Hi Mohamed,

perhaps you can copy some images from here:

http://phenix-online.org/presentations/latest/2012_afonine_ecm27-final.pdf

and also here

http://journals.iucr.org/d/issues/2010/11/00/dz5209/index.html

Or simply

- get data and model from PDB
phenix.fetch_pdb pdb_code --mtz

- compute maps
phenix.maps model.pdb data.mtz
or
phenix.maps model.pdb data.mtz
if it is neutron data set. You may want to remove H so that you can see them in residual maps:
phenix.reduce -trim model_with_h.pdb > model_no_h.pdb

- use graphical program of your choice to make a picture (I use Pymol).

Examples above use Phenix command line. All the same can be done using the GUI.

Pavel


On 4/17/15 2:58 PM, mohamed noor wrote:
Dear all

I will be presenting about protein crystallography to a group of PhD-level physicists and need some images from the community.

Would anyone have high-quality images of density maps that show hydrogen atoms at
1. high and ultra-high X-ray resolution (say, about 1.2 A to about 0.5 A)
2. low or medium X-ray resolution (where H atoms are not visible) compared with neutron data (with H). Ideally these images should be from the same protein so that I can show the power of complementary beam source for the diffraction.

A side question - what is the community's preference to get deuterated samples? Is it crystal soaking or growing E. coli in deuterium?

All contributions will be credited. Thanks.


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