SAXSdb — 1eab

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

DIHYDROLIPOYL-TRANSACETYLASE

Azotobacter vinelandii

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 24	COENZYME A × 24 6,8-DIMERCAPTO-OCTANOIC ACID AMIDE × 24 water × 24	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ODP2_AZOVI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–243； UniProt 395–637

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	1eab
Deposition date deposition_date	1992-12-16
Structure title title	ATOMIC STRUCTURE OF THE CUBIC CORE OF THE PYRUVATE DEHYDROGENASE MULTIENZYME COMPLEX
Keywords keywords	DIHYDROLIPOAMIDE ACETYLTRANSFERASE; DIHYDROLIPOAMIDE ACETYLTRANSFERASE
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.

1eab__assembly_1__model_1

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

Download this curve (.dat)

1eab__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1eab__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	63.23 Å
Rg (electron density)	62.33 Å
Total Rg	62.46 Å
Atom count	45024
Residues	5832
Excluded volume	813070 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1eab__assembly_1__model_1`	24-meric （24）	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	DIHYDROLIPOYL-TRANSACETYLASE
Molecular weight formula_weight	26241.7 kDa
EC 编号 ec_number	2.3.1.12
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	1918

IPPIPPVDFAKYGEIEEVPMTRLMQIGATNLHRSWLNVPHVTQFESADITELEAFRVAQKAVAKKAGVKLTVLPLLLKACAYLLKELPDFNSSLAPSGQALIRKKYVHIGFAVDTPDGLLVPVIRNVDQKSLLQLAAEAAELAEKARSKKLGADAMQGACFTISSLGHIGGTAFTPIVNAPEVAILGVSKASMQPVWDGKAFQPRLMLPLSLSYDHRVINGAAAARFTKRLGDLLADIRAILL

Source Source

Source organism organism	Azotobacter vinelandii
NCBI taxonomy ID ncbi_taxonomy_id	354

Entity 2 Entity 2 non-polymer

Description description	COENZYME A
Molecular weight formula_weight	767.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	6,8-DIMERCAPTO-OCTANOIC ACID AMIDE
Molecular weight formula_weight	207.4 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	42

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1eaba_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.43 — CoA-dependent acyltransferases
Superfamily Superfamily superfamily	c.43.1 — CoA-dependent acyltransferases
Family Family family	c.43.1.1 — CAT-like

CATH v4.4 (1 domains)

Domain ID domain_id	1eabA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	559 — Chloramphenicol Acetyltransferase
Homologous superfamily homologous superfamily	10 — Chloramphenicol acetyltransferase-like domain

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Unit-cell length a length_a	225.540 Å
Unit-cell length b length_b	225.540 Å
Unit-cell length c length_c	225.540 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	96

Space group space_group	F 4 3 2
Space-group number int_tables_number	209
Crystal system crystal_system	—

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	10.000 Å
R factor r_factor	0.1980
R_work r_work	0.1980
R_free r_free	—

ATOMIC STRUCTURE OF THE CUBIC CORE OF THE PYRUVATE DEHYDROGENASE MULTIENZYME COMPLEX

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

DIHYDROLIPOYL-TRANSACETYLASE

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

1eab__assembly_1__model_1

1eab__assembly_1__model_1 | I(q)

1eab__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 (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 (4)

ATOMIC STRUCTURE OF THE CUBIC CORE OF THE PYRUVATE DEHYDROGENASE MULTIENZYME COMPLEX

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

DIHYDROLIPOYL-TRANSACETYLASE

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

1eab__assembly_1__model_1

1eab__assembly_1__model_1 | I(q)

1eab__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 (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 (4)