General description
Recombinant, human PTP1B expressed in E. coli. PTP1B, an ubiquitous nontransmembrane protein tyrosine phosphatase, was originally identified in human placenta. This highly active enzyme is useful for the study of tyrosine phosphatase kinetics, substrate specificity, and for screening inhibitors.
Packaging
Please refer to vial label for lot-specific concentration.
Warning
Toxicity: Standard Handling (A)
Unit Definition
One unit is defined as the amount of enzyme that will hydrolyze 1 µmol of phosphopeptide substrate (Cat. No. 539737) per min at 30°C, pH 7.2 using 150 µM of substrate.
Physical form
In 50 mM HEPES, 1 mM DTT, 1 mM EDTA, 0.05% NP-40, pH 7.2.
Reconstitution
Following initial thaw, aliquot and freeze (-70°C).
Other Notes
Puius, Y.A., et al. 1997. Proc. Natl. Acad. Sci. USA94, 13420.
Liu, F., et al. 1996. J. Biol. Chem.271, 31290.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Assay: ≥. 90% (SDS-PAGE). Quality Level: 100. form: liquid. specific activity: ≥. 20 . U/mg. manufacturer/tradename: Calbiochem®. . storage condition: OK to freeze, avoid repeated freeze/thaw cycles. shipped in: wet ice. storage temp.: −. 70°C. Storage Class Code: 12 - Non Combustible Liquids. WGK: WGK 1. Flash Point(F): Not applicable. Flash Point(C): Not applicable.- UPC:
- 41106202
- Condition:
- New
- Weight:
- 1.00 Ounces
- HazmatClass:
- No
- WeightUOM:
- LB
- MPN:
- 539735-50UG
