SAXSdb — 3fk5

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

3-oxoacyl-synthase III

Xanthomonas oryzae pv. oryzae

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q5GV10_XANOR
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–338； UniProt 1–338

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	3fk5
Deposition date deposition_date	2008-12-16
Structure title title	Crystal structure of 3-oxoacyl-(acyl carrier protein) synthase III, FabH (Xoo4209) from Xanthomonas oryzae pv. oryzae KACC10331
Keywords keywords	Bacterial blight, Xoo4209, FabH, Xanthomonas oryzae pv. oryzae KACC10331, Cytoplasm, Multifunctional enzyme, Transferase; TRANSFERASE
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.

3fk5__assembly_1__model_1

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

Download this curve (.dat)

3fk5__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3fk5__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.18 Å
Rg (electron density)	20.08 Å
Total Rg	20.98 Å
Atom count	2556
Residues	338
Excluded volume	45662 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3fk5__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3fk5__assembly_2__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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	3fk5A01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

Domain ID domain_id	3fk5A02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

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Unit-cell length a length_a	69.750 Å
Unit-cell length b length_b	79.450 Å
Unit-cell length c length_c	62.290 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	4

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.050 Å
Low-resolution limit resolution_low	29.000 Å
R factor r_factor	0.1772
R_work r_work	0.1742
R_free r_free	0.2369

Description description	3-oxoacyl-synthase III
Molecular weight formula_weight	36493.9 kDa
EC 编号 ec_number	2.3.1.41
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2801

Crystal structure of 3-oxoacyl-(acyl carrier protein) synthase III, FabH (Xoo4209) from Xanthomonas oryzae pv. oryzae KACC10331

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

3-oxoacyl-synthase III

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

3fk5__assembly_1__model_1

3fk5__assembly_1__model_1 | I(q)

3fk5__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Xanthomonas oryzae pv. oryzae
NCBI taxonomy ID ncbi_taxonomy_id	64187
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	245

Crystal structure of 3-oxoacyl-(acyl carrier protein) synthase III, FabH (Xoo4209) from Xanthomonas oryzae pv. oryzae KACC10331

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

3-oxoacyl-synthase III

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

3fk5__assembly_1__model_1

3fk5__assembly_1__model_1 | I(q)

3fk5__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)