SAXSdb — 6csc

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

CITRATE SYNTHASE

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	TRIFLUOROACETONYL COENZYME A × 2 CITRIC ACID × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CISY_CHICK
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–433； UniProt 1–429 Author chain B； PDBConstruct 1–433； UniProt 1–429

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	6csc
Deposition date deposition_date	1997-06-19
Structure title title	CHICKEN CITRATE SYNTHASE COMPLEX WITH TRIFLUOROACETONYL-COA AND CITRATE
Keywords keywords	OXO-ACID-LYASE, TRICARBOXYLIC ACID CYCLE, ALLOSTERIC ENZYME; OXO-ACID-LYASE
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.

6csc__assembly_1__model_1

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

Download this curve (.dat)

6csc__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6csc__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	27.61 Å
Rg (electron density)	26.63 Å
Total Rg	27.43 Å
Atom count	6923
Residues	871
Excluded volume	123190 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6csc__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	CITRATE SYNTHASE
Molecular weight formula_weight	48333.1 kDa
EC 编号 ec_number	4.1.3.7
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	7101

ASSTNLKDVLASLIPKEQARIKTFRQQHGNTAVGQITVDMSYGGMRGMKGLIYETSVLDPDEGIRFRGFSIPECQKLLPKAGGGEEPLPEGLFWLLVTGQIPTPEQVSWVSKEWAKRAALPSHVVTMLDNFPTNLHPMSQLSAAITALNSESNFARAYAEGINRTKYWEFVYEDAMDLIAKLPCVAAKIYRNLYRAGSSIGAIDSKLDWSHNFTNMLGYTDPQFTELMRLYLTIHSDHEGGNVSAHTSHLVGSALSDPYLSFAAAMNGLAGPLHGLANQEVLLWLSQLQKDLGADASDEKLRDYIWNTLNSGRVVPGYGHAVLRKTDPRYTCQREFALKHLPSDPMFKLVAQLYKIVPNVLLEQGKAKNPWPNVDAHSGVLLQYYGMTEMNYYTVLFGVSRALGVLAQLIWSRALGFPLERPKSMSTAGLEKLSAGG

Entity 2 Entity 2 non-polymer

Description description	TRIFLUOROACETONYL COENZYME A
Molecular weight formula_weight	877.6 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	CITRIC ACID
Molecular weight formula_weight	192.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	146

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d6csca_
Class class	a — All alpha proteins
Fold Fold fold	a.103 — Citrate synthase
Superfamily Superfamily superfamily	a.103.1 — Citrate synthase
Family Family family	a.103.1.1 — Citrate synthase

Domain ID domain_id	d6cscb_
Class class	a — All alpha proteins
Fold Fold fold	a.103 — Citrate synthase
Superfamily Superfamily superfamily	a.103.1 — Citrate synthase
Family Family family	a.103.1.1 — Citrate synthase

CATH v4.4 (4 domains)

Domain ID domain_id	6cscA01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	580 — Citrate Synthase; domain 1
Homologous superfamily homologous superfamily	10 — Citrate Synthase, domain 1

Domain ID domain_id	6cscA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	230 — Cytochrome p450-Terp; domain 2
Homologous superfamily homologous superfamily	10 — Cytochrome P450-Terp, domain 2

Domain ID domain_id	6cscB01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	580 — Citrate Synthase; domain 1
Homologous superfamily homologous superfamily	10 — Citrate Synthase, domain 1

Domain ID domain_id	6cscB02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	230 — Cytochrome p450-Terp; domain 2
Homologous superfamily homologous superfamily	10 — Cytochrome P450-Terp, domain 2

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Unit-cell length a length_a	110.370 Å
Unit-cell length b length_b	100.210 Å
Unit-cell length c length_c	87.840 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	2.250 Å
Low-resolution limit resolution_low	25.000 Å
R factor r_factor	—
R_work r_work	0.1580
R_free r_free	—

CHICKEN CITRATE SYNTHASE COMPLEX WITH TRIFLUOROACETONYL-COA AND CITRATE

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

CITRATE 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

6csc__assembly_1__model_1

6csc__assembly_1__model_1 | I(q)

6csc__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (4)

CHICKEN CITRATE SYNTHASE COMPLEX WITH TRIFLUOROACETONYL-COA AND CITRATE

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

CITRATE 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

6csc__assembly_1__model_1

6csc__assembly_1__model_1 | I(q)

6csc__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

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (4)