> Mask [:342.O] represents O atoms!!!!! NO ATOMS DETECTED!!!
If ptraj does not find this, either there is an error with the program or
residue 342 atom named O does not exist.
Using rdparm, you can
checkmask :342.O
or
atoms :342
and see if residue 342 has an atom named O in it; perhaps the name is
different than you think or you have the incorrect residue number?
Note that the notion of crystal waters is tricky in MD simulation since
water is highly mobile and therefore they exchange rapidly. Even at tight
interfaces, such as a protein-nucleic acid interface, the lifetimes of
bound water are on the ns time scale.
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Received on Fri Oct 21 2005 - 03:53:00 PDT
