Ras proteins bind GDP/GTP and possess intrinsic GTPase activity.
Point mutations of several amino acids of human RAS, including gly12, ala59, or glu63, render the protein constitutively active.
Embryonic stem cell-expressed Ras (ERAS) has serine, alanine, and asparagine at the positions corresponding to gly12, ala59, and glu63 of human RAS, suggesting that it is constitutively active.The PI3K (phosphoinositide 3-kinase) pathway is important for proliferation, survival and maintenance of pluripotency in ES cells.
The PI3K pathway is activated by growth factors and cytokines including insulin and leukaemia inhibitory factor.
In addition to these exogenous factors, the PI3K pathway is endogenously activated by the constitutively active Ras family protein ERas (ES cell-expressed Ras).
ERas null ES cells maintained pluripotency but show significantly reduced growth and tumorigenicity, which can be rescued by expression of ERas cDNA or by activated phosphatidylinositol 3-hydroxykinase.
The transforming oncogene ERAS appears to be important in the tumor-like growth properties of ES cells.
Applications:Suitable for use in Western Blot, Immunohistochemistry, FLISA
Storage and Stability:Store product at 4°C in the dark.
DO NOT FREEZE! Stable at 4°C for 12 months after receipt as an undiluted liquid.
Dilute required amount only prior to immediate use.
Further dilutions can be made in assay buffer.
Caution: PE conjugates are sensitive to light.
For maximum recovery of product, centrifuge the original vial 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 A affinity chromatography.
Form：Supplied as a liquid in PBS, pH 7.2. No preservative added. Labeled with R-Phycoerythrin (PE).
Specificity：Human
Isotype：IgG
Calc Applications Abbrev：FLISA IHC WB
Calc Crossreactivity：Hu
Immunogen：ERAS antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 59~88 amino acids from the N-terminal region of human ERAS.
