[ccp4bb] superimposing Mtz maps

Hi, I have two maps from two different crystals with the same space group, both show an unknown density in the same place. I wanted to superimpose the maps to see if it is the same/similar density. Any ideas how to do this ? Thank you, Regards Rana

Re: [ccp4bb] superimposing Mtz maps

COOT can help you. If you have coordinates in both crystals COt can superpose the coordinates ( LSQ superpose) and carry the density with the coordinates. see under COOT extensions maps Transform maps by LSQ model fit Eleanor Rana Refaey wrote:

Re: [ccp4bb] superimposing Mtz maps

Hi Rana, You could use cphasematch to put the two maps on the same origin. To do this you will need to CAD the two data sets together then give cphasematch the phase columns to use. Typing cphasematch on the command-line should tell you how to do this. It's a tool from the clipper library, so

Re: [ccp4bb] superimposing Mtz maps

This sounds a little like multi-crystal averaging without the averaging. If you were using the Uppsala program suite, you could perhaps do the following: [define one xtal as reference, the other as target] 1. Make mask in map grid for reference xtal (program MAMA) 2. Establish operator for

Re: [ccp4bb] superimposing Mtz maps

Rana Refaey wrote: Hi, I have two maps from two different crystals with the same space group, both show an unknown density in the same place. I wanted to superimpose the maps to see if it is the same/similar density. Any ideas how to do this ? Thank you, Regards Rana Hi, you might