PILRA GI:30179907 paired immunoglobulin-like type 2 receptor alpha isoform 3 precursor 1 mgrplllpll plllppaflq psgstgsgps ylygvtqpkh lsasmggsve 50 51 ipfsfyypwe latapdvris wrrghfhrqs fystrppsih kdyvnrlfln 100 101 wtegqksgfl risnlqkqdq svyfcrveld trssgrqqwq siegtklsit 150 151 qgnpsktqrs hmrisgmkdk iqips