Table 1.

Short stretch of 27 amino acids of Sir3p is sufficient to mediate a two-hybrid interaction with Rap1p but not Sir3p or Sir4p

LexA hybridβ-Galactosidase (U)
GAD/Sir3p(455–481)GAD
LexA/Rap1p(679–827)803
LexA/Sir3p(307–978)33
LexA/Sir4p(839–1358)45