> I want to align the 
> first 100 residues (resi 1-100) to the last 100 (51-150) ... 
> and try to run the following commands:

> load structure.pdb
> create s1, resi 1-100 and structure
> create s2, resi 51-150 and structure
> align s1, s2
> resi 1-50 of s1 TO resi 51-100 of s2
> resi 51-100 of s1 TO resi 101 to 150 of s2

align s1//1-100//CA, s2//51-150//CA

However, that is an adaptive fit that will match the sequence using DP,
superimpose, and then toss outliers.

In constrast, 

pair_fit s1//1-100//CA, s2//51-150//CA

is a straight pairwise RMS fit, with the only catch being that all
residues in the indicated ranges must exist.

Cheers,
Warren

--
Warren L. DeLano, Ph.D.                     
Principal Scientist

. DeLano Scientific LLC  
. 400 Oyster Point Blvd., Suite 213           
. South San Francisco, CA 94080 USA   
. Biz:(650)-872-0942  Tech:(650)-872-0834     
. Fax:(650)-872-0273  Cell:(650)-346-1154
. mailto:war...@delsci.com      
 

> -----Original Message-----
> From: pymol-users-ad...@lists.sourceforge.net 
> [mailto:pymol-users-ad...@lists.sourceforge.net] On Behalf Of 
> Douglas Kojetin
> Sent: Thursday, March 02, 2006 8:14 AM
> To: Pymol
> Subject: [PyMOL] alignment in pymol
> 
> Hi All-
> 
> If I have a protein with 150 residues (three 50 residue 
> repeats; 1-50, 51-100, 101-150), and I want to align the 
> first 100 residues (resi 1-100) to the last 100 (51-150) ... 
> and try to run the following commands:
> 
> load structure.pdb
> create s1, resi 1-100 and structure
> create s2, resi 51-150 and structure
> align s1, s2
> 
> PyMOL aligns residues 50-100 of s1 to residues 50-100 of s2 
> (the region in common between s1 and s2).  What I want to 
> happen is for PyMOL to align the entire structure of s1 
> (1-100) to s2 (50-150), so that essentially the following 
> sequences are aligned simultaneously:
> 
> resi 1-50 of s1 TO resi 51-100 of s2
> resi 51-100 of s1 TO resi 101 to 150 of s2
> 
> Does anyone know how I can do this?
> 
> Thanks,
> Doug
> 
> 
> 
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