A truncated form of Fancm (amino acid residues 1-649) containing the K84M mutation is expressed under the control of its own promoter.
Fancm1-645.K84M fails to rescue Fancm0693/Fancmdel
The increased number of mitotic crossovers as well as the low survival rate upon irradiation characteristic for Fancm0693/Fancmdel flies cannot be rescued by combination with Fancm1-645.K84M.