Mutations in the MYO5A (MIM*160777) encoding MYO5A and MLPH (MIM*606526) encoding MLPH/SLAC2-A cause other types of Griscelli syndrome GS-1 (MIM#214450) and GS-3 (MIM#609227), respectively (8, 9). This evidence concerns the gene MYO5A and Griscelli syndrome.