[gmx-users] plus and minus signs in rtp files

[Justin Lemkul]

On 11/2/15 7:04 AM, Joan Clark Nicolas wrote:
> Dear gmx users,
> I am triying to add a new residue to the aminoacids.rtp file and I found
> some plus and minus signs that I don't know what to do with. For example,
> for the ASP, we have these:
>
> [ bonds ]
> (...)
>      -C     N
> (...)
> [ impropers ]
>      -C    CA     N     H
>      CA    +N     C     O
>
> Can you tell me what this signs mean and what rules I have to follow to put
> them?
>

Previous (-) and next (+) residue.

-Justin

-- 
==================================================

Justin A. Lemkul, Ph.D.
Ruth L. Kirschstein NRSA Postdoctoral Fellow

Department of Pharmaceutical Sciences
School of Pharmacy
Health Sciences Facility II, Room 629
University of Maryland, Baltimore
20 Penn St.
Baltimore, MD 21201

jalemkul at outerbanks.umaryland.edu | (410) 706-7441
http://mackerell.umaryland.edu/~jalemkul

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