SAXSdb — 1mkb

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

BETA-HYDROXYDECANOYL THIOL ESTER DEHYDRASE

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	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	FABA_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–171； UniProt 1–171 Author chain B； PDBConstruct 1–171； UniProt 1–171

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	1mkb
Deposition date deposition_date	1996-01-08
Structure title title	ESCHERICHIA COLI BETA-HYDROXYDECANOYL THIOL ESTER DEHYDRASE AT PH 5 AND 21 DEGREES C
Keywords keywords	FATTY ACID BIOSYNTHESIS; FATTY ACID BIOSYNTHESIS
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.

1mkb__assembly_1__model_1

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

Download this curve (.dat)

1mkb__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1mkb__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.87 Å
Rg (electron density)	19.62 Å
Total Rg	20.54 Å
Atom count	2650
Residues	342
Excluded volume	47629 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1mkb__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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1mkba_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.38 — Thioesterase/thiol ester dehydrase-isomerase
Superfamily Superfamily superfamily	d.38.1 — Thioesterase/thiol ester dehydrase-isomerase
Family Family family	d.38.1.2 — beta-Hydroxydecanol thiol ester dehydrase

Domain ID domain_id	d1mkbb_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.38 — Thioesterase/thiol ester dehydrase-isomerase
Superfamily Superfamily superfamily	d.38.1 — Thioesterase/thiol ester dehydrase-isomerase
Family Family family	d.38.1.2 — beta-Hydroxydecanol thiol ester dehydrase

CATH v4.4 (2 domains)

Domain ID domain_id	1mkbA00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	129 — Thiol Ester Dehydrase; Chain A
Homologous superfamily homologous superfamily	10 — Hotdog Thioesterase

Domain ID domain_id	1mkbB00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	129 — Thiol Ester Dehydrase; Chain A
Homologous superfamily homologous superfamily	10 — Hotdog Thioesterase

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Unit-cell length a length_a	68.500 Å
Unit-cell length b length_b	86.900 Å
Unit-cell length c length_c	60.500 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 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	7.000 Å
R factor r_factor	0.1830
R_work r_work	0.1830
R_free r_free	0.2430

Description description	BETA-HYDROXYDECANOYL THIOL ESTER DEHYDRASE
Molecular weight formula_weight	18859.8 kDa
EC 编号 ec_number	4.2.1.60
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2813

ESCHERICHIA COLI BETA-HYDROXYDECANOYL THIOL ESTER DEHYDRASE AT PH 5 AND 21 DEGREES C

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

BETA-HYDROXYDECANOYL THIOL ESTER DEHYDRASE

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

1mkb__assembly_1__model_1

1mkb__assembly_1__model_1 | I(q)

1mkb__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
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	163

ESCHERICHIA COLI BETA-HYDROXYDECANOYL THIOL ESTER DEHYDRASE AT PH 5 AND 21 DEGREES C

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

BETA-HYDROXYDECANOYL THIOL ESTER DEHYDRASE

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

1mkb__assembly_1__model_1

1mkb__assembly_1__model_1 | I(q)

1mkb__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)