货号:A654709
同义名:
5'-Deoxy-5'-isobutylthioadenosine; 5'-Isobutylthioadenosine
SIBA selectively inhibits spermine synthase, IC50=8 μM.
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描述 | Muscarinic receptors have been tentatively subclassified to M1 and M2 on the basis of differences in their affinity for the cholinergic antagonist pirenzepine. 5'-isobutylthio-adenosine (SIBA) is best known as inhibitor of S-adenosylhomocysteine hydrolase, but has also been implicated as inhihitors of protein synthesis, nucleic acid synthesis, viral replication, cellular differentiation, chemotaxis, polyamine metabolism and IgE-mediated histamine release. Most of these effects have been attributed to the inhibition of transmethylation reactions. SIBA also has biological and biochemical effects over muscarinic receptors other than on transmethylation reactions. SIBA, at 100 µM, inhibited [3H]N-methyl-scopolamine binding to homogenates of whole brain and cortex (mainly M1 subtype receptors) by 11-30% and to cerebellum (mainly M2 subtype receptors) by 20-39%. At 0.01-1.0 µM, stimulation of [3H]QNB and NMS-inaccessible [3H]QNB binding was observed, with the most induced by 1 µM 3-deaza-SIBA. In contrast, [3H]pirenzepine ([3H]PZ) binding to whole brain and cortex was inhibited in a dose-dependent manner with Ki values in the µM range[3]. |
计算器 | ||||
存储液制备 | ![]() |
1mg | 5mg | 10mg |
1 mM 5 mM 10 mM |
2.95mL 0.59mL 0.29mL |
14.73mL 2.95mL 1.47mL |
29.46mL 5.89mL 2.95mL |
CAS号 | 35899-54-8 |
分子式 | C14H21N5O3S |
分子量 | 339.41 |
SMILES Code | O[C@@H]([C@H]([C@H](N1C=NC2=C1N=CN=C2N)O3)O)[C@H]3CSCC(C)C |
MDL No. | MFCD00056008 |
别名 | 5'-Deoxy-5'-isobutylthioadenosine; 5'-Isobutylthioadenosine |
运输 | 蓝冰 |
InChI Key | JDDUQGRUPLKDNT-IDTAVKCVSA-N |
Pubchem ID | 123674 |
存储条件 |
In solvent -20°C:3-6个月-80°C:12个月 Pure form Keep in dark place, inert atmosphere, 2-8°C |
溶解方案 |
请根据您的动物给药指南选择适当的溶解方案。 以下溶解方案都请先按照体外实验的方式配制澄清的储备液,再依次添加助溶剂: ——为保证实验结果的可靠性,澄清的储备液可以根据储存条件,适当保存;体内实验的工作液,建议现用现配,当天使用; 以下溶剂前显示的百分比是指该溶剂在终溶液中的体积占比;如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶
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