Structure analysis

Crystal structure of cAMP-dependent protein kinase catalytic subunit alpha in complex with peptide inhibitor PKI alpha (6-25)

X-ray diffraction
1.6Å resolution
Source organism: Mus musculus
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero dimer
Accessible surface area: 15355.25 Å2
Buried surface area: 3229.9 Å2
Dissociation area: 1,056.46 Å2
Dissociation energy (ΔGdiss): 6.03 kcal/mol
Dissociation entropy (TΔSdiss): 8.95 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-138546

Macromolecules

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Chain: I
Length: 20 amino acids
Theoretical weight: 2.23 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: P63248 (Residues: 6-25; Coverage: 26%)
Gene name: Pkia
InterPro: cAMP-dependent protein kinase inhibitor

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