TABLE 1:

Function and abundance of proteins used in this study.

Name	Molecular function, process	Abundance [molecules/cell] ( Ghaemmaghami et al., 2003)
Bfr2p	Ribosome biogenesis	15,000
Dbp4p	RNA helicase, ribosome biogenesis	8500
Erg1p	Squalene epoxidase, ergosterol biosynthesis	65,000
Has1p	RNA helicase, ribosome biogenesis	—
Prp19p	RNA splicing factor	11,700
Rrn3p	Transcription factor for RNA polymerase I	138
Sec62p	Protein transporter, translocation into endoplasmic reticulum	16,500