Deafness, X-Linked 1, also known as dfnx1, is related to deafness, x-linked 3 and sensorineural hearing loss. An important gene associated with Deafness, X-Linked 1 is PRPS1 (Phosphoribosyl Pyrophosphate Synthetase 1), and among its related pathways/superpathways are Pentose phosphate pathway and Nucleotide metabolism. Related phenotype is sensorineural hearing impairment.