SAXSdb — 2aps

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

PROTEIN (CU,ZN SUPEROXIDE DISMUTASE)

Actinobacillus pleuropneumoniae

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	COPPER (II) ION × 4 ZINC ION × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SODC_ACTPL
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 8–162； UniProt 29–190

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	2aps
Deposition date deposition_date	1999-02-11
Structure title title	CU/ZN SUPEROXIDE DISMUTASE FROM ACTINOBACILLUS PLEUROPNEUMONIAE
Keywords keywords	SUPEROXIDE DISMUTASE, SOD, WATER-MEDIATED DIMER, BETA BARREL; SUPEROXIDE DISMUTASE
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.

2aps__assembly_1__model_1

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

Download this curve (.dat)

2aps__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2aps__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.72 Å
Rg (electron density)	19.86 Å
Total Rg	20.81 Å
Atom count	2327
Residues	310
Excluded volume	40904 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2aps__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 (4)

Entity 1 Entity 1 polymer

Description description	PROTEIN (CU,ZN SUPEROXIDE DISMUTASE)
Molecular weight formula_weight	17254.4 kDa
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	2453

KADNSSVEKLVVQVQQLDPVKGNKDVGTVEITESAYGLVFTPHLHGLAQGLHGFHIHQNPSCEPKEKDGKLVAGLGAGGHWDPKETKQHGYPWSDNAHLGDLPALFVEHDGSATNPVLAPRLKKLDEVKGHSLMIHEGGDNHSDHPAPLGGGGPRMACGVIK

Source Source

Source organism organism	Actinobacillus pleuropneumoniae
NCBI taxonomy ID ncbi_taxonomy_id	715
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	COPPER (II) ION
Molecular weight formula_weight	63.5 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	126

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2apsa_
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.8 — Cu,Zn superoxide dismutase-like
Family Family family	b.1.8.1 — Cu,Zn superoxide dismutase-like

Domain ID domain_id	d2apsb_
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.8 — Cu,Zn superoxide dismutase-like
Family Family family	b.1.8.1 — Cu,Zn superoxide dismutase-like

CATH v4.4 (2 domains)

Domain ID domain_id	2apsA00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	200 — Superoxide dismutase, copper/zinc binding domain

Domain ID domain_id	2apsB00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	200 — Superoxide dismutase, copper/zinc binding domain

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Unit-cell length a length_a	58.050 Å
Unit-cell length b length_b	123.880 Å
Unit-cell length c length_c	107.250 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	16

Space group space_group	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	—
R_work r_work	0.2210
R_free r_free	0.2610

CU/ZN SUPEROXIDE DISMUTASE FROM ACTINOBACILLUS PLEUROPNEUMONIAE

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

PROTEIN (CU,ZN SUPEROXIDE DISMUTASE)

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

2aps__assembly_1__model_1

2aps__assembly_1__model_1 | I(q)

2aps__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

CU/ZN SUPEROXIDE DISMUTASE FROM ACTINOBACILLUS PLEUROPNEUMONIAE

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

PROTEIN (CU,ZN SUPEROXIDE DISMUTASE)

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

2aps__assembly_1__model_1

2aps__assembly_1__model_1 | I(q)

2aps__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)