<p class="MsoNormal" style="MARGIN: 0in 0in 0pt"><span style="FONT-SIZE: 11pt; mso-ascii-font-family: 'Times New Roman'; mso-ascii-theme-font: major-bidi; mso-hansi-font-family: 'Times New Roman'; mso-hansi-theme-font: major-bidi; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: major-bidi"><font face="Times New Roman">Dear all</font></span></p>
<div class="MsoNormal" style="MARGIN: 0in 0in 0pt"><span style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman','serif'; mso-ascii-theme-font: major-bidi; mso-hansi-theme-font: major-bidi; mso-bidi-theme-font: major-bidi"></span> </div>
<div class="MsoNormal" style="MARGIN: 0in 0in 0pt"><span style="FONT-SIZE: 11pt; FONT-FAMILY: 'Times New Roman','serif'; mso-ascii-theme-font: major-bidi; mso-hansi-theme-font: major-bidi; mso-bidi-theme-font: major-bidi">I used g_hbond for analysis of hydrogen bonds between protein-ligand complex.</span></div>
<p class="MsoNormal" style="MARGIN: 0in 0in 0pt"><span style="FONT-SIZE: 11pt; mso-ascii-font-family: 'Times New Roman'; mso-ascii-theme-font: major-bidi; mso-hansi-font-family: 'Times New Roman'; mso-hansi-theme-font: major-bidi; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: major-bidi"><font face="Times New Roman">g_hbond -f *.xtc -s *.tpr -n *.ndx -num -g -ac -dist -ang -hx -hbn -hbm -don -dan -life -nhbdist </font></span></p>
<p class="MsoNormal" style="MARGIN: 0in 0in 0pt"><span style="FONT-SIZE: 11pt; mso-ascii-font-family: 'Times New Roman'; mso-ascii-theme-font: major-bidi; mso-hansi-font-family: 'Times New Roman'; mso-hansi-theme-font: major-bidi; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: major-bidi"><font face="Times New Roman"> </font></span></p>
<p class="MsoNormal" style="MARGIN: 0in 0in 0pt"><span style="FONT-SIZE: 11pt; mso-ascii-font-family: 'Times New Roman'; mso-ascii-theme-font: major-bidi; mso-hansi-font-family: 'Times New Roman'; mso-hansi-theme-font: major-bidi; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: major-bidi"><font face="Times New Roman">after using g_hbond, gromacs gives me: HB lifetime = 16.82 ps</font></span></p>
<p class="MsoNormal" style="MARGIN: 0in 0in 0pt"><span style="FONT-SIZE: 11pt; mso-ascii-font-family: 'Times New Roman'; mso-ascii-theme-font: major-bidi; mso-hansi-font-family: 'Times New Roman'; mso-hansi-theme-font: major-bidi; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: major-bidi"><font face="Times New Roman">this lifetime is related with what hydrogen bond? </font></span></p>
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