[BiO BB] how to grep DNA from protein

[senthil kumar]

Hi  friends,
 i have a serious problem, I wanted to grep all the nucleic acid Coordiantes line from a ribosome PDBfile  and store in separate file, so  i wish to do for some twenty files.. any help is welcomed,
think its is possible by perl or awk or sed .or   "shell Grep " ???



      Add more friends to your messenger and enjoy! Go to http://messenger.yahoo.com/invite/