X-ray diffraction
2.61Å resolution

Domain-domain flexibility leads to allostery within the camp receptor protein (CRP)

Source organism: Escherichia coli K-12
Entry authors: Knapp J, White MA, Lee JC

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
cAMP-activated global transcriptional regulator CRP Chains: A, B
Molecule details ›
Chains: A, B
Length: 210 amino acids
Theoretical weight: 23.73 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
  • Canonical: P0ACJ8 (Residues: 1-210; 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
Spacegroup: P21
Unit cell:
a: 45.59Å b: 102.81Å c: 54.24Å
α: 90° β: 110.81° γ: 90°
R R work R free
0.213 0.206 0.258
Expression system: Escherichia coli