2.6.1.14 cytosol - 5829 637254 2.6.1.14 mitochondrion - 5739 637254, 637255 2.6.1.14 peroxisome the C-terminal tripeptide Ser-Arg-Ile (residues 399-401) constitute a type 1 peroxisomal targeting sequence (PTS1) 5777 759257