passages.id: split_8_test_3049_passage
passages.type: progene_text
passages.text: In this study , we displayed the peptides comprising 12 amino acids of the immunodominant loop of gp41 on the surface of M13 phage as N - terminal fusions to the minor coat protein pIII and major coat protein pVIII of the phage and demonstrated that cysteine loop containing peptide expressed on phage recognized 62 out of 63 ( 98.4 % ) HIV-1 positive samples but not control negative sera while phage bearing linear peptides detected 4 - 30 % of HIV - 1 - positive sera .