TSEN15 GI:188528677 tRNA splicing endonuclease 15 isoform 2 1 meergdsept pgcsglgpgg vrgfgdggga pswapedawm gthpkylemm 50 51 eldigdatqv yvaflvyldl meskswhevn cvglpelqli clvgteiege 100 101 glqtvvptpi taslshnrif lleddihvs