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

B4RNT1 — Leucine--tRNA ligase