[Molvis-list] no chain designation

Roberts, Rebecca rroberts at ursinus.edu
Tue Nov 16 11:47:50 EST 2004

Yes, I did try selecting atom numbers and it did work.  Thanks.  Rebecca

Rebecca Roberts, Ph.D.
Assistant Professor, Department of Biology
Coordinator, Biochemistry and Molecular Biology 
Ursinus College
Collegeville PA 19426
phone: 610-409-3000 ext. 2665
fax: 610-409-3633

-----Original Message-----
From: Miguel [mailto:miguel at jmol.org] 
Sent: Monday, November 15, 2004 4:44 PM
To: molvis-list at bioinformatics.org
Subject: Re: [Molvis-list] no chain designation

Rebecca wrote:

> I've got a molecule that has a propeptide but there are no chain 
> designations in the file to distinguish this part of the molecule from 
> the rest. So, when selecting a region (I'm trying to select only the 
> first 62 amino acids that consistitute the propiece) PE selects the 
> first 62 and also the next 62 (because the residue numbering system 
> begins again from '1' at the '63rd' amino acid). Any ideas on how to 
> get around this when no chain designations are provided?

I don't know what a propeptide is but ...

you could try:

  select amino & 1-62


you could try selecting by atom numbers instead of by residue numbers:

  select atomno >= 1 & atomno < 999 # or whatever your atom numbers are


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