Hi Justin,
thanks, for your reply.
I'm going to check H++ tools on my system.
Cheers,
---
Ricardo O. S. Soares , PhD Student.
Group of Biological Physics - Department of Physics & Chemistry
Faculty of Pharmaceutical Sciences at Ribeirão Preto - University of São Paulo.
>________________________________
> De: Justin A. Lemkul <jalem...@vt.edu>
>Para: Ricardo O. S. Soares <ross_...@yahoo.com.br>; Discussion list for
>GROMACS users <gmx-users@gromacs.org>
>Enviadas: Quinta-feira, 23 de Fevereiro de 2012 18:07
>Assunto: Re: [gmx-users] Peptide protonation inside membrane
>
>
>
>Ricardo O. S. Soares wrote:
>> Dear Users,
>>
>> when using pdb2gmx with the -inter flag, how should one manage the residues
>> charges of a peptide which is fully embedded in a lipid bilayer?
>> It seems that there are evidences that ARG residue remains protonated inside
>> the membrane (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2275699/).
>> How about the HIS, LYS etc?
>>
>> Sorry if it's a dull question, however I found very little comments on the
>> subject.
>>
>
>There is quite a lot in the literature about pKa shifting based on different
>microenvironments. There are also a number of tools available to do pKa
>estimates, for instance:
>
>http://biophysics.cs.vt.edu/
>
>-Justin
>
>-- ========================================
>
>Justin A. Lemkul
>Ph.D. Candidate
>ICTAS Doctoral Scholar
>MILES-IGERT Trainee
>Department of Biochemistry
>Virginia Tech
>Blacksburg, VA
>jalemkul[at]vt.edu | (540) 231-9080
>http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin
>
>========================================
>
>
>
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