Figure 4.
Effect of the Mutation of Ser-517 of PT8 on Interaction with PHF1.
(A) Yeast split-ubiquitination assay among PHF1 and different versions of PT8. Coexpression of PHF1-Cub with NubI or NubG was used as a positive or negative control, respectively.
(B) co-IP of GFP, wild-type/mutated versions of GFP-PT8, and PHF1 from infiltrated N. benthamiana leaves. Precipitates were immunoblotted with GFP (bottom panel) and PHF1 (top panel) antibodies (Supplemental Figure 10). The first lane shows control immunoprecipitations using GFP empty vector.