sequence of Gab DOS_DROME CG1044 DOS Dos E(csw)3A E(csw[CS])3A Enhancer of corkscrew-CS IMR:0001420 Protein daughter of sevenless Su(sev)3A Su(sev[S11])3A Suppressor of sevenless-S11 UniProt:Q9VZZ9 daughter of sevenless dos molecule_role