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T6951

Sigma-Aldrich

TBBz

≥98% (HPLC), powder

Sinônimo(s):

4,5,6,7-Tetrabromobenzimidazole

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About This Item

Fórmula empírica (Notação de Hill):
C7H2N2Br4
Número CAS:
Peso molecular:
433.72
Número MDL:
Código UNSPSC:
12352200
ID de substância PubChem:
NACRES:
NA.77

Ensaio

≥98% (HPLC)

forma

powder

solubilidade

DMSO: >10 mg/mL at 60 °C, clear

temperatura de armazenamento

2-8°C

cadeia de caracteres SMILES

Brc1c(Br)c(Br)c2[nH]cnc2c1Br

InChI

1S/C7H2Br4N2/c8-2-3(9)5(11)7-6(4(2)10)12-1-13-7/h1H,(H,12,13)

chave InChI

LOEIRDBRYBHAJB-UHFFFAOYSA-N

Aplicação

TBBz has been used as a CK2 inhibitor in HeLa cells and rat septal neurons.

Ações bioquímicas/fisiológicas

TBBz is a cell-permeable Casein Kinase-2 (CK2) inhibitor. CK2 inhibitors, 4,5,6,7-tetrabromobenzotriazole (TBBt, Sigma Cat. # T0826) and rabromobenzimidazole (TBBz), the latter of which was shown to discriminate between different molecular forms of CK2 in yeast. TBBt, with a pK(a) ~5, exists in solution at physiological pH almost exclusively (>99%) as the monoanion; whereas TBBz, with a pKa ~9, is predominantly (>95%) in the neutral form, both of obvious relevance to their modes of binding. In vitro, TBBt inhibits different forms of CK2 with Ki values ranging from 80 to 210 nM. TBBz discriminates better between CK2 forms, with Ki values ranging from 70-510 nM. TBBz is more effective than TBBt in inducing apoptosis and to a lesser degree, necrosis in transformed human cell lines. Dvelopment of shRNA strategies for the selective knockdown of the CK2α and CK2α′ isoforms reinforces the foregoing results, indicating that inhibition of CK2 leads to attenuation of proliferation.

Nota de preparo

TBBz is soluble in DMSO (60 deg C) at a concentration that is greater than 10 mg/ml.

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


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Florence Chaverneff et al.
Journal of neurochemistry, 109(3), 733-743 (2009-02-19)
The combination of bone morphogenetic protein 7 (BMP7) and neurotrophins (e.g. brain-derived neurotrophic factor, BDNF) protects septal neurons during hypoglycemic stress. We investigated the signaling mechanisms underlying this synergistic protection. BMP7 (5 nM) increased phosphorylation and nuclear translocation of BMP-responsive
Jacob P Turowec et al.
Oncotarget, 4(4), 560-571 (2013-04-20)
Protein kinase CK2 has emerged as a promising candidate for the treatment of a number of cancers. This enzyme is comprised of two catalytic subunits (CK2 and/or CK2α') that form complexes with homodimers of regulatory CK2β subunits. While catalytic and
Maria Russo et al.
Oncotarget, 8(26), 42571-42587 (2017-05-11)
Despite the encouraging results of the innovative therapeutic treatments, complete remission is uncommon in patients affected by chronic lymphocytic leukaemia, which remains an essentially incurable disease. Recently, clinical trials based on BH3-mimetic drugs showed positive outcomes in subjects with poor
Laszlo Gyenis et al.
Journal of proteome research, 10(11), 4887-4901 (2011-09-23)
Protein kinases have emerged as attractive targets for treatment of several diseases prompting large-scale phosphoproteomics studies to elucidate their cellular actions and the design of novel inhibitory compounds. Current limitations include extensive reliance on consensus predictions to derive kinase-substrate relationships
James S Duncan et al.
Molecular & cellular proteomics : MCP, 7(6), 1077-1088 (2008-02-09)
Recently protein kinases have emerged as some of the most promising drug targets; and therefore, pharmaceutical strategies have been developed to inhibit kinases in the treatment of a variety of diseases. CK2 is a serine/threonine-protein kinase that has been implicated

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