2FEP

Structure of truncated CcpA in complex with P-Ser-HPr and Sulfate ions

• PDB DOI: https://doi.org/10.2210/pdb2FEP/pdb

• Classification: TRANSCRIPTION
• Organism(s): Bacillus subtilis
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2005-12-16 Released: 2006-06-27 
• Deposition Author(s): Chaptal, V., Gueguen-Chaignon, V., Poncet, S., Lecampion, C., Meyer, P., Deutscher, J., Galinier, A., Nessler, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.284 
• R-Value Work: 0.209 

Starting Model: experimental

Literature

Structural analysis of B. subtilis CcpA effector binding site.

Chaptal, V., Gueguen-Chaignon, V., Poncet, S., Lecampion, C., Meyer, P., Deutscher, J., Galinier, A., Nessler, S., Morera, S.

(2006) Proteins 64: 814-816

• PubMed: 16755587 
• DOI: https://doi.org/10.1002/prot.21001
• Primary Citation of Related Structures:  
  2FEP

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Organizational Affiliation: 

Laboratoire d'Enzymologie et Biochimie Structurales, CNRS FRE 2930, Gif-sur-Yvette, France.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 41.75 kDa 
• Atom Count: 2,885 
• Modelled Residue Count: 360 
• Deposited Residue Count: 377 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Catabolite control protein A	A	289	Bacillus subtilis	Mutation(s): 0  Gene Names: ccpA, alsA, amyR, graR
UniProt
Find proteins for P25144 (Bacillus subtilis (strain 168)) Explore P25144  Go to UniProtKB:  P25144

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphocarrier protein HPr	B [auth S]	88	Bacillus subtilis	Mutation(s): 1  Gene Names: ptsH
UniProt
Find proteins for P08877 (Bacillus subtilis (strain 168)) Explore P08877  Go to UniProtKB:  P08877

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth A], E [auth S]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SEP	B [auth S]	L-PEPTIDE LINKING	C3 H8 N O6 P		SER

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.284 
• R-Value Work: 0.209 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.62	α = 90
b = 67.62	β = 90
c = 167.218	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
CNS	refinement
CCP4	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-06-27 
Deposition Author(s): Chaptal, V., Gueguen-Chaignon, V., Poncet, S., Lecampion, C., Meyer, P., Deutscher, J., Galinier, A., Nessler, S.

Revision History  

• Version 1.0: 2006-06-27
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-08-30
  Changes: Data collection, Database references, Derived calculations, Refinement description