After looking through our old versions of amber, it looks like you may need
to use ambertools 15 or later to get series output from nativecontacts.
On Fri, Jul 27, 2018 at 7:16 AM, PAQUET Amaury <Amaury.PAQUET.cea.fr> wrote:
> Dears Amber users,
> I would ask for your help for using CPPTRAJ contacts and nativecontacts
> for a specific purpose. I am using CPPTRAJ V14.25
>
> I am currently using the "contacts" command with the "byresidue" option in
> order to obtain an output file where each residue is in one column and each
> line corresponds to one step. So I can have, for each residue, its number
> of contact for each step and then calculate its average number of contact
> on the entire trajectory. Then doing it for all the residue allow me to
> calculate, for the entire trajectory, the percentage of residue with 0, 1,
> 2 etc.. contacts.
> The command line that I use is :
> contacts byresidue out filename distance 8.0 @%OS (OS is the atom type of
> interest in the residue)
>
> But now I would like to do the same thing but between two different atom
> types (OS and OH). I tried to use for that the command "nativecontacts"
> for its possibility to calculate contacts between two masks. I tried to use
> this command line :
> nativecontacts @%OS @%OH distance 8.0 contact.out byresidue map mapout
> map.out
>
> The contact.out file contains only for each step the number of native and
> non-native contacts and the map.out file contains the normalized number of
> contact between each residue and I'm not interested in these data. Is there
> a possibility to obtain an output file like with the "contact" command with
> residues in column and the line corresponding with the number of contact
> for each step?
> I also tried to do that with the "contacts" command and the two atom types
> in the mask :
> contacts byresidue out filename distance 8.0 @%OS,OH
> but I just obtained the contacts between OS-OS atom types and between
> OH-OH and not the one I'm looking for which is between OS-OH atom types
>
> I hope my request and english are clear and comprehensible.
> Thank you for your help
>
>
> Amaury Paquet
> Doctorant 3ème année/3rd year PhD student
> CEA Marcoule
> DMRC/SPDS/LILA
> Bat 181
> France
> amaury.paquet.cea.fr<mailto:amaury.paquet.cea.fr>
> 00 33 4 66 79 55 17
>
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Received on Fri Jul 27 2018 - 09:00:03 PDT
