Re: [ccp4bb] Can H-clashes be ignored ?

2018-08-22 Thread Firdous Tarique
Hi I thank everybody for their nice suggestions. I am happy that my doubts are clear now. Kahkashan On Wed, Aug 22, 2018 at 5:51 AM, Ian Tickle wrote: > > Hi > > I agree with Pavel. Last time I checked the validation didn't take > account of Calpha - H ... O or N hydrogen bonds (also

[ccp4bb] Researcher and Postdoc positions Available

2018-08-22 Thread Jian Shang
Researcher Position Available: Applications are invited for a researcher position in Dr. Fang Li's lab at the Department of Veterinary and Biomedical Sciences, University of Minnesota Twin Cities. Research involves structural and biochemical studies on proteins that guide invasion and

Re: [ccp4bb] Can H-clashes be ignored ?

2018-08-22 Thread Ian Tickle
Hi I agree with Pavel. Last time I checked the validation didn't take account of Calpha - H ... O or N hydrogen bonds (also involving other polarised C atoms), even though these are well-documented. Cheers -- Ian On Wed, 22 Aug 2018 at 10:42, Pavel Afonine wrote: > Hi, > > also, it helps

Re: [ccp4bb] Can H-clashes be ignored ?

2018-08-22 Thread Pavel Afonine
Hi, also, it helps to keep in mind that some clashes may actually be valid interactions that are labeled as 'clashes' by validation software that is simply not sophisticated enough to distinguish between bad steric clashes and chemically/physically favorable valid interactions. For an example,

Re: [ccp4bb] freeR not included in mmCIF structure factors

2018-08-22 Thread Eugene Osipov
Kate, under linux environment my pdb_extract_sf from the CCP4 installation doesn’t work from command line due to the next error: Error, can not get file(data_template.cif). Please set PDB_EXTRACT environment I had created PDB_EXTRACT and pointed it to CCP4 home folder (actual sh command in