3rmk

Toluene 4 monooxygenase H with 4-bromophenol

Method: X-RAY DIFFRACTION

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

Toluene-4-monooxygenase system protein A

Pseudomonas mendocina

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 6	Toluene-4-monooxygenase system protein E × 2 （Q00460） Toluene-4-monooxygenase system protein B × 2 （Q00457） FE (III) ION × 4 4-BROMOPHENOL × 9 CALCIUM ION × 16 TRIETHYLENE GLYCOL × 2 water × 6	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 6	Toluene-4-monooxygenase system protein E × 2 （Q00460） Toluene-4-monooxygenase system protein B × 2 （Q00457） FE (III) ION × 4 4-BROMOPHENOL × 9 CALCIUM ION × 16 TRIETHYLENE GLYCOL × 2 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TMOA_PSEME
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–492； UniProt 2–493 Author chain D； PDBConstruct 1–492； UniProt 2–493

Toluene-4-monooxygenase system protein E

Pseudomonas mendocina

UniProt Q00460

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 6	Toluene-4-monooxygenase system protein A × 2 （Q00456） Toluene-4-monooxygenase system protein B × 2 （Q00457） FE (III) ION × 4 4-BROMOPHENOL × 9 CALCIUM ION × 16 TRIETHYLENE GLYCOL × 2 water × 6	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 6	Toluene-4-monooxygenase system protein A × 2 （Q00456） Toluene-4-monooxygenase system protein B × 2 （Q00457） FE (III) ION × 4 4-BROMOPHENOL × 9 CALCIUM ION × 16 TRIETHYLENE GLYCOL × 2 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TMOE_PSEME
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–306； UniProt 2–307 Author chain E； PDBConstruct 1–306； UniProt 2–307

Toluene-4-monooxygenase system protein B

Pseudomonas mendocina

UniProt Q00457

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 6	Toluene-4-monooxygenase system protein A × 2 （Q00456） Toluene-4-monooxygenase system protein E × 2 （Q00460） FE (III) ION × 4 4-BROMOPHENOL × 9 CALCIUM ION × 16 TRIETHYLENE GLYCOL × 2 water × 6	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 6	Toluene-4-monooxygenase system protein A × 2 （Q00456） Toluene-4-monooxygenase system protein E × 2 （Q00460） FE (III) ION × 4 4-BROMOPHENOL × 9 CALCIUM ION × 16 TRIETHYLENE GLYCOL × 2 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TMOB_PSEME
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–83； UniProt 2–84 Author chain F； PDBConstruct 1–83； UniProt 2–84

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	3rmk
Deposition date deposition_date	2011-04-21
Structure title title	Toluene 4 monooxygenase H with 4-bromophenol
Keywords keywords	Oxidoreductase, Aromatic Hydrocarbon Catabolism, Iron, Multi-Component Monooxygenase, Diiron; 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.

3rmk__assembly_1__model_1

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

Download this curve (.dat)

3rmk__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3rmk__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	38.22 Å
Rg (electron density)	37.54 Å
Total Rg	38.06 Å
Atom count	14544
Residues	1757
Excluded volume	257050 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3rmk__assembly_1__model_1`	hexameric （6）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3rmk__assembly_2__model_1`	hexameric （6）	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 (8)

Entity 1 Entity 1 polymer

Description description	Toluene-4-monooxygenase system protein A
Molecular weight formula_weight	57322.2 kDa
EC 编号 ec_number	1.14.13.-
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,D
Atom count atom_count	16187

AMHPRKDWYELTRATNWTPSYVTEEQLFPERMSGHMGIPLEKWESYDEPYKTSYPEYVSIQREKDAGAYSVKAALERAKIYENSDPGWISTLKSHYGAIAVGEYAAVTGEGRMARFSKAPGNRNMATFGMMDELRHGQLQLFFPHEYCKKDRQFDWAWRAYHSNEWAAIAAKHFFDDIITGRDAISVAIMLTFSFETGFTNMQFLGLAADAAEAGDYTFANLISSIQTDESRHAQQGGPALQLLIENGKREEAQKKVDMAIWRAWRLFAVLTGPVMDYYTPLEDRSQSFKEFMYEWIIGQFERSLIDLGLDKPWYWDLFLKDIDELHHSYHMGVWYWRTTAWWNPAAGVTPEERDWLEEKYPGWNKRWGRCWDVITENVLNDRMDLVSPETLPSVCNMSQIPLVGVPGDDWNIEVFSLEHNGRLYHFGSEVDRWVFQQDPVQYQNHMNIVDRFLAGQIQPMTLEGALKYMGFQSIEEMGKDAHDFAWADKCK

Source Source

Source organism organism	Pseudomonas mendocina
NCBI taxonomy ID ncbi_taxonomy_id	300
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Toluene-4-monooxygenase system protein E
Molecular weight formula_weight	36045.4 kDa
EC 编号 ec_number	1.14.13.-
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,E

SFESKKPMRTWSHLAEMRKKPSEYDIVSRKLHYSTNNPDSPWELSPDSPMNLWYKQYRNASPLKHDNWDAFTDPDQLVYRTYNLMQDGQESYVQSLFDQFNEREHDQMVREGWEHTMARCYSPLRYLFHCLQMSSAYVQQMAPASTISNCCILQTADSLRWLTHTAYRTHELSLTYPDAGLGEHERELWEKEPGWQGLRELMEKQLTAFDWGEAFVSLNLVVKPMIVESIFKPLQQQAWENNDTLLPLLIDSQLKDAERHSRWSKALVKHALENPDNHAVIEGWIEKWRPLADRAAEAYLSMLSSD

Source Source

Source organism organism	Pseudomonas mendocina
NCBI taxonomy ID ncbi_taxonomy_id	300
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 polymer

Description description	Toluene-4-monooxygenase system protein B
Molecular weight formula_weight	9469.8 kDa
EC 编号 ec_number	1.14.13.-
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,F

SAFPVHAAFEKDFLVQLVVVDLNDSMDQVAEKVAYHCVNRRVAPREGVMRVRKHRSTELFPRDMTIAESGLNPTEVIDVVFEE

Source Source

Source organism organism	Pseudomonas mendocina
NCBI taxonomy ID ncbi_taxonomy_id	300
Host organism host_organism	Escherichia coli

Entity 4 Entity 4 non-polymer

Description description	FE (III) ION
Molecular weight formula_weight	55.8 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 5 Entity 5 non-polymer

Description description	4-BROMOPHENOL
Molecular weight formula_weight	173.0 kDa
Source method src_method	syn
Copy count entity_count	9

Entity 6 Entity 6 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	16

Entity 7 Entity 7 non-polymer

Description description	TRIETHYLENE GLYCOL
Molecular weight formula_weight	150.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 8 Entity 8 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1565

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d3rmka_
Class class	a — All alpha proteins
Fold Fold fold	a.25 — Ferritin-like
Superfamily Superfamily superfamily	a.25.1 — Ferritin-like
Family Family family	a.25.1.2 — Ribonucleotide reductase-like

Domain ID domain_id	d3rmkc_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamily	d.15.12 — TmoB-like
Family Family family	d.15.12.0 — automated matches

Domain ID domain_id	d3rmkd_
Class class	a — All alpha proteins
Fold Fold fold	a.25 — Ferritin-like
Superfamily Superfamily superfamily	a.25.1 — Ferritin-like
Family Family family	a.25.1.2 — Ribonucleotide reductase-like

Domain ID domain_id	d3rmkf_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamily	d.15.12 — TmoB-like
Family Family family	d.15.12.0 — automated matches

CATH v4.4 (6 domains)

Domain ID domain_id	3rmkA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	620 — Ribonucleotide Reductase, subunit A
Homologous superfamily homologous superfamily	20 — Ribonucleotide Reductase, subunit A

Domain ID domain_id	3rmkB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	620 — Ribonucleotide Reductase, subunit A
Homologous superfamily homologous superfamily	20 — Ribonucleotide Reductase, subunit A

Domain ID domain_id	3rmkC00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	270 — TmoB-like

Domain ID domain_id	3rmkD00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	620 — Ribonucleotide Reductase, subunit A
Homologous superfamily homologous superfamily	20 — Ribonucleotide Reductase, subunit A

Domain ID domain_id	3rmkE00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	620 — Ribonucleotide Reductase, subunit A
Homologous superfamily homologous superfamily	20 — Ribonucleotide Reductase, subunit A

Domain ID domain_id	3rmkF00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	270 — TmoB-like

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Unit-cell length a length_a	169.544 Å
Unit-cell length b length_b	176.771 Å
Unit-cell length c length_c	56.068 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 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	1.950 Å
Low-resolution limit resolution_low	43.000 Å
R factor r_factor	0.1593
R_work r_work	0.1573
R_free r_free	0.1964

Toluene 4 monooxygenase H with 4-bromophenol

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

Toluene-4-monooxygenase system protein A

State in the Current Structure

Other States of the Same Protein in the Database

Toluene-4-monooxygenase system protein E

State in the Current Structure

Other States of the Same Protein in the Database

Toluene-4-monooxygenase system protein B

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

3rmk__assembly_1__model_1

3rmk__assembly_1__model_1 | I(q)

3rmk__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 (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

CATH v4.4 (6 domains)

7. Citations (1)

Toluene 4 monooxygenase H with 4-bromophenol

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

Toluene-4-monooxygenase system protein A

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-4-monooxygenase system protein E

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-4-monooxygenase system protein B

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

3rmk__assembly_1__model_1

3rmk__assembly_1__model_1 | I(q)

3rmk__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 (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

CATH v4.4 (6 domains)

7. Citations (1)