aminoacyl adenylate

a·mi·no·ac·yl a·den·y·late

(ă-mē'nō-as'il ă-den'i-lāt),
The product formed by the condensation of the acyl radical of an amino acid and adenosine 5'-monophosphate (originally in the form of adenosine 5'-triphosphate, with elimination of a pyrophosphoric group). Formed in the first step of protein biosynthesis.