PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17900762-1 2008 Ligand-supported homology models of the human histamine H4 receptor (hH4R) were developed based on the crystal structure of bovine rhodopsin and different known H4 ligands (histamine, OUP-16, JNJ7777120). Histamine 46-55 rhodopsin Bos taurus 131-140