PDBe 4bpc

X-ray diffraction
2.1Å resolution

Structure of the Catalytic Domain of Protein Tyrosine Phosphatase Sigma in the Sulfenic Acid Form


Function and Biology Details

Reaction catalysed:
Protein tyrosine phosphate + H(2)O = protein tyrosine + phosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Receptor-type tyrosine-protein phosphatase S Chain: A
Molecule details ›
Chain: A
Length: 582 amino acids
Theoretical weight: 66.93 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: Q13332 (Residues: 1367-1948; Coverage: 30%)
Gene name: PTPRS
Sequence domains: Protein-tyrosine phosphatase
Structure domains: Protein tyrosine phosphatase superfamily

Ligands and Environments

No bound ligands

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: PAL/PLS BEAMLINE 7A (6B, 6C1)
Spacegroup: P61
Unit cell:
a: 94.672Å b: 94.672Å c: 123.423Å
α: 90° β: 90° γ: 120°
R R work R free
0.18 0.178 0.222
Expression system: Escherichia coli