#chargesize.txt
#format Atomname  Resname      Charge
        NH2       ARG          +0.50
        NH1       Arg          +0.50
        OD1       ASP          -0.50
        OD2       ASP          -0.50
        OE1       GLU          -0.50
        OE2       GLU          -0.50
        ND1       HIS          +0.25
        NE2       HIS          +0.25
        NZ        Lys          +1.00
