<div dir="ltr">Dear Eric, <div><br></div><div>Thank you for your help. </div><div><br></div><div>Maybe you know how to build *.prmtop file of substance namely in the GAFF force field, using Chimera's tools?</div><div><br></div><div>Best regards, </div><div>Victor </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">вт, 26 окт. 2021 г. в 20:14, Eric Pettersen <<a href="mailto:pett@cgl.ucsf.edu">pett@cgl.ucsf.edu</a>>:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi Victor,<br>
Most of Chimera uses AmberTools18 (e.g. minimization; charge addition), but specifically the tools in the Tools→Amber menu use functionality provided by sleap, which is not distributed with current versions of AmberTools. Those tools use AmberTools 1.5, which was released in 2011.<br>
<br>
--Eric<br>
<br>
Eric Pettersen<br>
UCSF Computer Graphics Lab<br>
<br>
<br>
> On Oct 26, 2021, at 2:21 AM, Victor Nazarychev via Chimera-users <<a href="mailto:chimera-users@cgl.ucsf.edu" target="_blank">chimera-users@cgl.ucsf.edu</a>> wrote:<br>
> <br>
> Dear Chimera's users, <br>
> <br>
> I built amber's .inpcrd and prmtop files using command write prmtop from Tools/Amber/Write Prmtop. I used Chimera 1.15 (build 42334), but how could I figure out what version of AmberTools is incorporated in this Chimera release? <br>
> <br>
> Best regards, <br>
> Victor<br>
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