MHC-I Allele POS. N SEQUENCE C MW (Da) SCORE % OPT. 8mer_H2_Db 104 SVD AVIATFTI TPE 816.99 18.033 34.35 % 8mer_H2_Db 44 IVG VKNDVPHY ALL 953.06 12.117 23.08 % 8mer_H2_Db 34 LES IKSKGQLI VGV 868.08 6.856 13.06 % 8mer_H2_Db 217 ILP DSFEPQSY GIV 953.98 6.586 12.55 % 8mer_H2_Db 119 KRI YNFSEPYY QDA 1064.14 5.626 10.72 % 8mer_H2_Db 90 AVN AKTRGPLL DNG 837.03 4.556 8.68 % 8mer_H2_Db 112 FTI TPERKRIY NFS 1044.23 3.653 6.96 % 8mer_H2_Db 144 KSL ADMKGANI GVA 800.92 2.872 5.47 % 8mer_H2_Db 86 IKL VAVNAKTR GPL 839.98 1.977 3.77 % 8mer_H2_Db 54 YAL LDQATGEI KGF 827.89 1.511 2.88 % 8mer_H2_Db 76 AKS ILGDDKKI KLV 883.05 1.366 2.60 % 8mer_H2_Db 175 IDV KFSEFPDY PSI 1014.12 1.32 2.51 % 8mer_H2_Db 222 FEP QSYGIVTK KDD 877.0 1.231 2.35 % 8mer_H2_Db 178 KFS EFPDYPSI KAA 949.05 1.17 2.23 % 8mer_H2_Db 167 GEA AKKIGIDV KFS 825.01 1.028 1.96 % 8mer_H2_Db 165 AIG EAAKKIGI DVK 810.99 0.645 1.23 %

Table 1a: Promiscuous MHC ligands, having C-terminal ends are proteosomal cleavage sites of Peb1a from Campylobacter jejuni . The binding potential (score) of antigenic peptide to the MHC-1 Allele i.e. 8mer_H2_Db.