PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7682702-2 1993 MR22 and REC17 are 371 and 357 amino acids long, respectively, as deduced from nucleotide sequence and share 68% mutual amino acid identity and 30-35% identity with known catecholamine and 5-HT receptors. Catecholamines 171-184 5-hydroxytryptamine (serotonin) receptor 5B Rattus norvegicus 0-4 7682702-2 1993 MR22 and REC17 are 371 and 357 amino acids long, respectively, as deduced from nucleotide sequence and share 68% mutual amino acid identity and 30-35% identity with known catecholamine and 5-HT receptors. Catecholamines 171-184 5-hydroxytryptamine (serotonin) receptor 5B Rattus norvegicus 9-14