(2~{S},3~{R})-2-[2-[[(2~{R},3~{S},4~{R},5~{R})-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]ethanoylamino]-3-oxidanyl-butanoic acid

P05852 — tRNA N6-adenosine threonylcarbamoyltransferase A synthase) A37 threonylcarbamoyladenosine biosynthesis protein TsaD