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