Re: [ccp4bb] Questions about diffraction

2007-08-25 Thread Andrzej Olczak
> Something for you to chew on: how is it that the electrons of the protein, > which are presumably not in phase with each other nor in exactly the same > place in their orbitals from unit cell to unit cell (maybe they are?) when > they scatter the photons, they result in interference? What are the

Re: [ccp4bb] Off Topic:crystallization in the presence of glycerol

2007-08-25 Thread Patrick Shaw Stewart
Rob, A couple of years ago my colleague and I "mined" the crystallization data in REMARK 280 from 3939 entries in the PDB. In 109 entries, glycerol came out as the ingredient with the highest concentration that was measured with a % (percent) sign i.e. including '%', '%W/V', '%V/V' etc. The aver