Fig 4.
Histone H3K36 was required for Ioc4 association with chromatin. (A) The levels of Ioc4HA at the 3′ end of the active MET16 gene were measured relative to input by ChIP-qPCR in the indicated strains. Results are shown relative to the WT, which was set to 1. (B) Quantitative immunoblots for TAP-tagged Met16 or HA-tagged Ioc4 in the indicated strains. (C) The levels of Sas3HA at the 5′ end of the COX10 gene were measured relative to input by ChIP-qPCR in the indicated strains. Results are shown relative to the WT. (D) Purified Isw1b was incubated with immobilized mononucleosomes generated from recombinant histones with the indicated methyl-lysine analogs at H3K36. Samples were immunoblotted for TAP-tagged Ioc4 or histone H3 as indicated. Input represents 10% of the Isw1b added to the binding assays. For panels A to C, error bars indicate the means ± SEM from three independent experiments.