PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10455014-1 1999 Here we describe a generic procedure for the expression and purification of milligram quantities of functional recombinant eukaryotic integral membrane proteins, exemplified by hexahistidine-tagged bovine rhodopsin. His-His-His-His-His-His 177-190 rhodopsin Bos taurus 205-214