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Crystal structure of D138L mutant of Catabolite Gene Activator Protein

X-ray diffraction
1.66Å resolution
PDB entry 3kcc coloured by chain, front view.
PDB entry 3kcc coloured by chain, side view.
PDB entry 3kcc coloured by chain, top view.
Source organism: Escherichia coli K-12
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: DNA-binding transcriptional dual regulator CRP
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Multimeric state: homo dimer
Accessible surface area: 18167.55 Å2
Buried surface area: 5683.85 Å2
Dissociation area: 1,710.69 Å2
Dissociation energy (ΔGdiss): 26.63 kcal/mol
Dissociation entropy (TΔSdiss): 13 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-142283

Macromolecules

DNA-binding transcriptional dual regulator CRP
Chains: A, B
Length: 260 amino acids
Theoretical weight: 29.11 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0ACJ8 (Residues: 1-210; Coverage: 100%)
Gene names: JW5702, b3357, cap, crp, csm
Pfam:
InterPro:
CATH:
DNA-binding transcriptional dual regulator CRP in PDB entry 3kcc, assembly 1, front view.
DNA-binding transcriptional dual regulator CRP in PDB entry 3kcc, assembly 1, side view.
DNA-binding transcriptional dual regulator CRP in PDB entry 3kcc, assembly 1, top view.
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