2ixo

X-ray diffraction
2.6Å resolution

CRYSTAL STRUCTURE OF THE PP2A PHOSPHATASE ACTIVATOR Ypa1 PTPA1

Released:

Function and Biology Details

Reaction catalysed:
Peptidylproline (omega=180) = peptidylproline (omega=0)
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-154115 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Serine/threonine-protein phosphatase 2A activator 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 323 amino acids
Theoretical weight: 37.49 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: P40454 (Residues: 1-319; Coverage: 81%)
Gene names: NCS1, RRD1, YIL153W, YPA1
Sequence domains: Phosphotyrosyl phosphate activator (PTPA) protein
Structure domains: Four Helix Bundle (Hemerythrin (Met), subunit A)

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P212121
Unit cell:
a: 53.084Å b: 94.178Å c: 139.842Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.215 0.211 0.291
Expression system: Escherichia coli