1i6x

X-ray diffraction
2.2Å resolution

STRUCTURE OF A STAR MUTANT CRP-CAMP AT 2.2 A

Released:
Source organism: Escherichia coli
Entry authors: White MA, Lee JC, Fox RO

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
cAMP-activated global transcriptional 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:

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