6CSC | pdb_00006csc

CHICKEN CITRATE SYNTHASE COMPLEX WITH TRIFLUOROACETONYL-COA AND CITRATE

• PDB DOI: https://doi.org/10.2210/pdb6CSC/pdb

• Classification: OXO-ACID-LYASE
• Organism(s): Gallus gallus
• Mutation(s): No 


• Deposited: 1997-06-19 Released: 1997-12-24 
• Deposition Author(s): Usher, K.C., Remington, S.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Work: 
  0.158 (Depositor), 0.150 (DCC) 

Starting Model: experimental

Literature

Trifluoroacetonyl Coenzyme A, an Inhibitor of Citrate Synthase, Binds in a Combination of Productive and Nonproductive Modes

Usher, K.C., Branchaud, B., Remington, S.J.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 98.81 kDa 
• Atom Count: 7,101 
• Modeled Residue Count: 871 
• Deposited Residue Count: 874 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CITRATE SYNTHASE	A, B	437	Gallus gallus	Mutation(s): 0  EC: 4.1.3.7 (PDB Primary Data), 2.3.3.1 (UniProt)
UniProt
Find proteins for P23007 (Gallus gallus) Explore P23007  Go to UniProtKB:  P23007

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
COF	C [auth A], E [auth B]	TRIFLUOROACETONYL COENZYME A C24 H37 F3 N7 O17 P3 S XDIQTPZOIIYCTR-GRFIIANRSA-N
CIT	D [auth A], F [auth B]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Work:  0.158 (Depositor), 0.150 (DCC) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 110.37	α = 90
b = 100.21	β = 90
c = 87.84	γ = 90

Software Package:

Software Name	Purpose
FASTRAN	model building
ROTFUN	model building
TNT	refinement
SDMS	data reduction
SDMS	data scaling
FASTRAN	phasing
ROTFUN	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1997-12-24 
Deposition Author(s): Usher, K.C., Remington, S.J.

Revision History  

• Version 1.0: 1997-12-24
  Type: Initial release
  
• Version 1.1: 2008-03-25
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-11-29
  Changes: Derived calculations, Other
• Version 1.4: 2023-08-09
  Changes: Database references, Derived calculations, Refinement description
• Version 1.5: 2024-05-22
  Changes: Data collection