4ny3

X-ray diffraction
1.8Å resolution

Human PTPA in complex with peptide

Released:

Function and Biology Details

Reactions catalysed:
Peptidylproline (omega=180) = peptidylproline (omega=0)
[a protein]-serine/threonine phosphate + H(2)O = [a protein]-serine/threonine + phosphate
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-159230 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Serine/threonine-protein phosphatase 2A activator Chains: A, B
Molecule details ›
Chains: A, B
Length: 304 amino acids
Theoretical weight: 34.86 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q15257 (Residues: 22-358; Coverage: 84%)
Gene names: PPP2R4, PTPA
Sequence domains: Phosphotyrosyl phosphate activator (PTPA) protein
Structure domains: Four Helix Bundle (Hemerythrin (Met), subunit A)
Serine/threonine-protein phosphatase 2A catalytic subunit alpha isoform Chains: C, D
Molecule details ›
Chains: C, D
Length: 6 amino acids
Theoretical weight: 755 Da
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P67775 (Residues: 304-309; Coverage: 2%)
Gene name: PPP2CA

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I24
Spacegroup: P1
Unit cell:
a: 43.67Å b: 47.97Å c: 87.18Å
α: 84.41° β: 80.23° γ: 88.23°
R-values:
R R work R free
0.159 0.158 0.186
Expression systems:
  • Escherichia coli
  • Not provided