MAP Kinase Signaling
Phospho-p38 MAPK (Thr180/Tyr182) Mouse mAb (Sepharose Bead Conjugate)
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| CSTコード |
包装 |
希望納入価格 (円) |
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| #9219S | 800 μL | 61,000 | |
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MAPKp38抗体製品一覧
9219 の推奨プロトコール
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推奨プロトコールはCST社内試験の徹底的なバリデーションに基づいて作成されておりますので、正確かつ再現性の高い結果が得られます。
注:各製品に最適化されたプロトコールをリンクしています。
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9219:
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Immunoprecipitation
| 特異性・感度 | |
| 内在性レベルのThr180/Tyr182 がリン酸化されたp38 MAPK と結合します。リン酸化されたSAPK/JNK およびp44/42 MAPK (Erk1/2)、リン酸化されていないp38 MAPK タンパク質とは有意に交差しません。 |
| 使用抗原 | |
| ヒトのp38 MAP Kinase タンパク質のThr180/Tyr182 周辺領域(合成リン酸化ペプチド) |
IP

p38 MAPK activity of UV-treated or untreated C6 cell extracts was analyzed by IP/kinase assay. Cell extracts were immunoprecipitated with Phospho-p38 MAPK (Thr180/Tyr182) Mouse mAb (Sepharose Bead Conjugate). In vitro kinase assays were performed using ATF-2 Fusion Protein #9224 as a substrate. Phosphorylation of ATF-2 at Thr71 was measured by Western blot using Phospho-ATF-2 (Thr71) Antibody.
p38 MAP kinase (MAPK), also called RK (1) or CSBP (2), is the mammalian orthologue of the yeast HOG kinase that participates in a signaling cascade controlling cellular responses to cytokines and stress (1-4). Four isoforms of p38 MAPK, p38α, β, γ (also known as Erk6 or SAPK3), and δ (also known as SAPK4) have been identified. Similar to the SAPK/JNK pathway, p38 MAPK is activated by a variety of cellular stresses including osmotic shock, inflammatory cytokines, lipopolysaccharide (LPS), UV light, and growth factors (1-5). MKK3, MKK6, and SEK activate p38 MAPK by phosphorylation at Thr180 and Tyr182. Activated p38 MAPK has been shown to phosphorylate and activate MAPKAP kinase 2 (3) and to phosphorylate the transcription factors ATF-2 (5), Max (6), and MEF2 (5-8).SB203580 (4-(4-fluorophenyl)-2-(4-methylsulfinylphenyl)-5-(4-pyridyl)-imidazole) is a selective inhibitor of p38 MAPK. This compound inhibits the activation of MAPKAPK-2 by p38 MAPK and subsequent phosphorylation of HSP27 (9). SB203580 inhibits p38 MAPK catalytic activity by binding to the ATP-binding pocket, but does not inhibit phosphorylation of p38 MAPK by upstream kinases (10).
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