... b) Aminoacylated: alanyl-
tRNA or Ala-
tRNA, or Ala- tRNAAla. ... In the three-letter symbols, mononucleotides are normally expressed as phosphoric esters, such as Ado-3'-P or P-3'-Ado for adenosine...
http://www.chem.qmul.ac.uk/iupac/misc/naabb.html