PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24328926-2 2014 In the centre of transmembrane helix (TM)-5, position V:13/5.47, an aromatic amino acid is conserved among class A 7TM receptors. Amino Acids, Aromatic 68-87 tropomyosin 3 Homo sapiens 17-43