PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6343842-6 1983 In strains having one class of mutations (per1), ammonia inactivation of the PUT4 and GAP1 permeases did not occur, whereas glutamate and glutamine inactivation did. Ammonia 49-56 amino acid permease GAP1 Saccharomyces cerevisiae S288C 86-90