Fig. 1. Two clones, 1.12 and 2.52, show specificity for the GalT cytoplasmic domain in the two-hybrid system. Relative ß-galactosidase activity, normalized to cell number, using the MUG assay as described in Materials and Methods. The interaction of Ras/Raf was used as a positive control and the level of background activity between 1.12, 2.52 and Ras was used as a negative control. The error bars represent the standard error from eight experiments.

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