>sp|O75648-4|MTU1_HUMAN Isoform 4 of Mitochondrial tRNA-specific 2-thiouridylase 1 OS=Homo sapiens OX=9606 GN=TRMU MKKSLSRSTLRSPKGFSEIGLKLEMVSQDALRRTIFPLGGLTKEFVKKIAAENRLHHVLQ KKESMGMCFIGKRNFEHFLLQYLQPRPGHFISIEDNKVLGTHKGWFLYTLGQRANIGGLR EPWYVVEKDSVKGDVFVAPRTDHPALYRDLLRTSRVHWIAEEPPAALVRDKMMECHFRFR HQMALVPCVLTLNQDGTVWVTAVQAVRALATGQFAVFYKGDECLGSGKILRLGPSAYTLQ KGQRRAGMATESPSDSPEDGPGLSPLL