ChEBI: MS-417 is a member of the class of thienotriazolodiazepines that is the methyl ester of [(6S)-4-(4-chlorophenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-6-yl]acetic acid. A bromodomain and extra-terminal domain (BET)-specific inhibitor that belongs to a group of thienodiazepine-based compounds It is a thienotriazolodiazepine, a member of monochlorobenzenes and a methyl ester. It is an enantiomer of a MS-566.
MS417, a (+)-JQ1 analog, is a potent inhibitor of bromodomain-containing protein 4 (BRD4) th at is highly specific for BRD4-BD1 and BRD4-BD2. MS417 binds with similar affinity to BRD4-BD1 and BRD4-BD2 (Kd =36.1, and 25.4 nM), while bulky tBu of JQ1 prevents tight binding to the cavity at BD1.
