Eukaryotic translation initiation factor 1A, Y-chromosomal is a protein that in humans is encoded by the EIF1AY gene .[ 5] [ 6]
Like its X-chromosomal counterpart EIF1AX , it encodes an isoform of eukaryotic translation initiation factor 1A (EIF1A). EIF1A is required for the binding of the 43S complex (a 40S subunit, eIF2/GTP/Met-tRNAi and eIF3) to the 5' end of capped RNA . It has one amino acid difference (M50L) from EIF1AX.[ 6]
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