Re: [ccp4bb] The weekly nonsense

2021-01-22 Thread Frank Von Delft
It's certainly a real problem they're writing about. Or at least, one that some people say we should be worrying about. Sent from tiny silly touch screen From: Jon Cooper <488a26d62010-dmarc-requ...@jiscmail.ac.uk> Sent: Saturday, 23

Re: [ccp4bb] The weekly nonsense

2021-01-22 Thread Jon Cooper
Take care ;- https://www.wicys.org/ Seems genuine enough group & everything to me. The referees should have spotted that one ;-0 Sent from ProtonMail mobile Original Message On 22 Jan 2021, 23:03, Bernhard Rupp wrote: > Dear CCP4 Fellows, > > for the subscribers of my

Re: [ccp4bb] The weekly nonsense

2021-01-22 Thread Paul Adams
I think this stems from Brian being way too prolific. As I understand it, he used a correlation metric in a paper about T4 lysozyme in 1975, this is what they call the Matthews Correlation Coefficient in machine learning. I suspect our machine learning colleagues are less familiar with the

Re: [ccp4bb] The weekly nonsense

2021-01-22 Thread Patrick Loll
It seems that, for inexplicable reasons, they’ve confused Karl Pearson with Brian Matthews? > On 22 Jan 2021, at 6:03 PM, Bernhard Rupp wrote: > > Dear CCP4 Fellows, > > for the subscribers of my immensely popular show “The weekly nonsense” I > recommend >

[ccp4bb] The weekly nonsense

2021-01-22 Thread Bernhard Rupp
Dear CCP4 Fellows, for the subscribers of my immensely popular show "The weekly nonsense" I recommend https://arxiv.org/pdf/2101.06308.pdf particularly reference [27] and its contextual environs. Am I alone suspecting that this is some AI generated auto-paper-mill product? Cheers,

Re: [ccp4bb] (scattering factors) f and f" for Sr Heavy atom

2021-01-22 Thread Bernhard Rupp
Btw, my numbers are calculated by the updated FPRIME code (permission of Don Cormer) including the latest Kissel & Pratt, Acta Cryst. A46, 170-175(1990) mods to the total energy (eterm) Cheers, BR -Original Message- From: CCP4 bulletin board On Behalf Of Marcin Wojdyr Sent: Friday,

Re: [ccp4bb] a postdoctoral fellow position at Dana-Farber Cancer Institute and Harvard Medical School

2021-01-22 Thread Tan, Kemin
Dear all, Prof. Reinherz lab at Dana-Farber Cancer Institute and Harvard Medical School is recruiting a postdoctoral fellow to study HIV-1 vaccine development. The successful candidate will enjoy working in a dynamic and collaborative research environment focused on structural/molecular

Re: [ccp4bb] (scattering factors) f and f" for Sr Heavy atom

2021-01-22 Thread Marcin Wojdyr
One can also use: $ gemmi fprime Sr --wavelength=1.2782 Element E[eV]Wavelength[A] f' f" Sr9699.91 1.2782 -0.637561.3067 or $ $CCP4/lib/py2/cctbx/bin/cctbx.eltbx.show_fp_fdp --wavelength=1.2782 --elements=Sr Wavelength: 1.2782 Angstrom Element: Sr Henke

Re: [ccp4bb] (scattering factors) f and f" for Sr Heavy atom

2021-01-22 Thread Mitchell D. Miller
You can also use the ccp4 legacy program crossec --- http://legacy.ccp4.ac.uk/html/crossec.html for your case -- echo -e "NWAV 1 1.2782\nATOM Sr\nEND\n" | crossec | grep SR Atom symbol and number SR 38 $TABLE:Wave length v F' and F"- SR : $GRAPHS:Lambda v F' and F" SR :A:2,3,4:

Re: [ccp4bb] (scattering factors) f and f" for Sr Heavy atom

2021-01-22 Thread Bernhard Rupp
...or you can use the old anoweb app http://www.ruppweb.org/new_comp/anomalous_scattering.htm http://www.ruppweb.org/cgi-bin/anoweb_linux?Element=Sr =1=100=K=Cu=1000=2=1=700=Submit HTH, BR From:

Re: [ccp4bb] (scattering factors) f and f" for Sr Heavy atom

2021-01-22 Thread Mark J van Raaij
here you can look them up: http://skuld.bmsc.washington.edu/scatter/AS_periodic.html (first have to calculate the energy) but I'm afraid that at that wavelength, below the edge, f' and f" are small, so not so likely to give good phase

Re: [ccp4bb] (scattering factors) f and f" for Sr Heavy atom

2021-01-22 Thread Phil Jeffrey
http://skuld.bmsc.washington.edu/scatter/AS_periodic.html http://skuld.bmsc.washington.edu/scatter/data/Sr.dat Would probably work for initial values. 9700 eV for that wavelength. https://people.mbi.ucla.edu/sumchan/crystallography/ang-eV_convertor.html Phil Jeffrey Princeton On 1/22/21 2:36

Re: [ccp4bb] (scattering factors) f and f" for Sr Heavy atom

2021-01-22 Thread Alejandro Buschiazzo
Hi check out the site http://www.bmsc.washington.edu/scatter/ set up by Ethan Merritt, it has lots of valuable info, and online tools to calculate stuff such as f'/f" for any desired element, etc HTH Alejandro El 22 ene. 2021, a la(s) 16:36, rohit kumar escribió: > Hello All, > > I have

[ccp4bb] (scattering factors) f and f" for Sr Heavy atom

2021-01-22 Thread rohit kumar
Hello All, I have data collected at Wavelength: 1.2782 (For Sr Heavy atom) with a resolution of 1.6 A. I was trying to run Crank in ccp4 for SAD phasing and It asks me to fill the values of (scattering factors) f and f" for the heavy atom. Can anyone please help with this, how to calculate or

[ccp4bb] MX and SAXS - Workbenches @ NSLS II - Center for Biomolecular Structure

2021-01-22 Thread Stojanoff, Vivian
Dear CCP4 Researchers, The Center for Biomolecular Structure (CBMS) at the National Synchrotron Light Source II (https://www.bnl.gov/ps/lifesciences/) is offering two practicals workshops on "Solution Scattering" at the LIX beam line and "Macromolecular Crystallography" at the A/FMX beam lines

Re: [ccp4bb] Open position - data management in biophysics

2021-01-22 Thread a . perrakis
Dear all, There are two separate issues at hand: 1. the hints towards heavy work load, perhaps the contradiction between independence and team work, etc, are thing you can sort out if the actual job interests you. These might be phrases that ended up there out of inexperience or due to a bad

Re: [ccp4bb] Open position - data management in biophysics

2021-01-22 Thread Jan Dohnalek
Perhaps I should have finished that sentence. I meant "If you do your work well, you will get more work” Yes, ideal: "If you trust me (director/uni/government/grant provider ...whoever gives the funds) give me space, money AND infrastructure, i.e. good admin! including, for 5 or 10 years

Re: [ccp4bb] Open position - data management in biophysics

2021-01-22 Thread Pearce, N.M. (Nick)
"If you do your work well, you will get more ..” Is a nice ideal, but I don’t think it factors in the real-life factors such as administrative burden (i.e. wasted time), mental-health effects and frankly, random chance. Does anyone enjoy applying for grants/jobs? Does it improve their

[ccp4bb] AW: [ccp4bb] Open position - data management in biophysics

2021-01-22 Thread Hughes, Jonathan
the translation is, of course, fake. jon Von: CCP4 bulletin board Im Auftrag von Jan Dohnalek Gesendet: Freitag, 22. Januar 2021 11:02 An: CCP4BB@JISCMAIL.AC.UK Betreff: Re: [ccp4bb] Open position - data management in biophysics On Fri, Jan 22, 2021 at 10:54 AM Pearce, N.M. (Nick)

Re: [ccp4bb] Open position - data management in biophysics

2021-01-22 Thread Pearce, N.M. (Nick)
Meant to write “perpetual impending unemployment”. Thanks, Nick On 22 Jan 2021, at 11:02, Jan Dohnalek wrote:  On Fri, Jan 22, 2021 at 10:54 AM Pearce, N.M. (Nick) mailto:n.m.pea...@uu.nl>> wrote: Academia, one of the only careers where _success_ is rewarded with perpetual impending

Re: [ccp4bb] Open position - data management in biophysics

2021-01-22 Thread Jan Dohnalek
On Fri, Jan 22, 2021 at 10:54 AM Pearce, N.M. (Nick) wrote: > Academia, one of the only careers where _success_ is rewarded with > perpetual impending employment every two+ years. > > Which translates "If you do your work well, you will get more .." Jan > Nick > > On 22 Jan 2021, at

Re: [ccp4bb] Open position - data management in biophysics

2021-01-22 Thread Pearce, N.M. (Nick)
Academia, one of the only careers where _success_ is rewarded with perpetual impending employment every two+ years. Nick On 22 Jan 2021, at 08:25, Eleanor Dodson <176a9d5ebad7-dmarc-requ...@jiscmail.ac.uk> wrote: It is a long time

[ccp4bb] Beamline Scientist position available@EMBL Hamburg

2021-01-22 Thread Margret Fischer
Dear colleagues, I would like to inform you that EMBL Hamburg Unit is currently advertising for a Beamline Scientist position in Small Angle Scattering. Detailed information can be obtained under the following link*: *https://s.embl.org/HH00196 /Closing date