>gi|213688348 XG glycoprotein isoform 3 precursor [Homo sapiens] MESWWGLPCLAFLCFLMHARGQRDFDLADALDDPEPTKKPNSDIYPKPKP PYYPQPENPDSGGNIYPRPKPRPQPQPGNSGNSGGSYFNDVDRDDGRYPP RPRPRPPAGGGGGGYSSYGNSDNTHGGDHHSTYGNPEGNMVAKIVSPIVS VVVVTLLGAAASYFKLNNRRNCFRTHEPENV