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PDBsum entry 2a9r

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protein metals links
Signaling protein PDB id
2a9r
Jmol
Contents
Protein chain
118 a.a. *
Metals
_XE
_MG
Waters ×16
* Residue conservation analysis
PDB id:
2a9r
Name: Signaling protein
Title: Rr02-rec phosphate in the active site
Structure: DNA-binding response regulator. Chain: a. Fragment: n-terminal domain, residues 1-120. Engineered: yes
Source: Streptococcus pneumoniae. Organism_taxid: 170187. Strain: tigr4. Expressed in: escherichia coli bl21(de3). Expression_system_taxid: 469008.
Resolution:
2.34Å     R-factor:   0.202     R-free:   0.246
Authors: A.Riboldi-Tunnicliffe
Key ref: A.Riboldi-Tunnicliffe Crystal structures of an activated yycf homologue, The essential response regulator from s. Pneumoniae in complex with bef3 and the effect of ph on bef3 binding, Possible phosphate in the active site. To be published, .
Date:
12-Jul-05     Release date:   26-Sep-06    
PROCHECK
Go to PROCHECK summary
 Headers
 References

Protein chain
Pfam   ArchSchema ?
Q9S1K0  (Q9S1K0_STRPN) -  Putative response regulator
Seq:
Struc:
234 a.a.
118 a.a.*
Key:    PfamA domain  Secondary structure  CATH domain
* PDB and UniProt seqs differ at 1 residue position (black cross)

 Gene Ontology (GO) functional annotation 
  GO annot!
  Biological process     two-component signal transduction system (phosphorelay)   1 term 
  Biochemical function     two-component response regulator activity     1 term