Yes:
 There are details in the coot manual

1) Get a dictionary for your ligand from PRODRG or somewhere. - you have obviously done this..

2) CHECK IT IS CORRECT!!! Right chirality, planar groups, etc..

3) Import dictionary into coot, and a set of coordinates.

4) Import 2mFo-Dfc and mFo-Dfc maps ( auto mtz from REFMAC will do this)

5) Hit find ligand.

6) Real space refine it - you might need to do some brutal gradding and shoving of bits..
Eleanor

George Kontopidis wrote:
You need protein structure, a different e. density map (1Fo-1Fc) and your
ligand structure. Then from COOT menu select Other Modelling Tools and click
Find Ligand. You can also  move manually the ligand into the density map.

George
-----Original Message-----
From: CCP4 bulletin board [mailto:[EMAIL PROTECTED] On Behalf Of Anshul
Awasthi
Sent: Tuesday, September 30, 2008 10:57 AM
To: [email protected]
Subject: [ccp4bb] Putting ligand in the protein structure

Hi all the crystallographers,

I am trying to solve a structure of a protein with some inhibitor. I want to
know how I can put in my inhibitor in the density map of the data i got. I
can see some density in the active site where the  inhibitor should be. I
generated the topoly file of the inhibitor (in both pdba nd refmac5 top
formats) from the Dundee PRODRG server. Now do i need to incorporate the
structure of the inhibitor in ccp4 or can i do in coot?? I am not sure of
how to do it.
ANy sugegstion will be very valuable for me.

No virus found in this incoming message.
Checked by AVG - http://www.avg.com Version: 8.0.173 / Virus Database: 270.7.5/1697 - Release Date: 29/9/2008
7:25 ìì



Reply via email to