passages.id: split_4_test_1051_passage
passages.type: progene_text
passages.text: By using a modified yeast two - hybrid system and SHP-1 as bait , we have cloned a human cDNA , PILRalpha , encoding a 303 - amino acid immunoglobulin - like transmembrane receptor bearing two cytoplasmic tyrosines positioned within an immunoreceptor tyrosine - based inhibitory motif .