passages.id: split_5_test_3486_passage
passages.type: progene_text
passages.text: Here , we study the role of complexed peptide in the interaction of these forms of B27 with the killer cell immunoglobulin ( Ig ) - like receptors KIR3DL1 and KIR3DL2 and with Ig - like transcripts LILRB1 and LILRB2 .