| PRT-060318novel Syk inhibitor |
Sample solution is provided at 25 µL, 10mM.
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- Purity = 98.00%
- COA (Certificate Of Analysis)
- MSDS (Material Safety Data Sheet)
- Datasheet
Chemical structure
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| Cas No. | 1194961-19-7 | SDF | Download SDF |
| Chemical Name | 2-(((1R,2S)-2-aminocyclohexyl)amino)-4-(m-tolylamino)pyrimidine-5-carboxamide | ||
| Canonical SMILES | O=C(C1=CN=C(N[C@H]2[C@@H](N)CCCC2)N=C1NC3=CC=CC(C)=C3)N | ||
| Formula | C18H27Cl3N6O | M.Wt | 449.81 |
| Solubility | Soluble in DMSO | Storage | Store at -20°C |
| Shipping Condition | Evaluation sample solution : ship with blue ice.All other available size:ship with RT , or blue ice upon request | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. | ||
IC50: 4 nM
PRT-060318 is a novel Syk inhibitor.
Heparin-induced thrombocytopenia is a heparin therapy complication in which IgG antibodies against the platelet factor 4-heparin complex activate platelets. The FcγRIIA clustering initiates signaling cascades involving tyrosine kinases, such as spleen tyrosine kinase (Syk).
In vitro: PRT-060318 was identified as a potent inhibitor of purified Syk kinase. Syk kinase was inhibited by 92%, while the activities all other kinases retained more than 70% when PRT-060318 were evaluated at a concentration of 50 nM in a broad panel of kinase enzyme assays. In addition, PRT-060318 could dose-responsively inhibited convulxin-induced human PRP aggregation. Moreover, it was found that PRT-060318 was able to dose-responsively inhibit the increases in intracellular calcium in convulxin-treated platelets [1].
In vivo: Animal study showed that in contrast to vehicle-treated mice developed the expected thrombocytopenia, PRT-060318-treated mice had no significant change in platelet counts after injection of heparin. Moreover, the nadir platelet counts of PRT-060318-treated mice were found to be significantly higher than control mice. The PRT-060318-treated mice showed no bleeding diathesis or other adverse effects. In addition, PRT-060318 treatment in crush thrombosis model resulted in significant inhibition of platelet deposition without changing bleeding time [1].
Clinical trial: Up to now, PRT-060318 is still in the preclinical development stage.
Reference:[1] Reilly MP,Sinha U,André P,Taylor SM,Pak Y,Deguzman FR,Nanda N,Pandey A,Stolla M,Bergmeier W,McKenzie SE. PRT-060318, a novel Syk inhibitor, prevents heparin-induced thrombocytopenia and thrombosis in a transgenic mouse model. Blood.2011 Feb 17;117(7):2241-6.
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求有经验的大神指教，我的载体和目的基因连不上，转化不到大肠中，比例为1:3。另外，为啥胶回收后的载体浓度那么低，大约6ng/ul了，影响连接么？
连接酶通常是包括“连接酶”这个字，就如DNA连接酶是将脱氧核糖核酸（DNA）片段连接。其他普遍的名称包括“合成酶”，因为这些酶是用作合成新的分子，或当它们是将二氧化碳加入一个分子时则称为“羧化酶”。
菌体构建时，目的基因连接在T载体上，测序也正确，但是将目的基因还有载体分别双酶切后总是连接不上，将连接后产物跑核酸胶，什么也没有，不知道是什么原因？我的目的基因浓度为9ng/ul,载体回收后的浓度为6ng/ul,是因为浓度太低的原因吗？还有就是连接有目的基因的T载体双酶切后出现了三条带，这个又是什么原因呢？希望得到解答
DNA连接酶主要是连接DNA片段之间的磷酸二酯键最初从原核生物（大肠杆菌）分离得到的.现在生物基因工程主要是从T4噬菌体中分离得到的,
大家有用过Invitrogen的T4连接酶吗？说明书上是23－26度连接，一般的连接酶不都是16度吗？应该用多少度呢？另外，说明书上还说连接后为了达到更好的转化效率，应将连接反应液至少稀释5倍再转化，是这样吗？谢谢大家帮忙啊
DNA连接酶:可以连接被限制酶切割开磷酸二酯键
产生这一现象的原因在于 DNA合成酶只能沿5'-3'的方向合成DNA 而DNA本身的两条链又是反向分布的 所以就造成了只有一条链合成可以连续地进行下去（以它为模板的子链生成方向正好是DNA聚合酶可以直接提供的） 而后随链要盘绕成回环 反扭过来 才能合成
再合成起始的时候 DNA聚合酶是需要一段RNA引物的 在原核生物中这一引物是由dnaQ(一种酶)在已解旋的单链5'端合成，真核生物中也有对应的酶 由于后随链的合成不连续 所以每个片段都要有引物 在DNA合成结束的时候 这些引物要被切除 因而留下缺口 这时又要特定的酶去填补缺口（比如 大肠杆菌中的DNA聚合酶I）可是填补序列和周围序列间会有缺刻 也就是说他们交界处的3'-5'磷酸二脂键是断开的 这时需要DNA连接酶发挥作用 将其连好
所以 后随链上的缺刻多 还真够DNA连接酶忙一阵的 前导链上只有一开始有RNA引物 因此 最后也基本只有这个地方会用到连接酶
