SAXSdb — 2bc0

▼

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

NADH Oxidase

Streptococcus pyogenes

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	FLAVIN-ADENINE DINUCLEOTIDE × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q1JLP2_STRPC
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 36–490； UniProt 1–456 Author chain B； PDBConstruct 36–490； UniProt 1–456

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	2bc0
Deposition date deposition_date	2005-10-18
Structure title title	Structural Analysis of Streptococcus pyogenes NADH oxidase: Wild-type Nox
Keywords keywords	;flavoprotein, NADH oxidase, pyridine nucleotide disulfide oxidoreductase, C(4a)-peroxyflavin, conformational dynamics, cysteine oxidation, sulfinic acid, OXIDOREDUCTASE ;; OXIDOREDUCTASE
Experimental Method method	X-RAY DIFFRACTION

▼

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.

2bc0__assembly_1__model_1

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

Download this curve (.dat)

2bc0__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2bc0__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	32.01 Å
Rg (electron density)	31.47 Å
Total Rg	31.98 Å
Atom count	7366
Residues	944
Excluded volume	130960 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2bc0__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	NADH Oxidase
Molecular weight formula_weight	53492.4 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	7952

MGGSHHHHHHGMASMTGGQQMGRTLYDDDDKDRWGSKIVVVGANHAGTACIKTMLTNYGDANEIVVFDQNSNISFLGCGMALWIGEQIAGPEGLFYSDKEELESLGAKVYMESPVQSIDYDAKTVTALVDGKNHVETYDKLIFATGSQPILPPIKGAEIKEGSLEFEATLENLQFVKLYQNSADVIAKLENKDIKRVAVVGAGYIGVELAEAFQRKGKEVVLIDVVDTCLAGYYDRDLTDLMAKNMEEHGIQLAFGETVKEVAGNGKVEKIITDKNEYDVDMVILAVGFRPNTTLGNGKIDLFRNGAFLVNKRQETSIPGVYAIGDCATIYDNATRDTNYIALASNAVRTGIVAAHNACGTDLEGIGVQGSNGISIYGLHMVSTGLTLEKAKRLGFDAAVTEYTDNQKPEFIEHGNFPVTIKIVYDKDSRRILGAQMAAREDVSMGIHMFSLAIQEGVTIEKLALTDIFFLPHFNKPYNYITMAALGAKD

Source Source

Source organism organism	Streptococcus pyogenes
NCBI taxonomy ID ncbi_taxonomy_id	1314
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	FLAVIN-ADENINE DINUCLEOTIDE
Molecular weight formula_weight	785.5 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	586

▼

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id	2bc0A01
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	50 — FAD/NAD(P)-binding domain
Homologous superfamily homologous superfamily	60 — FAD/NAD(P)-binding domain

Domain ID domain_id	2bc0A02
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	50 — FAD/NAD(P)-binding domain
Homologous superfamily homologous superfamily	60 — FAD/NAD(P)-binding domain

Domain ID domain_id	2bc0A03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	390 — Enolase-like; domain 1
Homologous superfamily homologous superfamily	30 — FAD/NAD-linked reductase, C-terminal dimerisation domain

Domain ID domain_id	2bc0B01
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	50 — FAD/NAD(P)-binding domain
Homologous superfamily homologous superfamily	60 — FAD/NAD(P)-binding domain

Domain ID domain_id	2bc0B02
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	50 — FAD/NAD(P)-binding domain
Homologous superfamily homologous superfamily	60 — FAD/NAD(P)-binding domain

Domain ID domain_id	2bc0B03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	390 — Enolase-like; domain 1
Homologous superfamily homologous superfamily	30 — FAD/NAD-linked reductase, C-terminal dimerisation domain

▶

Unit-cell length a length_a	70.800 Å
Unit-cell length b length_b	85.370 Å
Unit-cell length c length_c	148.450 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	2.000 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	0.1910
R_work r_work	0.1952
R_free r_free	0.2336

Structural Analysis of Streptococcus pyogenes NADH oxidase: Wild-type Nox

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

NADH Oxidase

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

2bc0__assembly_1__model_1

2bc0__assembly_1__model_1 | I(q)

2bc0__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) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)

Structural Analysis of Streptococcus pyogenes NADH oxidase: Wild-type Nox

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

NADH Oxidase

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

2bc0__assembly_1__model_1

2bc0__assembly_1__model_1 | I(q)

2bc0__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) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)