calculating average structure from many NMR ensemble structures

EP 2015-01-30

I would like to know that how to get or calculate the average structure from many NMR ensemble structures.For example,in my case, there are nearly 30 NMR ensembles, I need only one average structure from them.

I tried the fllowing option but it did not work

Scripts>>structure editing>>calculate average structure.

Please help me.

Thanks in advance