Hello Jon,

Wikipedia has plenty of information on the Debye-Waller factor:
https://en.wikipedia.org/wiki/Debye%E2%80%93Waller_factor

Best,
Tim

On Thu, 27 May 2021 12:25:06 +0000 "Hughes, Jonathan"
<jon.hug...@bot3.bio.uni-giessen.de> wrote:

> o yes! but maybe the crystal people could explain to me why the B
> factor is the variance (with units of Ų) rather than the standard
> deviation (i.e. RMS, with units of Å) when, to my simple mind, the
> latter would seem be the more appropriate description of variability
> in space? cheers jon
> 
> Von: CCP4 bulletin board <CCP4BB@JISCMAIL.AC.UK> Im Auftrag von
> Pearce, N.M. (Nick) Gesendet: Donnerstag, 27. Mai 2021 12:38
> An: CCP4BB@JISCMAIL.AC.UK
> Betreff: Re: [ccp4bb] Analysis of NMR ensembles
> 
> If you want something comparable to B-factors don’t forget to put the
> MSF in the B-factor column, not the RMSF. Will change the scaling of
> the tube radius considerably!
> 
> Nick
> 
> 
> On 27 May 2021, at 11:16, Harry Powell - CCP4BB
> <0000193323b1e616-dmarc-requ...@jiscmail.ac.uk<mailto:0000193323b1e616-dmarc-requ...@jiscmail.ac.uk>>
> wrote:
> 
> Cool…
> 
> Purely for visualisation this does look like the approved CCP4 way -
> 
> <Screen Shot 2021-05-27 at 10.13.59.png>
> 
> Harry
> 
> 
> On 27 May 2021, at 10:01, Stuart McNicholas
> <000019a0c5f649e5-dmarc-requ...@jiscmail.ac.uk<mailto:000019a0c5f649e5-dmarc-requ...@jiscmail.ac.uk>>
> wrote:
> 
> Drawing style (right menu in display table) -> Worm scaled by -> Worm
> scaled by NMR variability
> 
> in ccp4mg?
> 
> This changes the size of the worm but not the colour.
> 
> On Thu, 27 May 2021 at 09:56, Harry Powell - CCP4BB
> <0000193323b1e616-dmarc-requ...@jiscmail.ac.uk<mailto:0000193323b1e616-dmarc-requ...@jiscmail.ac.uk>>
> wrote:
> 
> 
> Anyway, thanks to all those who answered my original question -
> especially
> 
>        Tristan: Chimerax (+ his attached script)
>        Michal, Scott: Theseus (https://theobald.brandeis.edu/theseus/)
>        Bernhard: Molmol (https://pubmed.ncbi.nlm.nih.gov/8744573/ )
>        Rasmus CYRANGE (http://www.bpc.uni-frankfurt.de/cyrange.html)
> and https://www.ccpn.ac.uk/ (of course…) Andrew (uwmn - not sure if
> this is buildable on a modern box) Smita: PyMol (not sure if I’m
> allowed to say that on ccp4bb…)
> 
> or I could script it and use Gesamt or Superpose for the
> superposition if I wanted to stay in the ccp4 universe and had the
> time to spare ;-)
> 
> Harry
> 
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-- 
--
Tim Gruene
Head of the Centre for X-ray Structure Analysis
Faculty of Chemistry
University of Vienna

Phone: +43-1-4277-70202

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