Protein tyrosine phosphatase non-receptor type 1, PTPN1, PTP1B, PTP-1B, Protein Tyrosine Phosphatase 1B, EC 3.1.3.48, Protein-tyrosine phosphatase1B, Tyrosine-protein phosphatase non-receptor type 1, Protein tyrosine phosphatase non-receptor type 1, Prot
The protein coding region of the catalytic domain of PTP-1B (amino acids 1-321) was cloned into an E. coli expression vector. The catalytic domain of PTP-1B was overexpressed in E. coli as a soluble protein, and it was purified by conventional column chr