PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12552808-7 2001 The beta-gal positive cotransformants were selected from pGADGH Rpb3 and pAS2Rpb2-4 two-hybrid system. beta-D-galactose 4-12 DNA-directed RNA polymerase II core subunit RPB3 Saccharomyces cerevisiae S288C 64-68