A 22bp deletion of the coding sequence in exon 1, predicted to produce a truncated protein containing the first 16 amino acids and a frameshifted coding segment (and therefore lacking the conserved CiPC domain).
A 22bp deletion in the first coding exon of Cipc leads to a frameshift.
CipcΔ22 adults exhibit a significantly shorter circadian period and decreased rhythmicity strength as compared to controls.