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Key Documents

S8307

Sigma-Aldrich

SB 203580

≥98% (HPLC), solid, p38 MAPK inhibitor

Synonyme(s) :

4-(4-Fluorophenyl)-2-(4-methylsulfinylphenyl)-5-(4-pyridyl)-1H-imidazole

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About This Item

Formule empirique (notation de Hill):
C21H16FN3OS
Numéro CAS:
Poids moléculaire :
377.43
Numéro MDL:
Code UNSPSC :
12352200
ID de substance PubChem :
Nomenclature NACRES :
NA.77

product name

SB 203580, solid, ≥98% (HPLC)

Niveau de qualité

Pureté

≥98% (HPLC)

Forme

solid

Couleur

white to off-white

Solubilité

DMSO: ≥20 mg/mL

Température de stockage

−20°C

Chaîne SMILES 

CS(=O)c1ccc(cc1)-c2nc(-c3ccc(F)cc3)c([nH]2)-c4ccncc4

InChI

1S/C21H16FN3OS/c1-27(26)18-8-4-16(5-9-18)21-24-19(14-2-6-17(22)7-3-14)20(25-21)15-10-12-23-13-11-15/h2-13H,1H3,(H,24,25)

Clé InChI

CDMGBJANTYXAIV-UHFFFAOYSA-N

Application

MDCK cells were treated with SB 203580 to study the role of MAPK signaling in inducing hypertonicity of cell membrane and potassium depletion.16 It was used to inhibit MAPK signaling in mouse cortical neurons17 and human hepatocellular carcinoma cell lines.18

Actions biochimiques/physiologiques

SB 203580 is a pyridinyl imidazole that suppresses the activation of MAPKAP kinase-2 and inhibits the phosphorylation of heat shock protein (HSP) 27 in response to IL-1, cellular stresses and bacterial endotoxin in vivo. It does not inhibit JNK or p42 MAP kinase and therefore, is useful for studying the physiological roles and targets of p38 MAPK and MAPKAP kinase-2. It has been shown to induce the activation of the serine/threonine kinase Raf-1 and has been reported to inhibit cytokine production.

Caractéristiques et avantages

This compound is a featured product for Kinase Phosphatase Biology research. Click here to discover more featured Kinase Phosphatase Biology products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.
This compound is featured on the MAPKs page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Pictogrammes

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Mention d'avertissement

Warning

Mentions de danger

Classification des risques

Acute Tox. 4 Oral

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves


Certificats d'analyse (COA)

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We examined the regulatory role of a reduction/oxidation (redox) control protein, thioredoxin (TRX), in tumor necrosis factor-alpha (TNF-alpha)-induced p38 MAP kinase activation and p38 MAP kinase-mediated cytokine expression utilizing TRX-transfected murine L929 cells (TRX14). The results showed that TNF-alpha-induced p38
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The inhibition of SAPK2a/p38 (a mitogen activated protein (MAP) kinase family member) by SB 203580 depends on the presence of threonine at residue 106. Nearly all other protein kinases are insensitive to this drug because a more bulky residue occupies
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