or download this
>perl -ane "next if $seen{$F[1].$F[2]}++;print" InputFile.txt
----------------------------------------------------------------------
+-------------
...
93 HLA-A*02:05 ELMTLATWV ELMTLATWV 0 0 0 0 0 ELMTLA
+TWV X02763_HBe_A_po 0.46686 320.0 2.50
8 HLA-A*02:05 LIISCTCPT LIISCTCPT 0 0 0 0 0 LIISCT
+CPT X02763_HBe_A_po 0.45053 381.9 2.50
117 HLA-A*11:01 IISCTCPTV YVNVNMGLK 0 0 0 0 0 YVNVNM
+GLK AB219428_HBe_B_ 0.62268 59.3 0.40 <= SB