caution:It is uncertain whether Met-1 or Met-6 is the initiator.,caution:Ref.1 indicates C21orf8 as a synonym for this orf, this is incorrect, C21orf8 is already assigned to another chromosome 21 region.,similarity:To the N-terminal of threonyl-tRNA synthetases.,tissue specificity:Ubiquitous (isoform 1); heart-specific (isoform 2).,
Mitochondrion .
Isoform 1 is ubiquitously expressed. Isoform 2 is heart-specific.