SAXSdb — 2wd4

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

ASCORBATE PEROXIDASE

GLYCINE MAX

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	FE (III) ION × 1 SODIUM ION × 1 SULFATE ION × 2 ;3-[2-[[3-(2-CARBOXYETHYL)-5-[[3-ETHENYL-4-METHYL-5-[(2-METHYLPROPAN-2-YL)OXY]-1H-PYRROL-2-YL]METHYL]-4-METHYL-1H-PYRROL -2-YL]METHYL]-5-[(Z)-(4-ETHENYL-3-METHYL-5-OXO-PYRROL-2-YLIDENE)METHYL]-4-METHYL-1H-PYRROL-3-YL]PROPANOIC ACID ; × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q43758_SOYBN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 13–261； UniProt 2–250

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	2wd4
Deposition date deposition_date	2009-03-19
Structure title title	Ascorbate Peroxidase as a heme oxygenase: w41A variant product with t-butyl peroxide
Keywords keywords	OXIDOREDUCTASE, TERT-BUTYL PEROXIDE, HEME PEROXIDASE, PEROXIDE SCAVENGE; 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.

2wd4__assembly_1__model_1

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

Download this curve (.dat)

2wd4__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2wd4__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	18.17 Å
Rg (electron density)	17.03 Å
Total Rg	18.09 Å
Atom count	1949
Residues	248
Excluded volume	34661 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2wd4__assembly_1__model_1`	monomeric （1）	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 (6)

Entity 1 Entity 1 polymer

Description description	ASCORBATE PEROXIDASE
Molecular weight formula_weight	28246.8 kDa
EC 编号 ec_number	1.11.1.11
Mutation mutation	YES
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2219

MRGSHHHHHHGSGKSYPTVSADYQKAVEKAKKKLRGFIAEKRCAPLMLRLAAHSAGTFDKGTKTGGPFGTIKHPAELAHSANNGLDIAVRLLEPLKAEFPILSYADFYQLAGVVAVEVTGGPEVPFHPGREDKPEPPPEGRLPDATKGSDHLRDVFGKAMGLTDQDIVALSGGHTIGAAHKERSGFEGPWTSNPLIFDNSYFTELLSGEKEGLLQLPSDKALLSDPVFRPLVDKYAADEDAFFADYAEAHQKLSELGFADA

Source Source

Source organism organism	GLYCINE MAX
Common name common_name	SOYBEAN
NCBI taxonomy ID ncbi_taxonomy_id	3847
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 non-polymer

Description description	FE (III) ION
Molecular weight formula_weight	55.8 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

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

Entity 5 Entity 5 non-polymer

Description description	;3-[2-[[3-(2-CARBOXYETHYL)-5-[[3-ETHENYL-4-METHYL-5-[(2-METHYLPROPAN-2-YL)OXY]-1H-PYRROL-2-YL]METHYL]-4-METHYL-1H-PYRROL -2-YL]METHYL]-5-[(Z)-(4-ETHENYL-3-METHYL-5-OXO-PYRROL-2-YLIDENE)METHYL]-4-METHYL-1H-PYRROL-3-YL]PROPANOIC ACID ;
Molecular weight formula_weight	642.8 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	189

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d2wd4a_
Class class	a — All alpha proteins
Fold Fold fold	a.93 — Heme-dependent peroxidases
Superfamily Superfamily superfamily	a.93.1 — Heme-dependent peroxidases
Family Family family	a.93.1.1 — CCP-like

CATH v4.4 (2 domains)

Domain ID domain_id	2wd4A01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	520 — Peroxidase; domain 1
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	2wd4A02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	420 — Peroxidase; domain 2
Homologous superfamily homologous superfamily	10 — Peroxidase, domain 2

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Unit-cell length a length_a	82.067 Å
Unit-cell length b length_b	82.067 Å
Unit-cell length c length_c	75.137 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 42 21 2
Space-group number int_tables_number	94
Crystal system crystal_system	—

Resolution resolution	1.400 Å
Low-resolution limit resolution_low	58.030 Å
R factor r_factor	0.1911
R_work r_work	0.1897
R_free r_free	0.2164

Ascorbate Peroxidase as a heme oxygenase: w41A variant product with t-butyl peroxide

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

ASCORBATE PEROXIDASE

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

2wd4__assembly_1__model_1

2wd4__assembly_1__model_1 | I(q)

2wd4__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Ascorbate Peroxidase as a heme oxygenase: w41A variant product with t-butyl peroxide

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

ASCORBATE PEROXIDASE

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

2wd4__assembly_1__model_1

2wd4__assembly_1__model_1 | I(q)

2wd4__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (1)