› 1yy7

X-ray diffraction
2.02Å resolution

Crystal structure of stringent starvation protein A (SspA), an RNA polymerase-associated transcription factor

Released:
DOI: 10.2210/pdb1yy7/pdb
PDB entry 1yy7 coloured by chain, front view.
PDB entry 1yy7 coloured by chain, side view.
PDB entry 1yy7 coloured by chain, top view.
Source organism: Yersinia pestis
Primary publication:
Structural basis for the function of stringent starvation protein a as a transcription factor.
Hansen AM, Gu Y, Li M, Andrykovitch M, Waugh DS, Jin DJ, Ji X
J Biol Chem 280 17380-91 (2005)
PMID: 15735307

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-105470 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Stringent starvation protein A Chains: A, B
Molecule details ›
Chains: A, B
Length: 213 amino acids
Theoretical weight: 24.55 KDa
Source organism: Yersinia pestis
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: A0A2U2GZL1 (Residues: 1-213; Coverage: 100%)
Gene names: YPO3561, pog, ssp, sspA
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand CIT 2 x CIT
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X9B
Spacegroup: P6522
Unit cell:
a: 100.412Å b: 100.412Å c: 181.89Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.181 0.179 0.215
Expression system: Escherichia coli BL21

Quick links

Citations

7 review citations

Glutathione transferases: a structural perspective.
Oakley A. (2011)
6 more

7 mentions without citation

The Escherichia coli phosphotyrosine proteome relates to core pathways and virulence.
Hansen et al. (2013)
6 more