<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:12pt;color:#000000;">hello every one!<br>I am trying to o<a rel="nofollow" ymailto="mailto:gmx-users@gromacs.org" target="_blank" href="mailto:gmx-users@gromacs.org"><span class="yshortcuts" id="lw_1303034649_1"></span></a>mit TPO(witch stands for phospho-tyrosine) from my pdb file by executing the command"grep TPO 10L5.pdb > TPO.pdb". but i am being facing with this erorr"grep: 10L5.pdb: No such file or directory" can any one help?<br><br>
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