Acts upstream of or within auditory receptor cell stereocilium organization; protein localization to organelle; and sensory perception of sound. Located in microvillus; stereocilium base; and stereocilium shaft. Human ortholog(s) of this gene implicated in autosomal recessive nonsyndromic deafness 101. Orthologous to human GRXCR2 (glutaredoxin and cysteine rich domain containing 2). [provided by Alliance of Genome Resources, Apr 2022]