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<div><br class=""><blockquote type="cite" class=""><div class="">On Jul 15, 2019, at 6:23 AM, <a href="mailto:sara20@mail.ustc.edu.cn" class="">sara20@mail.ustc.edu.cn</a> wrote:</div><br class="Apple-interchange-newline"><div class="">Dear <div class="">I am trying to minimize a structure with HEME cofactor. I added heme frcmod and prep files from Amber parameter database in parm and prep folders respectively.I minimized the structure at different steps of steepest descent from 100 to 1000.But in all the structures FE of heme is not well aligned with HEME structure (it is pointed out of structure).I tried with both all atom and united atom frcmod and prep files but the results are same.Please find attached the minimized structure. Kindly tell me where am I wrong. Any help would be appreciated. Thank you</div><div class=""><br class=""></div><div class="">Regards</div><div class="">Sara</div><span id="cid:EFDB58F5-232E-4058-8092-06C99BCD6B1C@cgl.ucsf.edu"><min1Refined_model7.pdb></span>_______________________________________________<br class="">Chimera-users mailing list: <a href="mailto:Chimera-users@cgl.ucsf.edu" class="">Chimera-users@cgl.ucsf.edu</a><br class="">Manage subscription: <a href="http://plato.cgl.ucsf.edu/mailman/listinfo/chimera-users" class="">http://plato.cgl.ucsf.edu/mailman/listinfo/chimera-users</a><br class=""></div></blockquote></div><br class=""></div></body></html>