SAXSdb — 1w0i

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

3-OXOACYL CARRIER PROTEIN SYNTHASE

ARABIDOPSIS THALIANA

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	POTASSIUM ION × 2 SULFATE ION × 3 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8L3X9
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–431； UniProt 31–461 Author chain B； PDBConstruct 1–431； UniProt 31–461

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	1w0i
Deposition date deposition_date	2004-06-04
Structure title title	Arabidopsis thaliana Mitochondrial KAS
Keywords keywords	BETA-KETOACYL-(ACYL CARRIER PROTEIN) SYNTHASE, CONDENSING ENZYME, FATTY ACID ELONGATION, LIPID METABOLISM, SYNTHASE; SYNTHASE
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.

1w0i__assembly_1__model_1

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

Download this curve (.dat)

1w0i__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1w0i__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.89 Å
Rg (electron density)	25.79 Å
Total Rg	26.68 Å
Atom count	6461
Residues	862
Excluded volume	114580 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1w0i__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 (4)

Entity 1 Entity 1 polymer

Description description	3-OXOACYL CARRIER PROTEIN SYNTHASE
Molecular weight formula_weight	45963.1 kDa
EC 编号 ec_number	2.3.1.41
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	7040

RRVVVTGLGMVTPLGRGVETTWRRLIDGECGIRGLTLDDLKMKSFDEETKLYTFDQLSSKVAAFVPYGSNPGEFDEALWLNSKAVANFIGYAVCAADEALRDAEWLPTEEEEKERTGVSIGGGIGSICDIVEAAQLICEKRLRRLSPFFIPKILVNMASGHVSMKYGFQGPNHAAVTACATGAHSIGDATRMIQFGDADVMVAGGTESSIDALSVAGFSRSRALSTKFNSSPQEASRPFDCDRDGFVIGEGSGVIVLEEYEHAKRRGAKIYAELCGYGMSGDAHHITQPPEDGKGAVLAMTRALRQSGLCPNQIDYVNAHATSTPIGDAVEARAIKTVFSEHATSGTLAFSSTKGATGHLLGAAGAVEAIFSILAIHHGVAPMTLNVKNPDPIFDKRFMPLTTSKKMLVRTAMSNSFGFGGTNASLLFASI

Source Source

Source organism organism	ARABIDOPSIS THALIANA
Common name common_name	MOUSE-EAR CRESS
NCBI taxonomy ID ncbi_taxonomy_id	3702
Host organism host_organism	ESCHERICHIA COLI BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	POTASSIUM ION
Molecular weight formula_weight	39.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	565

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1w0ia1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.95 — Thiolase-like
Superfamily Superfamily superfamily	c.95.1 — Thiolase-like
Family Family family	c.95.1.1 — Thiolase-related

Domain ID domain_id	d1w0ia2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.95 — Thiolase-like
Superfamily Superfamily superfamily	c.95.1 — Thiolase-like
Family Family family	c.95.1.1 — Thiolase-related

Domain ID domain_id	d1w0ib1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.95 — Thiolase-like
Superfamily Superfamily superfamily	c.95.1 — Thiolase-like
Family Family family	c.95.1.1 — Thiolase-related

Domain ID domain_id	d1w0ib2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.95 — Thiolase-like
Superfamily Superfamily superfamily	c.95.1 — Thiolase-like
Family Family family	c.95.1.1 — Thiolase-related

CATH v4.4 (4 domains)

Domain ID domain_id	1w0iA01
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	1w0iA02
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	1w0iB01
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	1w0iB02
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	72.218 Å
Unit-cell length b length_b	93.246 Å
Unit-cell length c length_c	74.007 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	106.43 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	23.660 Å
R factor r_factor	0.1780
R_work r_work	0.1780
R_free r_free	0.2210

Arabidopsis thaliana Mitochondrial KAS

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

3-OXOACYL CARRIER PROTEIN SYNTHASE

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

1w0i__assembly_1__model_1

1w0i__assembly_1__model_1 | I(q)

1w0i__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) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (2)

Arabidopsis thaliana Mitochondrial KAS

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

3-OXOACYL CARRIER PROTEIN SYNTHASE

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

1w0i__assembly_1__model_1

1w0i__assembly_1__model_1 | I(q)

1w0i__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) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (2)