首页Chromatin/EpigeneticEpigenetic Reader DomainNI-57
NI-57
编号 TQ0083    
CAS 1883548-89-7     分子式 C19H17N3O4S     分子量 383.40
靶点:
NI-57 is an inhibitor of proteins of bromodomain and plant homeodomain finger-containing (BRPF) family, with IC50s of 3.1, 46 and 140 nM for BRPF1, BRPF2 (BRD1) and BRPF3, respectively.
纯度:98.00%
规格 库存 单价 数量
50 mg 待询 6500.00
100 mg 待询 11000.00
200 mg 待询 16000.00
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生物活性

产品描述

NI-57 is an inhibitor of proteins of bromodomain and plant homeodomain finger-containing (BRPF) family, with IC50s of 3.1, 46 and 140 nM for BRPF1, BRPF2 (BRD1) and BRPF3, respectively.

靶点活性

体外活性

NI-57 binds the BRD of BRPF1 with a Kd of 31 nM, BRD1 with a Kd of 110 nM, and BRPF3 with a Kd of 410 nM, whereas binding to BRD9 is weaker (Kd 1000 nM) measured by isothermal titration calorimetry. NI-57 shows less active effect on BRD9 (IC50, 520 nM) and BRD4 (BD1) (IC50, 3700 nM), TRIM24 (IC50, 1600 nM). NI-57 also inhibits BRPF BRDs in the nucleus but shows little effect on the proliferation of many cancer cell lines with GI50s of 10.4 μM (NCI-H1703 cells), 14.7 μM (DMS114), 15.6 μM (HRA-19), and 16.6 μM (RERF-LC-Sq1). Furthermore, Inhibition on BRPF1 of NI-57 (10 μM) reduces the gene expression of CCL-22 by 27.7%.

体内活性

激酶实验

All reagents are diluted in the recommended buffer (50 mM HEPES, 100 mM NaCl, 0.1% BSA; pH = 7.4) supplemented with 0.05% CHAPS and allowed to equilibrate to room temperature prior to addition to plates. 4 mL of HIS-tagged protein is added to low-volume 384-well plates, followed by 4 mL of either buffer, non-biotinylated peptide, solvent or compounds (NI-57, etc.). Plates are sealed and incubated at room temperature for 30 minutes, before the addition of 4 mL biotinylated peptide, resealing and incubation for a further 30 minutes. 4 mL of streptavidin-coated donor beads (25 µg/mL) and 4 µL of nickel chelate acceptor beads (25 µg/mL) are then added under low light conditions. Plates are foil-sealed to protect from light, incubated at room temperature for 60 minutes and read on a PHERAstar FS plate reader using an AlphaScreenTM 680 excitation/570 emission filter set. IC50s are calculated in GraphPad Prism 5. Results for compounds (NI-57, etc.) dissolved in DMSO are normalized against corresponding DMSO controls prior to IC50 determination, which is given as the final concentration of the compound in the 20 µL reaction volume.

化学信息

分子量

383.40

分子式

C19H17N3O4S

CAS

1883548-89-7

溶解度

:

DMSO: ≥80mg/mL(208.65 mM)

( < 1 mg/ml refers to the product slightly soluble or insoluble )

储存条件

store at -80°C

备注

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.

配制溶液

1 mg 5 mg 10 mg
1 mM 2.608 ml 13.041 ml 26.082 ml
5 mM 0.522 ml 2.608 ml 5.216 ml
10 mM 0.261 ml 1.304 ml 2.608 ml
50 mM 0.052 ml 0.261 ml 0.522 ml
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