Why is that? Simply, because the denaturate state is difficult to define as it certainly correspond to a multitude of conformations including some of the native state. Pr. Nadir T. Mrabet Structural & Molecular Biochemistry N-gere - INSERM U-954 University of Lorraine, Nancy School of Sciences and Technologies & School of Medicine 9, Avenue de la Foret de Haye, BP 184 54505 Vandoeuvre-les-Nancy Cedex France Phone: +33 (0)3.83.68.32.73 Fax: +33 (0)3.83.68.32.79 E-mail: Nadir.Mrabet <at> univ-lorraine.fr Cell.: +33 (0)6.11.35.69.09 LEGAL NOTICE Unless expressly stated otherwise, this message is confidential and may be privileged. It is intended for the addressee(s) only. Access to this E-mail by anyone else is unauthorized. If you are not an addressee, any disclosure or copying of the contents of this E-mail, or any action taken (or not taken) in reliance on it, is unauthorized and may be unlawful. If you are not an addressee, please inform the sender immediately. On 14/09/2012 19:56, Elaine Meng wrote:

Hi Vamsee, Sorry no, there is no way to do those kinds of calculations in Chimera. Best, Elaine ----- Elaine C. Meng, Ph.D. UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab Department of Pharmaceutical Chemistry University of California, San Francisco

On Sep 13, 2012, at 6:31 PM, vamsee wrote:

...

Hi Elaine, Thanks for the answer for the previous question. I am back with one more :)

Is there a way to completely denature a protein in Chimera? The idea is to completely unfold a particular protein (for ex: chemical denaturation GdHCl/Urea or thermal denaturation) to its primary structure. Also can this be modeled in such a way that we can extract thermodynamic parameters from the modeling? I do understand this sounds a lot like a Molecular Dynamics simulation but maybe there is a way in Chimera? Thanks again Vamsee

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