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Co-immunoprecipitation analysis of extracts prepared from NOY504 (rpa12::LEU2) and YHV504 (rpa12::LEU2 ProtA::rrp5) cells immediately before (L) and 6 h after (H) a shift from 30 to 37°C. (A) Primer extension analysis using probe 1. (B) Northern analysis using a probe complementary to the U3 snoRNA. (C) Silver-stained SDS polyacrylamide gel.
