› 4ib0

X-ray diffraction
1.87Å resolution

X-ray Structure of cAMP dependent protein kinase A in complex with high Na+ concentration, ADP and phosphorylated peptide pSP20

Released:
DOI: 10.2210/pdb4ib0/pdb
PDB entry 4ib0 coloured by chain, front view.
PDB entry 4ib0 coloured by chain, side view.
PDB entry 4ib0 coloured by chain, top view.
Source organisms:
Primary publication:
Metal-free cAMP-dependent protein kinase can catalyze phosphoryl transfer.
Gerlits O, Das A, Keshwani MM, Taylor S, Waltman MJ, Langan P, Heller WT, Kovalevsky A
Biochemistry 53 3179-86 (2014)
PMID: 24786636

Function and Biology Details

Reaction catalysed: 
ATP + a protein = ADP + a phosphoprotein
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-138544 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
cAMP-dependent protein kinase catalytic subunit alpha Chain: A
Molecule details ›
Chain: A
Length: 356 amino acids
Theoretical weight: 41.57 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: P05132 (Residues: 2-351; Coverage: 100%)
Gene names: Pkaca, Prkaca
Sequence domains: Protein kinase domain
Structure domains:
cAMP-dependent protein kinase inhibitor alpha Chain: S
Molecule details ›
Chain: S
Length: 20 amino acids
Theoretical weight: 2.28 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P61925 (Residues: 6-25; Coverage: 26%)
Gene names: PKIA, PRKACN1

Ligands and Environments

2 bound ligands:
Ligand NA 2 x NA
Ligand ADP 1 x ADP
2 modified residues:
Ligand SEP 3 x SEP
Ligand TPO 1 x TPO

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: P212121
Unit cell:
a: 57.27Å b: 79.202Å c: 98.041Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.219 0.216 0.287
Expression systems:
  • Escherichia coli
  • Not provided

Quick links

Citations

2 review citations

Src protein-tyrosine kinase structure, mechanism, and small molecule inhibitors.
Roskoski R. (2015)
1 more

2 mentions without citation

Metal-free cAMP-dependent protein kinase can catalyze phosphoryl transfer.
Gerlits et al. (2014)
1 more