SAXSdb — 1ewa

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

DEHALOPEROXIDASE

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	SULFATE ION × 2 PROTOPORPHYRIN IX CONTAINING FE × 2 4-IODOPHENOL × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9NAV8_9ANNE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–137； UniProt 2–138 Author chain B； PDBConstruct 1–137； UniProt 2–138

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	1ewa
Deposition date deposition_date	2000-04-24
Structure title title	Dehaloperoxidase and 4-iodophenol
Keywords keywords	peroxidase, globin, OXIDOREDUCTASE; OXIDOREDUCTASE
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.

1ewa__assembly_1__model_1

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

Download this curve (.dat)

1ewa__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1ewa__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.29 Å
Rg (electron density)	24.01 Å
Total Rg	24.58 Å
Atom count	2294
Residues	274
Excluded volume	40754 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1ewa__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 (5)

Entity 1 Entity 1 polymer

Description description	DEHALOPEROXIDASE
Molecular weight formula_weight	15548.6 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2399

GFKQDIATIRGDLRTYAQDIFLAFLNKYPDERRYFKNYVGKSDQELKSMAKFGDHTEKVFNLMMEVADRATDCVPLASDANTLVQMKQHSSLTTGNFEKLFVALVEYMRASGQSFDSQSWDRFGKNLVSALSSAGMK

Entity 2 Entity 2 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	PROTOPORPHYRIN IX CONTAINING FE
Molecular weight formula_weight	616.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	4-IODOPHENOL
Molecular weight formula_weight	220.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	105

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1ewaa_
Class class	a — All alpha proteins
Fold Fold fold	a.1 — Globin-like
Superfamily Superfamily superfamily	a.1.1 — Globin-like
Family Family family	a.1.1.2 — Globins

Domain ID domain_id	d1ewab_
Class class	a — All alpha proteins
Fold Fold fold	a.1 — Globin-like
Superfamily Superfamily superfamily	a.1.1 — Globin-like
Family Family family	a.1.1.2 — Globins

CATH v4.4 (2 domains)

Domain ID domain_id	1ewaA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	490 — Globin-like
Homologous superfamily homologous superfamily	10 — Globins

Domain ID domain_id	1ewaB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	490 — Globin-like
Homologous superfamily homologous superfamily	10 — Globins

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Unit-cell length a length_a	68.500 Å
Unit-cell length b length_b	68.400 Å
Unit-cell length c length_c	61.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	8.000 Å
R factor r_factor	—
R_work r_work	0.2010
R_free r_free	0.2190

Dehaloperoxidase and 4-iodophenol

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

DEHALOPEROXIDASE

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

1ewa__assembly_1__model_1

1ewa__assembly_1__model_1 | I(q)

1ewa__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Dehaloperoxidase and 4-iodophenol

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

DEHALOPEROXIDASE

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

1ewa__assembly_1__model_1

1ewa__assembly_1__model_1 | I(q)

1ewa__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)