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</o:shapelayout></xml><![endif]--></head><body lang=FR link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Dear Mr/Mrs,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am new to ChimeraX (v 0.7) and I have a trouble when saving a map.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am working with a .ccp4 map from an electron microscopy project. I would like to slightly change the pixel size that was inaccurately estimated during data processing and chimeraX seems to be the program for doing that. <o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Opening the map is fine.<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Then I change the pixel voxelsize which is also fine.<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>I then save the modified map (I use the .mrc format here given that I do not find a .ccp4 format).<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>However if I then use the map with my usual softwares (phenix, coot) it looks like pure noise. But the map looks normal with some other softwares (e.g. pymol). I also have no problem usually with my .mrc maps with any software so I would assume the problem is with the .mrc map I created<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Do you know what I could do to solve this problem ?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks, <o:p></o:p></p><p class=MsoNormal>Stephane Roche<o:p></o:p></p><p class=MsoNormal>Institut de Biologie Intégrative de la Cellule<o:p></o:p></p><p class=MsoNormal>91198 Gif sur Yvette<o:p></o:p></p><p class=MsoNormal>France<o:p></o:p></p></div></body></html>