Table 1.
HLA-A2/A0201-restricted T-cell epitopes of HIV p24 protein identified by at least 4 epitope prediction methods and molecular docking technique.
Peptide | Sequence | No. of methods | Methodsa | Peptide binding free energy score |
Epitope |
|||
---|---|---|---|---|---|---|---|---|
MHC | TCR α | TCR β | Prediction | Experiment | ||||
p15 | SLSPRTLNA | 9 | 1–4, 6, 8, 10–12 | −2.09 | No binding | 1.86 | No | No |
p19 | RTLNAWVKV | 9 | 1–6, 8, 10, 12 | −0.91 | −0.42 | −0.66 | Yes | Yes |
p20 | TLNAWVKVI | 9 | 1–4, 6,8, 9, 11, 12 | −3.38 | −0.5 | −0.32 | Yes | Yes |
p36 | EVIPMFSAL | 6 | 1, 2, 4, 7–9 | −3.13 | 0.5 | 0.02 | No | No |
p52 | DLNMMLNVV | 9 | 1–4, 6, 8, 9, 11, 12 | −3.94 | 1.58 | −0.12 | No | No |
p66 | AMQMLKDTI | 6 | 2, 3, 8, 9, 11, 12 | −3.39 | 0.39 | 0.79 | No | No |
p79 | AEWDRVHPV | 8 | 1–4, 8, 10–12 | −0.52 | −0.15 | 2.23 | No | No |
p104 | DIAGTTSTL | 5 | 1, 2, 9, 11, 12 | −0.96 | −0.01 | −0.7 | Yes | No |
p111 | TLQEQIGWM | 8 | 1, 3, 5, 6–8, 11, 12 | 0.81 | 3.69 | −0.36 | No | No |
p117 | GWMTGNPPV | 4 | 2, 5, 7, 10 | −2.89 | −0.84 | −0.22 | Yes | No |
p119 | MTGNPPVPV | 9 | 1–3, 5, 6, 8, 10–12 | −3.13 | 0.32 | 0.18 | No | No |
p129 | DIYRRWIIL | 4 | 1, 7, 9, 12 | 0.39 | −1.48 | −1.73 | No | No |
p131 | YRRWIILGL | 4 | 2, 5, 10, 12 | −3.25 | 1.09 | −0.64 | No | No |
p134 | WIILGLNKI | 6 | 1–3, 8, 9, 12 | −1.82 | −0.56 | −1.16 | Yes | No |
p135 | IILGLNKIV | 8 | 1–3, 5, 8, 9, 11, 12 | 0.75 | 0.4 | No binding | No | No |
p138 | GLNKIVRMY | 4 | 1, 2, 9, 11 | −2.39 | No binding | −0.49 | No | No |
p141 | KIVRMYSPV | 8 | 1–3, 5, 6, 8, 9, 12 | −0.91 | −0.43 | −0.64 | Yes | No |
p144 | RMYSPVSIL | 11 | 1–6, 8–12 | −2.34 | 0.42 | 2.6 | No | No |
p165 | YVDRFFKCL | 7 | 1–5, 8, 9 | −3.21 | No binding | −2.32 | No | No |
p184 | NWMTETLLV | 4 | 1, 7, 9, 11 | −1.39 | 0.03 | −0.73 | No | No |
p204 | KALGTGATL | 7 | 1–3, 8, 9, 11, 12 | −0.84 | 1.83 | −0.74 | No | No |
p210 | ATLEEMMTA | 6 | 1–3, 6, 8, 10 | −1.93 | −0.46 | 0.35 | No | No |
p211 | TLEEMMTAC | 8 | 1–3, 6–9, 11 | −3.65 | 1.68 | 1.24 | No | No |
p214 | EMMTACQGV | 8 | 1–3, 6–9, 11 | −1.94 | −0.95 | −0.06 | Yes | Yes |
1: ANNPRED; 2: COMPRED; 3: BIMAS; 4: CTLPRED; 5: MHCPRED; 6: NETMHC; 7: PREDEP; 8: PROPRED-I; 9: RANKPED; 10: SMM; 11: SVMHC; 12: SYFPEITHI.