Hi all, I ran into that several times in the monoclinic space groups. ARP/wARP does not seem to like the C121 notation, yet likes the C2 notation. Same for P121 vs. P2. Re-assigning the SG eg. in CAD using the correct notation or the SG number is an easy remedy.
Cheers Jan On Tue, Dec 1, 2009 at 8:57 AM, Eleanor Dodson <c...@ysbl.york.ac.uk> wrote: > One easy suggestion - try buccaneer and refinement! > Eleanor > The Arp/warp people will have to fix this.. > > > > Anita Lewit-Bentley wrote: > >> Dear all, >> >> I have a nice MAD map produced by Sharp and would like to trace a chain >> into it using Arp/wArp. When I input the mtz file via the CCP4i interface, I >> get the following message: >> >> "Cannot extract ARP/wARP asymmetric unit limits >> The job will fail if run" >> >> Well it DOES fail when run! >> >> My space group is C2 (given as C121 in the mtz file header), the mtz file >> is a standard structure factor file generated by CAD (adding Sharp phases to >> native data which are at a higher resolutino than the MAD data) and I just >> don't see what is going wrong. >> >> I am using CCP4 6.1.2 and Arp 7.0.1, with the CCP4Interface version 2.0.5 >> running on Mac OSX version 10.5.8. >> >> Any advice will be extremely welcome! >> >> Anita >> >> >> >> Anita Lewit-Bentley >> Unité d'Immunologie Structurale >> CNRS URA 2185 >> Département de Biologie Structurale & Chimie >> Institut Pasteur >> 25 rue du Dr. Roux >> 75724 Paris cedex 15 >> FRANCE >> >> Tel: 33- (0)1 45 68 88 95 >> FAX: 33-(0)1 40 61 30 74 >> email: ale...@pasteur.fr >> >> >> -- -- Jan Abendroth Emerald Biostructures Seattle / Bainbridge Island, WA, USA http://www.emeraldbiostructures.com work: JAbendroth_at_decode.com home: Jan.Abendroth_at_gmail.com