What is the best way to use Chimera to compute the RMSd value of an MD trajectory snapshot relative to the crystal structure of the protein?

Thanks!

John M. Beale, Jr., Ph,D.

Professor of Medicinal Chemistry and Pharmacognosy

St. Louis College of Pharmacy

4588 Parkview Place

St. Louis, Missouri  63110

(314)-446-8461

Cell: (314)-315-0409

FAX (314) 446-8460

jbeale@stlcop.edu