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Hi.
This may, or may not, be a problem, but I have found that using the selection_segment argument ‘FIRST:A’ , ‘LAST:A’ in model.pick_atoms doesn’t appear to work properly. In fact, the whole molecule (all chains) is selected (i.e. the argument acts as if it were ‘FIRST:’, ‘LAST:’). Correct selection does occur if discrete, numbered residues are used, as in ‘1:A’, ‘100:A’, selecting atoms in a segment from residues 1 to 100 in chain A.
Is this correct, or have I stumbled across a bug.
Cheers,
Alex. |