A truncated form of Fancm (amino acid residues 1-649) is expressed under the control of its own promoter.
Fancm1-645 partially rescues Fancm0693/Fancmdel
The increased number of mitotic crossovers as well as the low survival rate upon irradiation characteristic for Fancm0693/Fancmdel flies is significantly improved by combination with Fancm1-645.