WB, IP, FC-FP
H
Endogenous
160
Rabbit IgG
#O15357
3636
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:200 |
| Flow Cytometry (Fixed/Permeabilized) | 1:1600 |
Storage
Specificity / Sensitivity
Species Reactivity:
Human
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Tyr1135 of human SHIP2 protein.
Background
SH2-containing inositol phosphatase 1 (SHIP1) is a hematopoietic phosphatase that hydrolyzes phosphatidylinositol-3,4,5-triphosphate to phosphatidylinositol-3,4-bisphosphate (1). SHIP1 is a cytosolic phosphatase with an SH2 domain in its amino terminus and two NPXY Shc binding motifs in its carboxy terminus (1,2). Upon receptor cross-linking, SHIP is first recruited to the membrane junction through binding of its SH2 domain to the phospho-tyrosine in the ITIM motif (2), followed by tyrosine phosphorylation on the NPXY motif (2). The membrane relocalization and phosphorylation on the NPXY motif is essential for the regulatory function of SHIP1 (3-5). Its effect on calcium flux, cell survival, growth, cell cycle arrest, and apoptosis is mediated through the PI3K and Akt pathways (3-5). Tyr1021 is located in one of the NPXY motifs in SHIP1, and its phosphorylation is important for SHIP1 function (6).
SHIP2, a homolog of SHIP1, is highly expressed in heart, skeletal muscle and placenta (7). SHIP2 negatively regulates insulin signaling (8) and polymorphisms in SHIP2 have been linked to hyperglycemia (9). Recent studies also suggest SHIP2 as a therapeutic target for the treatment of both obesity and type 2 diabetes (10,11). Tyr1135 is phosphorylated in human cancer cells (12-15).
- Tridandapani, S. et al. (1997) Mol Cell Biol 17, 4305-11.
- Liu, L. et al. (1997) J Biol Chem 272, 8983-8.
- Malbec, O. et al. (2001) J Biol Chem 276, 30381-91.
- Carver, D.J. et al. (2000) Blood 96, 1449-56.
- Scharenberg, A.M. et al. (1998) EMBO J 17, 1961-72.
- Sattler, M. et al. (2001) J Biol Chem 276, 2451-8.
- Pesesse, X. et al. (1997) Biochem Biophys Res Commun 239, 697-700.
- Wada, T. et al. (2001) Mol Cell Biol 21, 1633-46.
- Ishida, S. et al. (2006) Pancreas 33, 63-7.
- Dyson, J.M. et al. (2005) Int J Biochem Cell Biol 37, 2260-5.
- Liang, X. et al. (2006) Proteomics 6, 4554-64.
- Dyson, J.M. et al. (2005) Int J Biochem Cell Biol 37, 2260-5.
- Goss, V.L. et al. (2006) Blood 107, 4888-97.
- Guo, A. et al. (2008) Proc Natl Acad Sci U S A 105, 692-7.
- Rikova, K. et al. (2007) Cell 131, 1190-203.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: Western Blotting IP: Immunoprecipitation FC-FP: Flow Cytometry (Fixed/Permeabilized)
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
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