X-ray diffraction
1.85Å resolution

Crystal structure of PTPL1 human tyrosine phosphatase mutated in colorectal cancer - evidence for a second phosphotyrosine substrate recognition pocket


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
Tyrosine-protein phosphatase non-receptor type 13 Chain: A
Molecule details ›
Chain: A
Length: 315 amino acids
Theoretical weight: 36.09 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
  • Canonical: Q12923 (Residues: 2163-2477; Coverage: 13%)
Gene names: PNP1, PTP1E, PTPL1, PTPN13
Sequence domains: Protein-tyrosine phosphatase
Structure domains: Protein tyrosine phosphatase superfamily

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: C2
Unit cell:
a: 99.707Å b: 59.193Å c: 66.075Å
α: 90° β: 113.05° γ: 90°
R R work R free
0.177 0.177 0.204
Expression system: Escherichia coli BL21