› 2pqq

X-ray diffraction
2Å resolution

Structural Genomics, the crystal structure of the N-terminal domain of a transcriptional regulator from Streptomyces coelicolor A3(2)

Released:
DOI: 10.2210/pdb2pqq/pdb
PDB entry 2pqq coloured by chain, front view.
PDB entry 2pqq coloured by chain, side view.
PDB entry 2pqq coloured by chain, top view.
Source organism: Streptomyces coelicolor A3(2)
Entry authors: Tan K, Xu X, Zheng H, Savchenko A, Edwards AM, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-194973 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Transcriptional regulator Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 149 amino acids
Theoretical weight: 16.38 KDa
Source organism: Streptomyces coelicolor A3(2)
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q9XA42 (Residues: 1-145; Coverage: 65%)
Gene names: SCH17.05, SCO3571
Sequence domains: Cyclic nucleotide-binding domain
Structure domains: Jelly Rolls

Ligands and Environments

1 bound ligand:
Ligand FMT 3 x FMT
1 modified residue:
Ligand MSE 16 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P212121
Unit cell:
a: 39.852Å b: 100.946Å c: 144.119Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.232 0.229 0.281
Expression system: Escherichia coli BL21

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