Table 2

Genotype-3a peptides identified in spontaneous resolvers

ProteinAmino acid3a Peptide sequence* Patients1b Peptide sequenceOutcomeDefining CD4:CD8 T cell subsets
E2610–625LTPRCMVDYPYRLWHY109LTPRCLVDYPYRLWHYSRNA
696–712LIHLHQNIVDVQYLYGV568LIHLHQNIVDVQYLYGI SRCD8
702–719NIVDVQYLYGVGSGMVGW861NIVDVQYLYGVGSAFVSF SRCD8
NS3 protease1198–1213KALQFIPVETLSTQAR626KAVDFVPVESMETTMR SRCD4
1288–1305GNRTVTTGAKLTYSTYGK109GVRTITTGAPVTYSTYGKSRNA
NS3 helicase1423–1440AYYRGLDVSVIPTAGDVV884AYYRGLDVSVIPTIGDVVSRCD4
NS4b1805–1822TSPLTTNQTMFFNILGGW806TSPLTTQSTLLFNILGGWSRNA
NS5b2548–2565NQIRSVWEDLLEDTTTPI113NHIHSVWKDLLEDTVTPISRCD4
2603–2618KRALYDVIQKLSIETM884KMALYDVVSTLPQVVMSRCD4
2893–2908IIERLHGLSAFTLHSY113IIERLHGLSAFSLHSYSRCD4
  • * Genoype 3a peptide sequence identified as T cell targets in patients with resolved infection. Sequence differences from genotype-1b peptides is shown in bold.

  • CD4:CD8 T cell subset analysis assessed using ICS assays.

  • CD4:CD8 T cell subset analysis was assessed using PBMC in IFN-γ ELISpot assays following CD8 depletion.

  • ICS, intracellular cytokine stains; IFN, interferon; PBMC, peripheral blood mononuclear cells.