Table 4

Predicted epitopes for HLA DRB1*0101 and HLA DRB1*0401 which were changed by nonsynonymous mutations

Patient
Amino acid start position
Predicted core epitope (before mutation)
Predicted -logIC50 (M)
New epitope with amino acid changea
New predicted -logIC50 (M)

HLA DRβ*0101
     RA313
274
RTAYPRFRY
6.661
RTAHPRFRY
6.896
     RA307
99
NLGLLFILA
6.51
SLGLLFILA
6.549
     OA302
215
YAAGPFALF
6.681
YAAGPFALS
5.708
HLA DRβ*0401
     RA307
259
FVTKTLLLT
7.329
FVAKTLLLT
7.316
     RA313
88
PLPMPNPLV
7.093
PLPIPNPLV
6.946
     RA307
93
NPLVNLNLG
7.09
NPLVNLSLG
7.148

aBold indicates amino acid changed by mutation; a -logIC50 value above 6.5 is considered to be a binder for prediction purposes. IC50, median inhibitory concentration.

Da Sylva et al. Arthritis Research & Therapy 2005 7:R844   doi:10.1186/ar1752

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