PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8384716-2 1993 Degenerate oligonucleotides corresponding to conserved amino acids from transmembrane domains III, V, and VI of known receptors [5-HT1A, 5-HT1C, and 5-HT2; 5-HT is serotonin (5-hydroxytryptamine)] were used as primers for the sequential reactions. Oligonucleotides 11-27 5-hydroxytryptamine receptor 2C Rattus norvegicus 137-143