May be something that tagged along from purification or one of the impurities in the chemicals... nitrate, carbonate, etc.
Incidentally, a 3.9 M BMP file was a nasty surprise for my mail box. A JPEG or PNG file of similar quality would have taken less than 100K... Artem > > Hi all, > I wanted to ask you what would you model in the density in which I > have at the moment modelled 4 water molecules, which are however too > close to be waters, I guess (see attached image). > My crystallisation conditions contain NaCl, MgCl2, Peg400, TrisHCl, TCEP, > glycerol. > I can't think at a tricoordinated ion like that... > thanks in advance for the hints, > ciao > S > > -- > Sebastiano Pasqualato, PhD > IFOM-IEO Campus > Dipartimento di Oncologia Sperimentale > Istituto Europeo di Oncologia > via Adamello, 16 > 20139 - Milano > Italy > > tel +39 02 9437 5094 > fax +39 02 574 303 310
