PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17629624-1 2007 T1R2/T1R3 heterodimers are selectively responsive to sweet substances whereas T1R1/T1R3 receptors are selective for umami substances, represented by monosodium glutamate (MSG), and for L-amino acids. Amino Acids 185-198 taste 1 receptor member 3 Rattus norvegicus 78-87 15574816-1 2004 Recent research has implicated T1R1/T1R3 as the primary taste receptor in mammals for detecting L-amino acids, including L-monosodium glutamate (MSG) and L-alanine. Amino Acids 96-109 taste 1 receptor member 3 Rattus norvegicus 31-40