Hi James,

check this PyMOLWiki page: http://pymolwiki.org/index.php/Fab

However, the "fab" command does not take user defined phi/psi angles, 
only 4 predefined conformations ("ss" argument). User defined phi/psi 
can be handled by these scripts:

http://pymolwiki.org/index.php/CreateSecondaryStructure
http://pldserver1.biochem.queensu.ca/~rlc/work/pymol/#model

Cheers,
   Thomas

James Starlight wrote, On 11/23/11 11:43:
> Dear PyMol Users!
> 
> I wounder to know about possible ways of creation of the peptide 
> structures via PyMol Builder module. In particular I need create a 
> linear structure of my protein ( with fixed phi and psi angles) for 
> futher folding molecular dynamics simulation of that peptide. But in 
> builder module I found only helix and sheet conformations for each aa. 
> residue. How I can specify desired values for both torsion angles ?
> 
> Also I'd like to know is there any module for pymol wich could be used 
> for obtaining linear unfolded structure for the defined sequence or 
> folded protein ( in pdb) ?
> 
> Thanks,
> 
> 
> James

-- 
Thomas Holder
MPI for Developmental Biology
Spemannstr. 35
D-72076 Tübingen

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