I'm pretty sure that this is exactly what you want. You can search for
sequence, specific type of motif, phi/psi angles all in one search.
http://www.ebi.ac.uk/msd-srv/msdmotif/
The interface has changed since I last used it properly, but it found a
set of beta turns with the same sequence tha
Dear Sean --
Is there a way to search the PDB for both sequence and secondary
structure characteristics? I am trying to identify examples of a
short (4 aa) sequence located in loop or other non-helical/sheet
regions.
you can try the PRINTS database:
http://www.bioinf.manchester.ac.uk/db
