4zp3

X-ray diffraction
2.63Å resolution

AKAP18:PKA-RIIalpha structure reveals crucial anchor points for recognition of regulatory subunits of PKA

Released:

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-146801 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
cAMP-dependent protein kinase type II-alpha regulatory subunit Chains: A, B, C, D, E, F, G, H, I, J, K, L
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 43 amino acids
Theoretical weight: 5.02 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P13861 (Residues: 2-44; Coverage: 11%)
Gene names: PKR2, PRKAR2, PRKAR2A
Sequence domains: Regulatory subunit of type II PKA R-subunit
Structure domains: cAMP-dependent protein kinase regulatory subunit, dimerization-anchoring domain
A-kinase anchor protein 7 isoform gamma Chains: M, N, O, P, Q, R
Molecule details ›
Chains: M, N, O, P, Q, R
Length: 40 amino acids
Theoretical weight: 4.46 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9P0M2 (Residues: 287-326; Coverage: 12%)
Gene names: AKAP18, AKAP7
Sequence domains: PKA-RI-RII subunit binding domain of A-kinase anchor protein

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.1
Spacegroup: P21
Unit cell:
a: 56.922Å b: 120.988Å c: 57.123Å
α: 90° β: 93.01° γ: 90°
R-values:
R R work R free
0.225 0.222 0.268
Expression system: Escherichia coli