SAXSdb — 7ldt

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

Acetyl-CoA acetyltransferase

Zoogloea ramigera

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	SULFATE ION × 4 COENZYME A × 4 RUBIDIUM ION × 4 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	THIL_ZOORA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 8–399； UniProt 2–392 Author chain B； PDBConstruct 8–399； UniProt 2–392 Author chain C； PDBConstruct 8–399； UniProt 2–392 Author chain D； PDBConstruct 8–399； UniProt 2–392

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	7ldt
Deposition date deposition_date	2021-01-14
Structure title title	Zoogloea ramigera biosynthetic thiolase Q183Y/Y218E mutant, RbCl soak
Keywords keywords	;acetyl-CoA C-acetyltransferase, acetoacetyl-CoA thiolase, type II thiolase, biosynthetic thiolase, potassium activation, 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.

7ldt__assembly_1__model_1

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

Download this curve (.dat)

7ldt__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7ldt__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	37.68 Å
Rg (electron density)	37.33 Å
Total Rg	37.64 Å
Atom count	11391
Residues	1552
Excluded volume	201620 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7ldt__assembly_1__model_1`	tetrameric （4）	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 (5)

Entity 1 Entity 1 polymer

Description description	Acetyl-CoA acetyltransferase
Molecular weight formula_weight	41544.3 kDa
EC 编号 ec_number	2.3.1.9
Mutation mutation	Q183Y/Y218E
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	12259

MHHHHHHSTPSIVIASAARTAVGSFNGAFANTPAHELGATVISAVLERAGVAAGEVNEVILGQVLPAGEGQNPARQAAMKAGVPQEATAWGMNQLCGSGLRAVALGMQQIATGDASIIVAGGMESMSMAPHCAHLRGGVKMGDFKMIDTMIKDGLTDAFYGYHMGTTAENVAKQWQLSRDEQDAFAVASYNKAEAAQKDGRFKDEIVPFIVKGRKGDITVDADEEIRHGATLDSMAKLRPAFDKEGTVTAGNASGLNDGAAAALLMSEAEASRRGIQPLGRIVSWATVGVDPKVMGTGPIPASRKALERAGWKIGDLDLVEANEAFAAQACAVNKDLGWDPSIVNVNGGAIAIGHPIGASGARILNTLLFEMKRRGARKGLATLCIGGGMGVAMCIESL

Source Source

Source organism organism	Zoogloea ramigera
NCBI taxonomy ID ncbi_taxonomy_id	350
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 non-polymer

Description description	COENZYME A
Molecular weight formula_weight	767.5 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 4 Entity 4 non-polymer

Description description	RUBIDIUM ION
Molecular weight formula_weight	85.5 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	868

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Unit-cell length a length_a	84.244 Å
Unit-cell length b length_b	79.758 Å
Unit-cell length c length_c	150.583 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	93.71 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

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

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	34.820 Å
R factor r_factor	0.1968
R_work r_work	0.1946
R_free r_free	0.2385

Zoogloea ramigera biosynthetic thiolase Q183Y/Y218E mutant, RbCl soak

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

Acetyl-CoA acetyltransferase

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

7ldt__assembly_1__model_1

7ldt__assembly_1__model_1 | I(q)

7ldt__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 (5)

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 non-polymer

Entity 5 Entity 5 water

7. Citations (1)

Zoogloea ramigera biosynthetic thiolase Q183Y/Y218E mutant, RbCl soak

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

Acetyl-CoA acetyltransferase

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

7ldt__assembly_1__model_1

7ldt__assembly_1__model_1 | I(q)

7ldt__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 (5)

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 non-polymer

Entity 5 Entity 5 water

7. Citations (1)