单克隆抗-磷酸酪氨酸

经 ELISA 和竞争性 ELISA 确定，该抗体与磷酸化的酪氨酸特异性反应，该磷酸化的酪氨酸既可以是游离氨基酸形式，也可与 BSA 或 KLH 等载体结合的形式。与非磷酸化的酪氨酸、磷酸苏氨酸、磷酸丝氨酸、AMP 或 ATP 没有观察到交叉反应。

Monoclonal Anti-Phosphotyrosine (mouse IgG1 isotype) is derived from the PT-66 hybridoma produced by the fusion of mouse myeloma cells and splenocytes from BALB/c mice immunized with a phosphotyrosine-BSA conjugate.

与 BSA 结合的磷酸酪氨酸

Monoclonal Anti-Phosphotyrosine-Peroxidase antibody has been used in

• enzyme linked immunosorbent assay (ELISA)
• dot blot
• Chemiluminescence dot blot
• kinase assay

Mouse anti-phosphotyrosine-peroxidase antibody reacts specifically with phosphorylated tyrosine coupled to BSA. The product has shown no reactivity for other phosphorylated amino acids like phosphothreonine and phosphoserine.

Reversible phosphorylation of proteins is an important post-translational modification that plays a regulatory role in the expression of most proteins in the cells. Reversible phosphorylation at multiple serine, tyrosine and threonine residues mediates numerous signalling pathways in both prokaryotic and eukaryotic cells . Cellular proteins with phosphorylated tyrosine increase many fold by the activation of tyrosine kinases. Most mitogenic receptor systems such as EGF, PDGF, insulin receptors contain serine/threonine/tyrosine kinase domains that undergo autophosphorylation when receptors bind to the respective ligands. Monoclonal anti-phosphotyrosine–peroxidase antibody can be used in kinase assay to visualize the fraction of phosphorylated substrate.

Lyophilized from a solution containing 1% bovine serum albumin and 0.05% MIT in 0.01 M sodium phosphate buffered saline.

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