SAXSdb — 2znm

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

Thiol:disulfide interchange protein DsbA

Neisseria meningitidis serogroup B

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
4	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
5	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9K0Z4_NEIMB
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–195； UniProt 20–214 Author chain B； PDBConstruct 1–195； UniProt 20–214 Author chain C； PDBConstruct 1–195； UniProt 20–214 Author chain D； PDBConstruct 1–195； UniProt 20–214

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	2znm
Deposition date deposition_date	2008-04-30
Structure title title	Oxidoreductase NmDsbA3 from Neisseria meningitidis
Keywords keywords	Thioredoxin fold, DsbA-like, 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.

2znm__assembly_5__model_1

Assembly 5 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2znm__assembly_5__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2znm__assembly_5__model_1 | P(r) · Pending

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

Rg（Guinier）	28.65 Å
Rg (electron density)	27.41 Å
Total Rg	28.48 Å
Atom count	5863
Residues	724
Excluded volume	105530 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2znm__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2znm__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2znm__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`2znm__assembly_4__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`2znm__assembly_5__model_1`	tetrameric （4）	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) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2znma_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.47 — Thioredoxin fold
Superfamily Superfamily superfamily	c.47.1 — Thioredoxin-like
Family Family family	c.47.1.0 — automated matches

Domain ID domain_id	d2znmb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.47 — Thioredoxin fold
Superfamily Superfamily superfamily	c.47.1 — Thioredoxin-like
Family Family family	c.47.1.0 — automated matches

Domain ID domain_id	d2znmc_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.47 — Thioredoxin fold
Superfamily Superfamily superfamily	c.47.1 — Thioredoxin-like
Family Family family	c.47.1.0 — automated matches

Domain ID domain_id	d2znmd_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.47 — Thioredoxin fold
Superfamily Superfamily superfamily	c.47.1 — Thioredoxin-like
Family Family family	c.47.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id	2znmA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	30 — Glutaredoxin
Homologous superfamily homologous superfamily	10 — Glutaredoxin

Domain ID domain_id	2znmB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	30 — Glutaredoxin
Homologous superfamily homologous superfamily	10 — Glutaredoxin

Domain ID domain_id	2znmC00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	30 — Glutaredoxin
Homologous superfamily homologous superfamily	10 — Glutaredoxin

Domain ID domain_id	2znmD00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	30 — Glutaredoxin
Homologous superfamily homologous superfamily	10 — Glutaredoxin

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Unit-cell length a length_a	54.469 Å
Unit-cell length b length_b	88.531 Å
Unit-cell length c length_c	84.295 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	106.87 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

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

Resolution resolution	2.300 Å
Low-resolution limit resolution_low	29.810 Å
R factor r_factor	0.2093
R_work r_work	0.2063
R_free r_free	0.2634

Description description	Thiol:disulfide interchange protein DsbA
Molecular weight formula_weight	22176.0 kDa
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	6039

Oxidoreductase NmDsbA3 from Neisseria meningitidis

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

Thiol:disulfide interchange protein DsbA

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

2znm__assembly_5__model_1

2znm__assembly_5__model_1 | I(q)

2znm__assembly_5__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Neisseria meningitidis serogroup B
NCBI taxonomy ID ncbi_taxonomy_id	491
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	176

Oxidoreductase NmDsbA3 from Neisseria meningitidis

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

Thiol:disulfide interchange protein DsbA

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

2znm__assembly_5__model_1

2znm__assembly_5__model_1 | I(q)

2znm__assembly_5__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)