| Quick navigation: | Home | Site Map || References | Biography || Copyright | Other copyright | Contact us | | |
|
Re: [ccp4bb] Strange SFALL error |
|
CCP4bb navigationCCP4bb <-- 2008 <-- February 2008 <-- 14 February 2008Subject: Re: Strange SFALL error From: Eleanor Dodson ccp4 {- at -} YSBL {- dot -} YORK {- dot -} AC {- dot -} UK Date: 2008-02-14 - SFALL only supports a limited set of spacegroups.. Eleanor Dirk Kostrewa wrote: > Dear CCP4ers, > > I've created an artificial map in C2 with MAPMAN and made sure that > the axis order and sampling is consistent with SFALL, which I want to > use for calculating structure factors from this map. However, SFALL > (MODE SFCALC MAPIN) fails with the rather obscure error message: > "SFALL: *** You are unable to refine this Spacegroup!! ***" I've > never encountered this error message before - what does this mean and > how can I convince SFALL to do the Fourier transformation? > The articifial map was made by placing single atoms in a C2 cell > including all symmetry equivalent atoms, creating a mask around these > atoms with MAMA and setting space group and axis order in MAPMAN (axis > order ZXY). I used MAPMASK to limit this map to X=0,1, Y=0,0.5, Z=0,1 > as required by SFALL. > > Best regards, > > Dirk. > > ******************************************************* > Dirk Kostrewa > Gene Center, A 5.07 > Ludwig-Maximilians-University > Feodor-Lynen-Str. 25 > 81377 Munich > Germany > Phone: +49-89-2180-76845 > Fax: +49-89-2180-76999 > E-mail: kostrewa@lmb.uni-muenchen.de > ******************************************************* > > > CCP4bb navigationCCP4bb <-- 2008 <-- February 2008 <-- 14 February 2008 |
| ProteinCrystallography.org: Copyright 2006-2007 by Quid United Ltd |