3cf6

X-ray diffraction
2.2Å resolution

Structure of Epac2 in complex with cyclic-AMP and Rap

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero tetramer
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-158236 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Rap guanine nucleotide exchange factor (GEF) 4 Chain: E
Ras-related protein Rap-1b Chain: R
Molecule details ›
Chain: R
Length: 167 amino acids
Theoretical weight: 19.02 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P61224 (Residues: 1-167; Coverage: 91%)
Gene names: OK/SW-cl.11, RAP1B
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: I212121
Unit cell:
a: 125.367Å b: 149.025Å c: 225.291Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.244 0.243 0.265
Expression system: Escherichia coli