Quick navigation: Home   |    Site Map   ||    References   |    Biography   ||    Copyright   |    Other copyright   |    Contact us   |    Advert   |   
 

Re: [ccp4bb] Eleven plausible phasing elements remain unused

- Protein crystallography

Main steps:

   - Protein purification
   - Crystallisation

Special:

   - Programs for crystallography
   - X-ray detectors

Basic tutorials:

   - Chemistry
   - Protein
   - Peptide
   - Amino Acids

Xtal community:

   - CCP4BB

CCP4bb navigation

CCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999
Previous message:
Subject: Re: curvature of a helix
From: Sergei Strelkov sergei {- dot -} strelkov {- at -} PHARM {- dot -} KULEUVEN {- dot -} BE
Date: 2009-04-01
Next message:
Subject: GLRF and interpreting self rotation functions...
From: Francis E Reyes Francis {- dot -} Reyes {- at -} COLORADO {- dot -} EDU
Date: 2009-04-01


Subject: Re: Eleven plausible phasing elements remain unused
From: Ethan Merritt merritt {- at -} U {- dot -} WASHINGTON {- dot -} EDU
Date: 2009-04-01

On Wednesday 01 April 2009 07:21:16 Thomas Womack wrote:
> A perusal of the PDB reveals that the game of Periodic Table bingo still
> has eleven rounds to run:
>
> scandium, titanium, germanium, zirconium, niobium, neodymium,
> dysprosium, thulium, hafnium, bismuth and thorium remain absent from PDB
> entries.

Does this imply that there is a PDB entry containing Radon?

I can't find any such entry, but then again I have never had much
luck with the search tools on www.pdb.org

Ethan

> OK, many of these are elements that would rather be refractory oxides or
> jet-engine components than hexammines, and niobium chloride clusters
> don't seem to be as water-stable as Ta6Br14, but why have neodymium,
> dysprosium and thulium so consistently been left out there in the cold
> rather than admitted to the warmish embrace of carboxyl groups? There
> must somewhere be a protein with a site that cries out for ThCl2(2+), an
> unexpectedly water-stable cation.
>
> Tom
>



--
Ethan A Merritt
Biomolecular Structure Center
University of Washington, Seattle 98195-7742

CCP4bb navigation

CCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999
Previous message:
Subject: Re: curvature of a helix
From: Sergei Strelkov sergei {- dot -} strelkov {- at -} PHARM {- dot -} KULEUVEN {- dot -} BE
Date: 2009-04-01
Next message:
Subject: GLRF and interpreting self rotation functions...
From: Francis E Reyes Francis {- dot -} Reyes {- at -} COLORADO {- dot -} EDU
Date: 2009-04-01



ProteinCrystallography.org: Copyright 2006-2010 by Quid United Ltd