From: Giacomo Fiorin (giacomo.fiorin_at_gmail.com)
Date: Thu Jan 18 2018 - 18:54:48 CST
It's not entirely clear given the language, but if there is a specific
protein channel in the lipid bilayer (i.e. it's not just lipid) you could
always try wrapping only the Z dimension. Have a look at the pbctools code
On Thu, Jan 18, 2018 at 7:43 PM, Rabeta Yeasmin <rabetayeasmin_at_gmail.com>
> Dear Mr. Giacomo,
> Thanks for your reply. I have used pbc unwrap to unwrap water. But my
> concern is how can I analyse results (may be dcd file) to find out water
> molecules passing through the channel.
> Rabeta Yeasmin
> On Thu, Jan 18, 2018 at 6:38 PM, Giacomo Fiorin <giacomo.fiorin_at_gmail.com>
>> Try using pbc unwrap and analyze the result?
>> On Thu, Jan 18, 2018 at 7:19 PM, Rabeta Yeasmin <rabetayeasmin_at_gmail.com>
>>> Dear NAMD users,
>>> I want to calculate water molecules that are crossing through the
>>> channel of a lipid bilayer. It is very difficult to track water molecules
>>> visually which are passing through the channel in VMD as there are a lot of
>>> water molecules. And also I am confused about the unwrapping the water
>>> molecules to calculate the velocity at which water is passing through the
>>> channel. Because I can track an water molecule passing through the channel
>>> visually but when I check the pdb file, some of its x, y coordinate are
>>> outer side of the simulation box (in unwrapped water molecule). So I wonder
>>> if they are outer side of the simulation box how they cross the channel
>>> through the lipid.
>>> I will be grateful if anyone can suggest me any way to calculate water
>>> molecules passing through lipid bilayer and their velocity/diffusion rate.
>>> Rabeta Yeasmin
>> Giacomo Fiorin
>> Associate Professor of Research, Temple University, Philadelphia, PA
>> Contractor, National Institutes of Health, Bethesda, MD
-- Giacomo Fiorin Associate Professor of Research, Temple University, Philadelphia, PA Contractor, National Institutes of Health, Bethesda, MD http://goo.gl/Q3TBQU https://github.com/giacomofiorin
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