There is a new CCP4 program NCONT where you can specify atom radius and what is in contact with what.. For close contacts set all atom radi 1A say, and search from ligand to protein..

Eleanor

It is in the latest GUI under structure analysis.. Analysis molecular contacts.

ursula schulze-gahmen wrote:

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I am analysing intermolecular interactions between a protein and its ligand. I used the ccp4 program CONTACT so far. I would also like to look at the possibility that there might be unfavorably close contacts. Is there a program that can do this analysis and identify unfavorable contacts, or do I just need to look at all the interactions and figure out if some of them are too close.

Ursula


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