Article Artificial Gene Fusion BCY1 gene Bcy1 Bcy1 protein, S cerevisiae Cyclic AMP-Dependent Protein Kinase Catalytic Subunits Gene Expression Profiling Gene Expression Regulation, Fungal Genes, Reporter PKA Promoter Regions, Genetic Saccharomyces cerevisiae Saccharomyces cerevisiae Proteins Saccharomyces cerevisiae protein TPK1 gene TPK2 gene TPK3 gene Tpks Transcription regulation Transcription, Genetic choline cyclic AMP dependent protein kinase cyclic AMP dependent protein kinase catalytic subunit enzyme active site enzyme phosphorylation enzyme subunit enzymology fungal gene gene expression profiling gene expression regulation