| UNC3866a potent antagonist of CBX4 and CBX7 chromodomains |

Sample solution is provided at 25 µL, 10mM.
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Cell Stem Cell.2017 Nov 20. pii: S1934-5909(17)30375-2.Quality Control & MSDS
- View current batch:
- Purity = 98.00%
- COA (Certificate Of Analysis)
- MSDS (Material Safety Data Sheet)
Chemical structure


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| Cas No. | 1872382-47-2 | SDF | Download SDF |
| Chemical Name | (3S,6S,9S,12S,15S)-methyl 3-benzyl-1-(4-(tert-butyl)phenyl)-12-(4-(diethylamino)butyl)-15-(hydroxymethyl)-9-isobutyl-6-methyl-1,4,7,10,13-pentaoxo-2,5,8,11,14-pentaazahexadecan-16-oate | ||
| Canonical SMILES | CC(C)(C)C1=CC=C(C(N[C@@H](CC2=CC=CC=C2)C(N[C@@H](C)C(N[C@@H](CC(C)C)C(N[C@@H](CCCCN(CC)CC)C(N[C@@H](CO)C(OC)=O)=O)=O)=O)=O)=O)C=C1 | ||
| Formula | C43H66N6O8 | M.Wt | 795.02 |
| 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. | ||
UNC3866 is a potent antagonist of CBX4 and CBX7 chromodomains with a Kd of ~100 nM for each, and is 6- to 18-fold selective as compared to seven other CBX and CDY chromodomains. UNC3866 antagonizes the methyllysine (Kme) reading function of the Polycomb CBX and CDY families of chromodomains. [1]
UNC3866 is the most potent ligand reported for CBX7, with a Kd of 97 ± 2.4 nM. UNC3866 antagonizes the CBX7-H3 interaction, assayed by AlphaScreen (IC50 = 66 ± 1.2 nM). Affinity of UNC3866 for CBX2, CBX4, CBX6 and CBX8 is surprisingly well associated with the percent sequence identity of each chromodomain relative to that of CBX7. UNC3866 is equally potent for CBX4, which is most similar to CBX7, whereas it is 18-, 6- and 12-fold selective for CBX4 and CBX7 over CBX2, CBX6 and CBX8, respectively. UNC3866 is 65-fold selective for CBX4 and CBX7 over CDY1 and 9-fold selective for CBX4 and CBX7 over CDYL1b and CDYL2. Each backbone amide of UNC3866 engages in at least one hydrogen bond with the backbone of CBX7, while the N-terminal tert-butylbenzoyl cap of UNC3866 primarily connects the side chains of D50, R52 and L53. X-ray crystallography exhibited that interactions of UNC3866 and the CBX chromodomains closely mock those of the methylated H3 tail. UNC3866 suppresses PC3 cell proliferation, consistent with the known ability of CBX7 overexpression to confer a growth advantage. [1]
Reference:
1.A cellular chemical probe targeting the chromodomains of Polycomb repressive complex 1. Nat Chem Biol. 2016 Mar;12(3):180-7.
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PCR技术类似于DNA的天然复制过程,其特异性依赖于与靶序列两端互补的寡核苷酸引物,由变性--退火--延伸三个基本反应步骤构成
2、仪器功能:进口和国产仪器主要功能:如保存,过温保护,断电保护,热盖功能等基本上是一样的,只是附带功能上有所差别,比如:进口的显示屏是大型的触摸式荧屏操作,国产的大多是触摸键,荧屏显示操作,进口仪器有的可以升级为荧光定量PCR仪,而国产的目前主要是专用机。而这些仪器附带功能的差别大多都是最近两年新推出来的,价格确是相差几倍。有的进口仪器没有这些附带的特殊功能,从性能和功能上比有的等于或低于国产的。
普通PCR的孔所有温度是一样的。

