› 1i6x

X-ray diffraction
2.2Å resolution

STRUCTURE OF A STAR MUTANT CRP-CAMP AT 2.2 A

Released:
DOI: 10.2210/pdb1i6x/pdb
PDB entry 1i6x coloured by chain, front view.
PDB entry 1i6x coloured by chain, side view.
PDB entry 1i6x coloured by chain, top view.
Source organism: Escherichia coli
Entry authors: White MA, Lee JC, Fox RO

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-142283 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DNA-binding transcriptional dual regulator CRP Chains: A, B
Molecule details ›
Chains: A, B
Length: 209 amino acids
Theoretical weight: 23.56 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0ACJ8 (Residues: 2-210; Coverage: 100%)
Gene names: JW5702, b3357, cap, crp, csm
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
Ligand TRS 1 x TRS
Ligand CMP 3 x CMP
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MACSCIENCE, NSLS BEAMLINE X4A
Spacegroup: P212121
Unit cell:
a: 46.262Å b: 93.343Å c: 105.339Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.23 0.23 0.269
Expression system: Escherichia coli

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