› 3a5k

X-ray diffraction
1.85Å resolution

Crystal structure of protein-tyrosine phosphatase 1B

Released:
DOI: 10.2210/pdb3a5k/pdb
PDB entry 3a5k coloured by chain, front view.
PDB entry 3a5k coloured by chain, side view.
PDB entry 3a5k coloured by chain, top view.
Source organism: Homo sapiens
Entry author: Ito S

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-148259 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Tyrosine-protein phosphatase non-receptor type 1 Chain: A
Molecule details ›
Chain: A
Length: 304 amino acids
Theoretical weight: 35.63 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P18031 (Residues: 2-298; Coverage: 68%)
Gene names: PTP1B, PTPN1
Sequence domains: Protein-tyrosine phosphatase
Structure domains: Protein tyrosine phosphatase superfamily

Ligands and Environments

1 bound ligand:
Ligand MG 1 x MG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-5A
Spacegroup: P212121
Unit cell:
a: 59.094Å b: 60.755Å c: 87.964Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.191 0.189 0.233
Expression system: Escherichia coli

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