Hi,

I need some help about the single mutant script. The following is a warning message I found in the log file.

generat_607W> Cannot find params in params file:
              CHARMM atoms :  C UNDF
              IUPAC atoms  :  C N
              Atom indices :      900     902
              Residues     :  GLU PTR

Is this the problem relate to the version of the CHARMM?

Many thanks,
Alex