SAXSdb — 4jpx

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

Phenylalanine-4-hydroxylase

Chromobacterium violaceum

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	PHENYLALANINE × 1 COBALT (II) ION × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PH4H_CHRVO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 6–302； UniProt 1–297

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	4jpx
Deposition date deposition_date	2013-03-19
Structure title title	Crystal structure of phenylalanine hydroxylase S203P mutant from Chromobacterium violaceum
Keywords keywords	hydroxylase, 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.

4jpx__assembly_1__model_1

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

Download this curve (.dat)

4jpx__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4jpx__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.54 Å
Rg (electron density)	18.30 Å
Total Rg	19.37 Å
Atom count	2199
Residues	275
Excluded volume	39333 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4jpx__assembly_1__model_1`	monomeric （1）	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 (4)

Entity 1 Entity 1 polymer

Description description	Phenylalanine-4-hydroxylase
Molecular weight formula_weight	34049.5 kDa
EC 编号 ec_number	1.14.16.1
Mutation mutation	S203P
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	2448

GLPGSMNDRADFVVPDITTRKNVGLSHDANDFTLPQPLDRYSAEDHATWATLYQRQCKLLPGRACDEFLEGLERLEVDADRVPDFNKLNEKLMAATGWKIVAVPGLIPDDVFFEHLANRRFPVTWWLREPHQLDYLQEPDVFHDLFGHVPLLINPVFADYLEAYGKGGVKAKALGALPMLARLYWYTVEFGLINTPAGMRIYGAGILPSKSESIYCLDSASPNRVGFDLMRIMNTRYRIDTFQKTYFVIDSFKQLFDATAPDFAPLYLQLADAQPWGAGDIAPDDLVLNAGDHQGWADTEDV

Source Source

Source organism organism	Chromobacterium violaceum
NCBI taxonomy ID ncbi_taxonomy_id	243365
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	PHENYLALANINE
Molecular weight formula_weight	165.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	COBALT (II) ION
Molecular weight formula_weight	58.9 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	193

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d4jpxa_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.178 — Aromatic aminoacid monoxygenases, catalytic and oligomerization domains
Superfamily Superfamily superfamily	d.178.1 — Aromatic aminoacid monoxygenases, catalytic and oligomerization domains
Family Family family	d.178.1.1 — Aromatic aminoacid monoxygenases, catalytic and oligomerization domains

CATH v4.4 (1 domains)

Domain ID domain_id	4jpxA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	800 — Phenylalanine Hydroxylase
Homologous superfamily homologous superfamily	10 — Aromatic amino acid hydroxylase

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Unit-cell length a length_a	36.989 Å
Unit-cell length b length_b	38.569 Å
Unit-cell length c length_c	47.871 Å
Unit-cell angle α angle_alpha	76.66 °
Unit-cell angle β angle_beta	73.21 °
Unit-cell angle γ angle_gamma	85.53 °
Molecules per unit cell Z z_pdb	1

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

Resolution resolution	1.550 Å
Low-resolution limit resolution_low	22.740 Å
R factor r_factor	0.1517
R_work r_work	0.1491
R_free r_free	0.2017

Crystal structure of phenylalanine hydroxylase S203P mutant from Chromobacterium violaceum

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

Phenylalanine-4-hydroxylase

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

4jpx__assembly_1__model_1

4jpx__assembly_1__model_1 | I(q)

4jpx__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Crystal structure of phenylalanine hydroxylase S203P mutant from Chromobacterium violaceum

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

Phenylalanine-4-hydroxylase

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

4jpx__assembly_1__model_1

4jpx__assembly_1__model_1 | I(q)

4jpx__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)