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Safety Information

SML3355

Sigma-Aldrich

GSK626616

≥98% (HPLC)

Synonym(s):

(5Z)-2-(2,6-Dichloroanilino)-5-(quinoxalin-6-ylmethylidene)-1,3-thiazolone, (5Z)-2-[(2,6-Dichlorophenyl)amino]-5-(6-quinoxalinylmethylene)-4(5H)-thiazolone, (5Z)-5-(6-Quinoxalinylmethylidene)-2-[(2,6-dichlorophenyl)amino]-1,3-thiazol-4(5H)-one, (Z)-2-(2,6-Dichlorophenylamino)-5-(quinoxalin-6-ylmethylene)thiazol-4(5H)-one, GSK 626616, GSK-626616

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About This Item

Empirical Formula (Hill Notation):
C18H10Cl2N4OS
CAS Number:
1025821-33-3
Molecular Weight:
401.27
UNSPSC Code:
12352200
NACRES:
NA.77

Quality Level

100

Assay

≥98% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 2 mg/mL, clear

storage temp.

−20°C

SMILES string

ClC(C=CC=C1Cl)=C1NC2=NC(/C(S2)=C/C3=CC4=C(N=CC=N4)C=C3)=O

Biochem/physiol Actions

GSK626616 is an orally available, ATP-competitive, potent and selective dual-specificity tyrosine phosphorylation-regulated kinase DYRK inhibitor (DYRK3 IC50 = 0.7 nM; similar potency against DYRK1A and DYRK2) with 20-fold selectivity over the closed related casein kinase 2. GSK626616 enhances Epo-stimulated increase of human marrow erythroid colony formation units (CFU-E), without affecting megakaryocyte colony growth or CFU-GM formation. GSK626616 enhances the percentage and number of Ter119+/CD71+ erythroid progenitors derived from kit+ mouse marrow in the presence of SCF and Epo in cultures, and exhibits therapeutic efficacy in a murine anemia model in vivo (0.03 mg/kg/d i.p.)

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Kuglae Kim et al.
Journal of molecular biology, 430(10), 1521-1530 (2018-04-11)
Dual-specificity tyrosine-regulated kinases (DYRKs) auto-phosphorylate a critical tyrosine residue in their activation loop and phosphorylate their substrate on serine and threonine residues. The auto-phosphorylation occurs intramolecularly and is a one-off event. DYRK3 is selectively expressed at a high level in
Frank Wippich et al.
Cell, 152(4), 791-805 (2013-02-19)
Cytosolic compartmentalization through liquid-liquid unmixing, such as the formation of RNA granules, is involved in many cellular processes and might be used to regulate signal transduction. However, specific molecular mechanisms by which liquid-liquid unmixing and signal transduction are coupled remain
Zhentao Zhang et al.
Nature communications, 8, 14740-14740 (2017-03-28)
δ-secretase, also known as asparagine endopeptidase (AEP) or legumain, is a lysosomal cysteine protease that cleaves both amyloid precursor protein (APP) and tau, mediating the amyloid-β and tau pathology in Alzheimer's disease (AD). Here we report the therapeutic effect of
Arpan Kumar Rai et al.
Nature, 559(7713), 211-216 (2018-07-06)
Liquid-liquid phase separation has been shown to underlie the formation and disassembly of membraneless organelles in cells, but the cellular mechanisms that control this phenomenon are poorly understood. A prominent example of regulated and reversible segregation of liquid phases may
Laura Mediani et al.
EMBO reports, 22(5), e51740-e51740 (2021-03-20)
Stress granules (SGs) are dynamic condensates associated with protein misfolding diseases. They sequester stalled mRNAs and signaling factors, such as the mTORC1 subunit raptor, suggesting that SGs coordinate cell growth during and after stress. However, the molecular mechanisms linking SG

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