5kah

Crystal structure of a dioxygenase in the Crotonase superfamily in P21, V425T mutant

Method: X-RAY DIFFRACTION

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

(3,5-dihydroxyphenyl)acetyl-CoA 1,2-dioxygenase

Streptomyces toyocaensis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 6	;[(2R,3S,4R,5R)-5-(6-AMINO-9H-PURIN-9-YL)-4-HYDROXY-3-(PHOSPHONOOXY)TETRAHYDROFURAN-2-YL]METHYL (3R)-4-({3-[(2-{[(3,5-DIHYDROXYPHENYL)ACETYL]AMINO}ETHYL)AMINO]-3-OXOPROPYL}AMINO)-3-HYDROXY-2,2-DIMETHYL-4-OXOBUTYL DIHYDROGEN DIPHOSPHATE ; × 6 water × 6	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 6	;[(2R,3S,4R,5R)-5-(6-AMINO-9H-PURIN-9-YL)-4-HYDROXY-3-(PHOSPHONOOXY)TETRAHYDROFURAN-2-YL]METHYL (3R)-4-({3-[(2-{[(3,5-DIHYDROXYPHENYL)ACETYL]AMINO}ETHYL)AMINO]-3-OXOPROPYL}AMINO)-3-HYDROXY-2,2-DIMETHYL-4-OXOBUTYL DIHYDROGEN DIPHOSPHATE ; × 6 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	DPGC_STRTO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–438； UniProt 1–438 Author chain B； PDBConstruct 1–438； UniProt 1–438 Author chain C； PDBConstruct 1–438； UniProt 1–438 Author chain D； PDBConstruct 1–438； UniProt 1–438 Author chain E； PDBConstruct 1–438； UniProt 1–438 Author chain F； PDBConstruct 1–438； UniProt 1–438 Author chain G； PDBConstruct 1–438； UniProt 1–438 Author chain H； PDBConstruct 1–438； UniProt 1–438 Author chain I； PDBConstruct 1–438； UniProt 1–438 Author chain J； PDBConstruct 1–438； UniProt 1–438 Author chain K； PDBConstruct 1–438； UniProt 1–438 Author chain L； PDBConstruct 1–438； UniProt 1–438

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	5kah
Deposition date deposition_date	2016-06-01
Structure title title	Crystal structure of a dioxygenase in the Crotonase superfamily in P21, V425T mutant
Keywords keywords	dioxygenase, DpgC, 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.

5kah__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

5kah__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5kah__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	42.85 Å
Rg (electron density)	42.19 Å
Total Rg	42.46 Å
Atom count	19950
Residues	2521
Excluded volume	352610 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5kah__assembly_1__model_1`	hexameric （6）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`5kah__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 (3)

Entity 1 Entity 1 polymer

Description description	(3,5-dihydroxyphenyl)acetyl-CoA 1,2-dioxygenase
Molecular weight formula_weight	48243.1 kDa
EC 编号 ec_number	1.13.11.80
Mutation mutation	V425T
Source method src_method	man
Copy count entity_count	12

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H,I,J,K,L
Atom count atom_count	40568

MTTVLPPLEDTDGLWAALTEAAASVEKLLATLPEHGARSSAERAEIAAAHDAARALRVRFLDTHADAVYDRLTDHRRVHLRLAELVEAAATAFPGLVPTQQQLAVERSLPQAAKEGHEIDQGIFLRAVLRSPLAGPHLLDAMLRPTPRALELLPEFVRTGEVEMEAVHLERRDGVARLTMCRDDRLNAEDGQQVDDMETAVDLALLDPGVRVGLLRGGVMSHPRYRGKRVFSAGINLKYLSQGGISLVDFLMRRELGYIHKLVRGVLTNDDRPGWWHSPRIEKPWVAAVDGFAIGGGAQLLLVFDRVLASSDAYFSLPAAKEGIIPGAANLRLGRFAGPRVSRQVILEGRRIWAKEPEARLLVDEVVEPDELDAAIERSLTRLDGDAVLANRRMLNLADESPDGFRAYMAEFALMQALRLYGHDTIDKVGRFGGRPPA

Source Source

Source organism organism	Streptomyces toyocaensis
NCBI taxonomy ID ncbi_taxonomy_id	55952
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	;[(2R,3S,4R,5R)-5-(6-AMINO-9H-PURIN-9-YL)-4-HYDROXY-3-(PHOSPHONOOXY)TETRAHYDROFURAN-2-YL]METHYL (3R)-4-({3-[(2-{[(3,5-DIHYDROXYPHENYL)ACETYL]AMINO}ETHYL)AMINO]-3-OXOPROPYL}AMINO)-3-HYDROXY-2,2-DIMETHYL-4-OXOBUTYL DIHYDROGEN DIPHOSPHATE ;
Molecular weight formula_weight	900.6 kDa
Source method src_method	nat
Copy count entity_count	12

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	738

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6. Fold Classification (SCOP + CATH) 24 domains

CATH v4.4 (24 domains)

Domain ID domain_id	5kahA01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1300 —

Domain ID domain_id	5kahA02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

Domain ID domain_id	5kahB01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1300 —

Domain ID domain_id	5kahB02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

Domain ID domain_id	5kahC01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1300 —

Domain ID domain_id	5kahC02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

Domain ID domain_id	5kahD01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1300 —

Domain ID domain_id	5kahD02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

Domain ID domain_id	5kahE01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1300 —

Domain ID domain_id	5kahE02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

Domain ID domain_id	5kahF01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1300 —

Domain ID domain_id	5kahF02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

Domain ID domain_id	5kahG01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1300 —

Domain ID domain_id	5kahG02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

Domain ID domain_id	5kahH01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1300 —

Domain ID domain_id	5kahH02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

Domain ID domain_id	5kahI01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1300 —

Domain ID domain_id	5kahI02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

Domain ID domain_id	5kahJ01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1300 —

Domain ID domain_id	5kahJ02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

Domain ID domain_id	5kahK01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1300 —

Domain ID domain_id	5kahK02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

Domain ID domain_id	5kahL01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily	1300 —

Domain ID domain_id	5kahL02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

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Unit-cell length a length_a	139.772 Å
Unit-cell length b length_b	171.958 Å
Unit-cell length c length_c	156.111 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.02 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	24

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

Resolution resolution	2.779 Å
Low-resolution limit resolution_low	39.028 Å
R factor r_factor	0.2029
R_work r_work	0.1976
R_free r_free	0.2310

Crystal structure of a dioxygenase in the Crotonase superfamily in P21, V425T mutant

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

(3,5-dihydroxyphenyl)acetyl-CoA 1,2-dioxygenase

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

5kah__assembly_2__model_1

5kah__assembly_2__model_1 | I(q)

5kah__assembly_2__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) 24 domains

CATH v4.4 (24 domains)

7. Citations (1)

Crystal structure of a dioxygenase in the Crotonase superfamily in P21, V425T mutant

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

(3,5-dihydroxyphenyl)acetyl-CoA 1,2-dioxygenase

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

5kah__assembly_2__model_1

5kah__assembly_2__model_1 | I(q)

5kah__assembly_2__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) 24 domains

CATH v4.4 (24 domains)

7. Citations (1)