MT-A70 is the S-adenosylmethionine-binding subunit of human mRNA:m6A methyl-transferase (MTase), an enzyme that sequence-specifically methylates adenines in pre-mRNAs.

1: Structure Prediction and Phylogenetic Analysis of a Functionally Diverse Family of Proteins Homologous to the MT-A70 Subunit of the Human mRNA:m6A Methyltransferase. Bujnicki JM, Feder M, Radlinska M, Blumenthal RM; J Mol Evol 2002;55:431-444. PMID:12355263