Table 1.

Overview of m¹A modifications in human RNAs.

RNA	Position	Functions
tRNA	9	Formation of cloverleaf structure; Stabilization of tRNA structure [35]
mt-tRNA	9	Formation of cloverleaf structure; Stabilization of tRNA structure [19], [36]
tRNAPhe	14	Unknown [16]
tRNA	58	Promotion of translation; Stabilization of tRNAiMet[15], [29]
mt-tRNA	58	Unknown [12]
mt-16S rRNA	947	Stabilization of mitochondrial ribosome [22]
28S rRNA	1322	Formation of ribosome 60S subunit [37]
mRNA	All segments	Promotion of translation [9]
ATP5D mRNA	A71 at Exon 1	Suppression of translation elongation [38]
mt-mRNA	CDS	Prevent the effective translation of modified codons [6]
ND5 mt-mRNA	1374	Unknown [24]
MALAT1 lncRNA	8398	Unknown [24]