Contains Dronc upstream promoter and 5'UTR sequences, a mutated Dronc open reading frame in which the catalytic Cys residue 318 is replaced with Ala, and Dronc 3'UTR sequences.
The expression of DroncC-A.5'3'UTR rescues the significant proportion of hyperplastic adult testes in DroncI29/DroncL32 transheterozygotes, but not their sperm individualization defects.