The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 274693-26-4, Name is 2-(((3aR,4S,6R,6aS)-6-(7-(((1R,2S)-2-(3,4-Difluorophenyl)cyclopropyl)amino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)oxy)ethanol, SMILES is CC1(C)O[C@]([C@H](N2N=NC3=C(N[C@H]4[C@H](C5=CC=C(F)C(F)=C5)C4)N=C(SCCC)N=C32)C[C@@H]6OCCO)([H])[C@]6([H])O1, in an article , author is Lin, Xin, once mentioned of 274693-26-4, Safety of 2-(((3aR,4S,6R,6aS)-6-(7-(((1R,2S)-2-(3,4-Difluorophenyl)cyclopropyl)amino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)oxy)ethanol.
Discovery of a Pyrimidinedione Derivative with Potent Inhibitory Activity against Mycobacterium tuberculosis Ketol-Acid Reductoisomerase
New drugs aimed at novel targets are urgently needed to combat the increasing rate of drug-resistant tuberculosis (TB). Herein, the National Cancer Institute Developmental Therapeutic Program (NCI-DTP) chemical library was screened against a promising new target, ketol-acid reductoisomerase (KARI), the second enzyme in the branched-chain amino acid (BCAA) biosynthesis pathway. From this library, 6-hydroxy-2-methylthiazolo[4,5-d]pyrimidine-5,7(4H,6H)-dione (NSC116565) was identified as a potent time-dependent inhibitor of Mycobacterium tuberculosis (Mt) KARI with a K-i of 95.4 nm. Isothermal titration calorimetry studies showed that this inhibitor bound to MtKARI in the presence and absence of the cofactor, nicotinamide adenine dinucleotide phosphate (NADPH), which was confirmed by crystal structures of the compound in complex with closely related Staphylococcus aureus KARI. It is also shown that NSC116565 inhibits the growth of H37Ra and H37Rv strains of Mt with MIC50 values of 2.93 and 6.06 mu m, respectively. These results further validate KARI as a TB drug target and show that NSC116565 is a promising lead for anti-TB drug development.
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Reference:
Pyrimidine | C4H4N2 – PubChem,
,Pyrimidine – Wikipedia