SAXSdb — 4emj

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

TodA

Pseudomonas putida

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Toluene 1,2-dioxygenase system ferredoxin subunit × 1 （P0C620） FLAVIN-ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q7BPB6_PSEPU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–410； UniProt 1–410

Toluene 1,2-dioxygenase system ferredoxin subunit

Pseudomonas putida

UniProt P0C620

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	TodA × 1 （Q7BPB6） FLAVIN-ADENINE DINUCLEOTIDE × 1 FE2/S2 (INORGANIC) CLUSTER × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TODB_PSEPU
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–107； UniProt 1–107

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	4emj
Deposition date deposition_date	2012-04-12
Structure title title	Complex between the reductase and ferredoxin components of toluene dioxygenase
Keywords keywords	Oxidoreductase complex, toluene dioxygenase oxygenase component, 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.

4emj__assembly_1__model_1

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

Download this curve (.dat)

4emj__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4emj__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.95 Å
Rg (electron density)	23.98 Å
Total Rg	24.66 Å
Atom count	7710
Residues	512
Excluded volume	68473 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4emj__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	TodA
Molecular weight formula_weight	42983.9 kDa
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	8044

MATHVAIIGNGVGGFTTAQALRAEGFEGRISLIGDEPHLPYDRPSLSKAVLDGSLERPPILAEADWYGEARIDMLTGPEVTALDVQTRTISLDDGTTLSADAIVIATGSRARTMALPGSQLPGVVTLRTYGDVQVLRDSWTSATRLLIVGGGLIGCEVATTARKLGLSVTILEAGDELLVRVLGRRIGAWLRGLLTELGVQVELGTGVVGFSGEGQLEQVMASDGRSFVADSALICVGAEPADQLARQAGLACDRGVIVDHCGATLAKGVFAVGDVASWPLRAGGRRSLETYMNAQRQAAAVAAAILGKNVSAPQLPVSWTEIAGHRMQMAGDIEGPGDFVSRGMPGSGAALLFRLQERRIQAVVAVDAPRDFALATRLVEARAAIEPARLADLSNSMRDFVRANEGDLT

Source Source

Source organism organism	Pseudomonas putida
NCBI taxonomy ID ncbi_taxonomy_id	303
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Toluene 1,2-dioxygenase system ferredoxin subunit
Molecular weight formula_weight	11902.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MTWTYILRQGDLPPGEMQRYEGGPEPVMVCNVDGEFFAVQDTCTHGDWALSDGYLDGDIVECTLHFGKFCVRTGKVKALPACKPIKVFPIKVEGDEVHVDLDNGELK

Source Source

Source organism organism	Pseudomonas putida
NCBI taxonomy ID ncbi_taxonomy_id	303
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 non-polymer

Description description	FLAVIN-ADENINE DINUCLEOTIDE
Molecular weight formula_weight	785.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	FE2/S2 (INORGANIC) CLUSTER
Molecular weight formula_weight	175.8 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	243

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6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d4emjb_
Class class	b — All beta proteins
Fold Fold fold	b.33 — ISP domain
Superfamily Superfamily superfamily	b.33.1 — ISP domain
Family Family family	b.33.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id	4emjA01
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	4emjA02
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	4emjA03
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	4emjB00
Class class	2 — Mainly Beta
Architecture architecture	102 — 3-layer Sandwich
Topology topology	10 — Rieske Iron-sulfur Protein
Homologous superfamily homologous superfamily	10 — Rieske [2Fe-2S] iron-sulphur domain

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Unit-cell length a length_a	120.290 Å
Unit-cell length b length_b	120.290 Å
Unit-cell length c length_c	60.420 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 65
Space-group number int_tables_number	170
Crystal system crystal_system	—

Resolution resolution	2.400 Å
Low-resolution limit resolution_low	30.070 Å
R factor r_factor	0.1720
R_work r_work	0.1690
R_free r_free	0.2340

Complex between the reductase and ferredoxin components of toluene dioxygenase

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

TodA

State in the Current Structure

Other States of the Same Protein in the Database

Toluene 1,2-dioxygenase system ferredoxin subunit

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

4emj__assembly_1__model_1

4emj__assembly_1__model_1 | I(q)

4emj__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

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (1 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Complex between the reductase and ferredoxin components of toluene dioxygenase

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

TodA

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Toluene 1,2-dioxygenase system ferredoxin subunit

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

4emj__assembly_1__model_1

4emj__assembly_1__model_1 | I(q)

4emj__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

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (1 domains)

CATH v4.4 (4 domains)

7. Citations (1)