2O3O image
Deposition Date 2006-12-01
Release Date 2007-04-10
Last Version Date 2024-10-16
Entry Detail
PDB ID:
2O3O
Keywords:
SIGNALING PROTEIN
Title:
Crystal Structure of the sensor histidine kinase regulator YycI from Bacillus subtitlis
Biological Source:
Source Organism:
Bacillus subtilis (Taxon ID: 1423)
Host Organism:
Escherichia coli BL21(DE3)
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
2.89 Å
R-Value Free:
0.26
R-Value Work:
0.21
R-Value Observed:
0.21
Space Group:
P 1 21 1
2O3O validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Molecule:YycI protein
Gene (Uniprot):yycI
Chain IDs:A, B, C, D, E, F, G, H, I, J, K, L
Chain Length:254
Number of Molecules:12
Biological Source:Bacillus subtilis
UniProt ID:Q45612 Pfam ID:PF09648
Modified Residue
Compound ID Chain ID Parent Comp ID Details 2D Image
MSE A MET SELENOMETHIONINE
Ligand Molecules
CL
Primary Citation
The Crystal Structure of Bacillus subtilis YycI Reveals a Common Fold for Two Members of an Unusual Class of Sensor Histidine Kinase Regulatory Proteins.
J.Bacteriol. 189 3290 3295 (2007)
PMID: 17307848 DOI: 10.1128/JB.01937-06

Abstact

YycI and YycH are two membrane-anchored periplasmic proteins that regulate the essential Bacillus subtilis YycG histidine kinase through direct interaction. Here we present the crystal structure of YycI at a 2.9-A resolution. YycI forms a dimer, and remarkably the structure resembles that of the two C-terminal domains of YycH despite nearly undetectable sequence homology (10%) between the two proteins.

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Primary Citation of related structures
2O3O