I am new to Chimera and i have hard time finding commands like how to select some chain and exclude 1 or 2 residue in that chain? also i have a protein with 2 chain. how can i make different model for different chain or different portion of same chain so i can perform some action like clipping on these model independentaly? can any one please help me for these problems?

Thank you

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Dhiraj K. Srivastava
Department of Chemistry
University of Missouri-Columbia
MO, 65211
Ph. no. 001-573-639-0153