[Chimera-users] rigid body rotation of subunit

Tom Goddard goddard at sonic.net
Fri May 13 13:08:35 PDT 2011

Hi Dhiraj,

   You can measure domain rotation using the MatchMaker tool to make the 
needed alignments, and the "measure rotation" command.  Here's a video 
showing the procedure for HIV capsid protein.



> Hi
>    I have the structure of two homologous protein. These proteins are 
> dimeric. when I am superimposing chain A of one protein on to the 
> chain A of other, it looks like chain B of one protein is related to 
> chain B of other protein by rigid body rotation. How can I calculate 
> the angle of rotation in chimera? Is there any way, I can draw a 
> vector along beta sheet?
> Thank you.
> Dhiraj

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