdc__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of hydrolase domain of human soluble epoxide hydrolase complexed with a benzoxazole inhibitor

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

Epoxide hydrolase 2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

3pdc__assembly_1__model_1

3pdc__assembly_1__model_1 | I(q)

3pdc__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)