7bp deletion and G to A change within the ClC-b coding region.
A 7bp deletion (CTTCCAA) starting in codon K32 of ClC-b and a G to A base substitution 6 bases upstream causes a frameshift mutation.
TCCAA
ClC-b61/Df(2R)BSC880 is a non-suppressor of abnormal eye color phenotype of wRNAi.GMR