Raynaud-Claes Syndrome, also known as mrxsrc, is related to non-syndromic x-linked intellectual disability and syndromic x-linked intellectual disability cabezas type. An important gene associated with Raynaud-Claes Syndrome is CLCN4 (Chloride Voltage-Gated Channel 4), and among its related pathways/superpathways is rRNA processing in the mitochondrion. Affiliated tissues include brain, and related phenotypes are global developmental delay and seizure