Hi Peter,

you can do that with interhlx:
http://nmr.uhnres.utoronto.ca/ikura/resources/data+sw/interhlx/

There is also a way to determine the interhelical angle with molmol,
http://hugin.ethz.ch/wuthrich/software/molmol/
defining cylinders for the helices.
HTH
Guenter
Hi all

I would be interested to know about the programmes which can calculate the angle between the two helices. I want to calculate the angle between the two different helices from two different subunits of the structure. I know a non-supported programme at ccp4 called helixang. Is this programme can be helpful? Furthermore, i am not able to understand , how this program calculates the angle between the two helices of different subunits, after reading its logfile. I will appreciate suggesstions.


Thanks in advance

Peter

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