PTP1B is the founding member of the protein tyrosine phosphatase (PTP) family, which was isolated and identified based on its enzymatic activity and amino acid sequence.
PTPs catalyze the hydrolysis of the phosphate monoesters specifically on tyrosine residues.
Members of the PTP family share a highly conserved catalytic motif, which is essential for the catalytic activity.
PTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation.
This PTP has been shown to act as a negative regulator of insulin signaling by dephosphorylating the phosphotryosine residues of insulin receptor kinase.
This PTP was also reported to dephosphorylate epidermal growth factor receptor kinase, as well as JAK2 and TYK2 kinases, which implicated the role of this PTP in cell growth control, and cell response to interferon stimulation.
Applications:Suitable for use in ELISA and Western Blot.
Other applications not tested.
Recommended Dilution:ELISA: 1:1,000 Western Blot: 1:50-1:100Optimal dilutions to be determined by the researcher.
Storage and Stability:Store product at 4°C if to be used immediately within two weeks.
For long-term storage, aliquot to avoid repeated freezing and thawing and store at -20°C.
Aliquots are stable at -20°C for 12 months after receipt.
Dilute required amount only prior to immediate use.
Further dilutions can be made in assay buffer.
For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Note: Applications are based on unconjugated antibody.
仕様
Size:200ul
Host:rabbit
Source Antibody:human
Grade:Affinity Purified
Purity:Purified by Protein G affinity chromatography.
Form:Supplied as a liquid in PBS, pH 7.2. No preservative added. Labeled with Biotin.
Specificity:Recognizes human PTP1B. Species Crossreactivity: mouse.
Isotype:IgG
Calc Applications Abbrev:E WB
Calc Crossreactivity:Hu Mo
Immunogen:Recombinant protein encoding a portion within aa1-321 of human PTP1B.