Dear Sreetama, ProFit (http://www.bioinf.org.uk/software/profit/) does the RMS-by-residue calculation for multiple chain superposition.
Avinash Punekar
Dear Sreetama, ProFit (http://www.bioinf.org.uk/software/profit/) does the RMS-by-residue calculation for multiple chain superposition.
Avinash Punekar