VMD-L Mailing List

From: Ocar Campos (ocarnorsk138_at_gmail.com)
Date: Thu Mar 26 2009 - 15:21:28 CDT

Hi:

      Worked fine, thank you!

O'car Campos C.
Bioinformatics Engineering Student.
Universidad de Talca.

2009/3/26 Giovanni Bellesia <gbellesia_at_chem.ucsb.edu>

> try
>
> set n [[atomselect top "name CA and resname HSD"] num]
>
> -g
>
>
> Hello:
>> I'm a newcomer to VMD and I have to do some things with the tk
>> console, one of this is to count the number of some aminoacids in a protein,
>> for example I have to count the number of histidines I have, for this I
>> found I could use the following command:
>>
>> set n [[atomselect top "resname HSD"] num]
>>
>> But I realized this counts the number of atoms that are related to
>> the Histidine, Is there a way to count the number of histidines, but not the
>> atoms related to histidines?
>> In my protein that command gives back a 68, and it should be a 4.
>>
>> Cheers.
>>
>> O'car Campos C.
>> Bioinformatics Engineering Student.
>> Universidad de Talca.
>>
>
>
>