Phospho-p44/42 MAPK (Erk1/2) (Thr202/Tyr204) Antibody - CD BioSciences

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Phospho-p44/42 MAPK (Erk1/2) (Thr202/Tyr204) Antibody

Phospho-p44/42 MAPK (Erk1/2) (Thr202/Tyr204) Antibody

SPA-03668

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Target Information
Target Name Erk1/2
Gene Abbr. MAPK3
Gene ID 5595
Full Name mitogen-activated protein kinase 3
Alias ERK-1, ERK1, ERT2, HS44KDAP, HUMKER1A
Introduction Mitogen-activated protein kinases (MAPKs) are a widely conserved family of serine/threonine protein kinases involved in many cellular programs, such as cell proliferation, differentiation, motility, and death. The p44/42 MAPK (Erk1/2) signaling pathway can be activated in response to a diverse range of extracellular stimuli including mitogens, growth factors, and cytokines , and research investigators consider it an important target in the diagnosis and treatment of cancer. Upon stimulation, a sequential three-part protein kinase cascade is initiated, consisting of a MAP kinase kinase kinase (MAPKKK or MAP3K), a MAP kinase kinase (MAPKK or MAP2K), and a MAP kinase (MAPK). Multiple p44/42 MAP3Ks have been identified, including members of the Raf family, as well as Mos and Tpl2/COT. MEK1 and MEK2 are the primary MAPKKs in this pathway. MEK1 and MEK2 activate p44 and p42 through phosphorylation of activation loop residues Thr202/Tyr204 and Thr185/Tyr187, respectively. Several downstream targets of p44/42 have been identified, including p90RSK and the transcription factor Elk-1. p44/42 are negatively regulated by a family of dual-specificity (Thr/Tyr) MAPK phosphatases, known as DUSPs or MKPs, along with MEK inhibitors, such as U0126 and PD98059.
Product Details
Host Rabbit
Clonality Polyclonal
Clone No. N/A
Immunogen Synthetic phosphopeptide corresponding to residues surrounding Thr202/Tyr204 of human p44 MAP kinase.
Source/Purification Antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Thr202/Tyr204 of human p44 MAP kinase.
Usage
Application WB, IP, IF, FC
Dilutions Western Blot (1:1000); Immunoprecipitation (1:50)
MW(KDa) 42, 44
Reactivity Human, Mouse, Rat, Hamster, Monkey, Mink, D. melanogaster, Zebrafish, Bovine, Pig, C. elegans
Sensitivity Endogenous
Specificity It detects endogenous levels of p44 and p42 MAP Kinase (Erk1 and Erk2) when phosphorylated either individually or dually at Thr202 and Tyr204 of Erk1 (Thr185 and Tyr187 of Erk2). The antibody does not cross-react with the corresponding phosphorylated residues of either JNK/SAPK or p38 MAP Kinase, and does not cross-react with non-phosphorylated Erk1/2.
Storage & Handling
Storage Buffer Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/mL BSA and 50% glycerol.
Preservative No Preservative
Storage Temp. Store at -20 °C.
Handling Do not aliquot the antibody.

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