The molecule is a thiinoindole that is 3,5-dihydro-2H-thiino[4,3,2-cd]indole which is substituted at positions 2 and 3 by carboxy and methyl groups, respectively (the 2R,3S diastereoisomer). It has a role as an EC 6.1.1.2 (tryptophan--tRNA ligase) inhibitor, an antibacterial agent, an antimicrobial agent and a bacterial metabolite. It is a monocarboxylic acid, a thiinoindole and an indole alkaloid.
(5S,6R)-5-methyl-7-thia-2-azatricyclo[6.3.1.04,12]dodeca-1(12),3,8,10-tetraene-6-carboxylic acid