<html><div style='background-color:'><DIV>Please help. I wish to extract and save a region of a protein 20 angstroms from the ligand binding site. How can I do this? I used "zone" and "hide" then "save", but this saves the entire protein. In other words, I wish separate out and save certain portions of a structure, not the entire protein. There was no information on this in the tutorial. Can you help me here? Thank you much.</DIV>
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