[Isoform 2]: Protein-lysine methyltransferase that selectively catalyzes the trimethylation of EEF1A at 'Lys-318'. {ECO:0000255|HAMAP-Rule:MF_03188, ECO:0000269|PubMed:25144183, ECO:0000269|PubMed:38199565}. This is the function of EEF1AKMT2 (EEF1A lysine methyltransferase 2, ENSG00000203791).