3tnq

X-ray diffraction
3.1Å resolution

Structure and Allostery of the PKA RIIb Tetrameric Holoenzyme

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-151071 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
cAMP-dependent protein kinase catalytic subunit alpha Chain: B
Molecule details ›
Chain: B
Length: 350 amino acids
Theoretical weight: 40.82 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli
UniProt:
  • Canonical: P27791 (Residues: 2-351; Coverage: 100%)
Gene name: Prkaca
Sequence domains: Protein kinase domain
Structure domains:
cAMP-dependent protein kinase type II-beta regulatory subunit Chain: A
Molecule details ›
Chain: A
Length: 416 amino acids
Theoretical weight: 46.27 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: P31324 (Residues: 1-416; Coverage: 100%)
Gene name: Prkar2b
Sequence domains:
Structure domains: Jelly Rolls

Ligands and Environments

2 bound ligands:
2 modified residues:

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.2
Spacegroup: C222
Unit cell:
a: 153.819Å b: 212.753Å c: 61.951Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.234 0.231 0.275
Expression system: Escherichia coli