PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18408064-3 2008 The episomal vector systems pESC (with the galactose-inducible promoter GAL1) and pYEX-BX (with the copper ion-inducible promoter CUP1) were chosen to express the cyanophycin synthetase gene from the cyanobacterium Synechocystis sp. Galactose 43-52 galactokinase Saccharomyces cerevisiae S288C 72-76