2AK7

structure of a dimeric P-Ser-Crh

• PDB DOI: https://doi.org/10.2210/pdb2AK7/pdb

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


• Deposited: 2005-08-03 Released: 2006-06-27 
• Deposition Author(s): Chaptal, V., Gueguen-Chaignon, V., Poncet, S., Lecampion, C., Lariviere, L., Meyer, P., Galinier, A., Deutscher, J., Nessler, S., Morera, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.214 
• R-Value Work: 0.199 

Starting Model: experimental

Literature

X-ray structure of a domain-swapped dimer of Ser46-phosphorylated Crh from Bacillus subtilis.

Chaptal, V., Lariviere, L., Gueguen-Chaignon, V., Galinier, A., Nessler, S., Morera, S.

(2006) Proteins 63: 249-251

• PubMed: 16411239 
• DOI: https://doi.org/10.1002/prot.20816
• Primary Citation of Related Structures:  
  2AK7

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Organizational Affiliation: 

Laboratoire d'Enzymologie et Biochimie Structurales, CNRS UPR9063, Gif-sur-Yvette, France.

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)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 19.25 kDa 
• Atom Count: 1,509 
• Modelled Residue Count: 172 
• Deposited Residue Count: 172 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HPr-like protein crh	A, B	86	Bacillus subtilis	Mutation(s): 1  Gene Names: crh
UniProt
Find proteins for O06976 (Bacillus subtilis (strain 168)) Explore O06976  Go to UniProtKB:  O06976

Small Molecules

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

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.214 
• R-Value Work: 0.199 
• Space Group: P 4₃ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.697	α = 90
b = 67.697	β = 90
c = 117.157	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
CNS	refinement

Structure Validation

Entry History 

Deposition Data

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

Revision History  

• Version 1.0: 2006-06-27
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-08-23
  Changes: Data collection, Database references, Derived calculations, Refinement description