Upper HB3   LEU  123 - HN    ALA  124   3.86   2   0.04   0.32                   + *
    Upper HN    TRP   49 - HD1   TRP   49   4.14   1   0.02   0.35                     *
    Upper HB2   LYS+ 112 - HN    ASP- 113   3.67   1   0.02   0.34                     *
    Upper HN    VAL   42 - HB    VAL   42   3.39   1   0.01   0.20                     *
    Cutoffs: Upper distance limits  :    0.20 A