A 6.1kb SalI genomic fragment containing the e(r) coding sequence, into which amino acid substitutions T18E, S24E and T63E have been introduced.
e(r)T18E.S24E.T63E fails to rescue e(r)p2
e(r)T18E.S24E.T63E fails to rescue e(r)p1
e(r)T18E.S24E.T63E fails to suppress the ability of e(r)p1 to enhance the mutant wing phenotype of rhd1-12.
e(r)T18E.S24E.T63E fails to suppress the synthetic lethality caused by e(r)p2 in combination with Nnd-p.