Re: [ccp4bb] Filament lifetime on Rigaku Micromax007

2007-02-28 Thread Peng Zhang
-161-275-5090/5658 > Fax: +44-161-275-1505 > email: [EMAIL PROTECTED] > Intranet:http://www.intranet.ls,manchester.ac.uk/facilities/research/xraycrystallography > Internet:http://www.ls.manchester.ac.uk/research/facilities/xray > > -- Peng Zhang, Ph.D. Student Institute of Bi

[ccp4bb] modelling with sad/mad data

2007-03-11 Thread Peng Zhang
real native one(2.7A),it seems OK with R=0.24 and Rf=0.28. Does anyone have the similar experience? what should I pay attention to when using the sad/mad data as the native one for modelling and refinement? Thanks in advance. -- Peng Zhang, Ph.D. Student Institute of Biochemistry and Cell

Re: [ccp4bb] modelling with sad/mad data

2007-03-20 Thread Peng Zhang
e Free R set from the native to the Se data? > Eleanor > > > Peng Zhang wrote: >> Dear friends, >> >> Recently, I have solved a structure using mad method. When using the >> peak >> data(2.3A) as the native for structure refinement, the gap between R >&g

Re: [ccp4bb] modelling with sad/mad data

2007-03-20 Thread Peng Zhang
a and peak data.I try to compare them because I want to make it clear that the difference may be caused by the mad data while not the model itself. Thanks. > Hi Peng Zhang, > > The presence of radiation damage might cause some problems. > Do so see any obvious features in the difference ma

Re: [ccp4bb] modelling with sad/mad data

2007-03-21 Thread Peng Zhang
data sets - then run uniqueify -f FreeRflag merged.mtz > > That will keep the existing flags and generate new ones for the new > reflections.. > > Then if you want to you can convert back to the CNS format. > Eleanor > > > Peng Zhang wrote: >> Hi, Peter, >> >

Re: [ccp4bb] modelling with sad/mad data

2007-03-21 Thread Peng Zhang
data sets - then run uniqueify -f FreeRflag merged.mtz > > That will keep the existing flags and generate new ones for the new > reflections.. > > Then if you want to you can convert back to the CNS format. > Eleanor > > > Peng Zhang wrote: >> Hi, Peter, >> >

[ccp4bb] Torsion of acetyl coenzyme a

2007-04-25 Thread Peng Zhang
OAQ OAR OAS OAQ torsion T022 0 O4* C1* N9 C4 C8 N7 C5 C4 N3 C2 \ N1 C6 N6 -- Peng Zhang, Ph.D. Student Institute of Biochemistry and Cell Biology Shanghai Institutes for Biological Sciences Chinese Academy of Sciences 320 Yue-Yang Road Shanghai