Source:http://linkedlifedata.com/resource/umls/id/C2752500
GO: A ribonucleoprotein complex that contains aminoacylated initiator methionine tRNA, GTP, and initiation factor 2 (either eIF2 in eukaryotes, or IF2 in prokaryotes). In prokaryotes, fMet-tRNA (initiator) is used rather than Met-tRNA (initiator). [GOC:jl]