3egg

X-ray diffraction
1.85Å resolution

Crystal structure of a complex between Protein Phosphatase 1 alpha (PP1) and the PP1 binding and PDZ domains of Spinophilin

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-128666 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Serine/threonine-protein phosphatase PP1-alpha catalytic subunit Chains: A, B
Molecule details ›
Chains: A, B
Length: 329 amino acids
Theoretical weight: 37.35 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P62136 (Residues: 7-330; Coverage: 98%)
Gene names: PPP1A, PPP1CA
Sequence domains:
Structure domains: Purple Acid Phosphatase; chain A, domain 2
Neurabin-2 Chains: C, D
Molecule details ›
Chains: C, D
Length: 170 amino acids
Theoretical weight: 18.62 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli
UniProt:
  • Canonical: O35274 (Residues: 417-583; Coverage: 20%)
Gene names: Ppp1r9b, Spino
Sequence domains:
Structure domains: Pdz3 Domain

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X6A
Spacegroup: C2
Unit cell:
a: 119.675Å b: 84.418Å c: 109.164Å
α: 90° β: 93.5° γ: 90°
R-values:
R R work R free
0.181 0.179 0.211
Expression system: Escherichia coli