5csc

STRUCTURE OF AN OPEN FORM OF CHICKEN HEART CITRATE SYNTHASE AT 2.8 ANGSTROMS RESOLUTION

Method: X-RAY DIFFRACTION Dmax: 92.8 Å Quality: GOOD

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

CITRATE SYNTHASE

Gallus gallus

UniProt P23007

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–433 Chain B; UniProt 1–433 Not recorded No other associated polymer X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.80 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

13 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CISY_CHICK
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–433; UniProt 1–433 Author chain B; PDBConstruct 1–429; UniProt 1–433

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.

SAXS scattering curve SAXS Profile

SAXS profile for 5csc

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5csc
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5csc
Deposition date deposition_date1990-05-07
Structure title titleSTRUCTURE OF AN OPEN FORM OF CHICKEN HEART CITRATE SYNTHASE AT 2.8 ANGSTROMS RESOLUTION
Keywords keywordsOXO-ACID-LYASE; OXO-ACID-LYASE
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier28.57
Radius of gyration Rg (electron density) rg_electron27.59
Forward intensity I(0) i0135873000.00
Molecular weight molecular_weight93750.0 kDa
Excluded volume excluded_volume117970 ų
Envelope volume envelope_volume141150 ų
Hydration-shell volume shell_volume41107 ų
Envelope diameter envelope_diameter98.2
Shell Rg shell_rg36.24
Envelope Rg envelope_rg27.76
Shape Rg shape_rg27.60
Total Rg total_rg28.38
Total atoms total_atoms6606
Residues n_residues858
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax92.8
Rg (real space) rg_real28.47
Rg uncertainty (real space) rg_real_error0.53
I(0) (real space) i0_real1.3590e+08
I(0) uncertainty (real space) i0_real_error1.8260e+06
Rg (reciprocal space) rg_reciprocal28.51
I(0) (reciprocal space) i0_reciprocal135900000.0000
Solution quality estimate total_estimate0.8869
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary34.8
Skewness Skewness skewness0.256
Kurtosis Kurtosis kurtosis-0.318
Angular range angular_range— – 0.2800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha31290000.0000
Real-space data points n_real_points57
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.853; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.967

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5csca_
Class classa — All alpha proteins
Fold Fold folda.103 — Citrate synthase
Superfamily Superfamily superfamilya.103.1 — Citrate synthase
Family Family familya.103.1.1 — Citrate synthase
Domain ID domain_idd5cscb_
Class classa — All alpha proteins
Fold Fold folda.103 — Citrate synthase
Superfamily Superfamily superfamilya.103.1 — Citrate synthase
Family Family familya.103.1.1 — Citrate synthase

CATH v4.4 (4 domains)

Domain ID domain_id5cscA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology580 — Citrate Synthase; domain 1
Homologous superfamily homologous superfamily10 — Citrate Synthase, domain 1
Domain ID domain_id5cscA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology230 — Cytochrome p450-Terp; domain 2
Homologous superfamily homologous superfamily10 — Cytochrome P450-Terp, domain 2
Domain ID domain_id5cscB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology580 — Citrate Synthase; domain 1
Homologous superfamily homologous superfamily10 — Citrate Synthase, domain 1
Domain ID domain_id5cscB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology230 — Cytochrome p450-Terp; domain 2
Homologous superfamily homologous superfamily10 — Cytochrome P450-Terp, domain 2

8. Citations (5)

9. Files and Curves (10)