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TBB

  Cat. No.:  DC9400   Featured
Chemical Structure
17374-26-4
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Field of application
TBB(NSC 231634) is a highly selective, ATP/GTP-competitive inhibitor of casein kinase-2 (CK2)with IC50s of 0.9 and 1.6 μM for rat liver and human recombinant CK2 respectively).
Chemicals PropertiesBiological activity COA & MSDSRelated productsDatasheet
Cas No.: 17374-26-4
Chemical Name: NSC 231634; TBB (enzyme inhibitor);1H-Benzotriazole, 4,5,6,7-tetrabromo-
Synonyms: NSC 231634; TBB (enzyme inhibitor);1H-Benzotriazole, 4,5,6,7-tetrabromo-
SMILES: C1(=C(C2=NNN=C2C(=C1Br)Br)Br)Br
Formula: C6HBr4N3
M.Wt: 434.7083
Sotrage: 2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO
Description: TBB is a cell-permeable and ATP-competitive CK2 inhibitor with an IC50 of 0.15 μM for rat liver CK2.
In Vivo: The extent of retinal neovascularization in a mouse OIR model is reduced by approximately 60% after treatment with TBB (6 days at 60 mg/kg per day)[4].
In Vitro: Investigation of the inhibitory power of TBB with a panel of 33 protein kinases shows highest potency for CK2 (casein kinase 2) (human CK2: IC50=1.6 μM at 100 μM ATP). TBB also inhibits three other kinases with less potency: CDK2 (IC50=15.6 μM), phosphorylase kinase (IC50=8.7 μM) and glycogen synthase kinase 3β (GSK3β) (IC50=11.2 μM). All other kinases tested have IC50 values 50-fold greater than that for CK2[1]. The viability of the androgen insensitive PC-3 cells may be diminished by TBB (60 μM TBB) acting either alone or combined with anticancer agents CPT or TRAIL when a proper time schedule of the administration is applied. The time schedule-dependent activity of TBB does not come from its effect on apoptosis in PC-3 cells[2]. TBB is an ATP/GTP competitive inhibitor of protein kinase casein kinase-2 (CK2), has been examined against a panel of 33 protein kinases, either Ser/Thr- or Tyr-specific. In the presence of 10 μM TBB (and 100 μM ATP) only CK2 is drastically inhibited (>85%) whereas three kinases (phosphorylase kinase, glycogen synthase kinase 3L and cyclin-dependent kinase 2/cyclin A) underwent moderate inhibition, with IC50 values one-two orders of magnitude higher than CK2 (IC50=0.9 μM). TBB also inhibits endogenous CK2 in cultured Jurkat cells[3].
MSDS
COA
LOT NO. DOWNLOAD
2018-0101
2018-0101
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