Hi Xiao, you can also download from pdb_redo http://www.cmbi.ru.nl/pdb_redo/ if a rerefined, updated and optimized X-ray structure model is also ok for you. Depends what your intentions are.

Best regards, Georg.

On 06/09/2015 11:02 PM, Pavel Afonine wrote:
Hi Xiao,

just calculate it yourself. All you need to do this are model and reflection data files (and, desirably, free-r flags). For example, in Phenix this is
phenix.maps model.pdb data.xxx
where xxx can be .sca, .cif, .cns, .hkl or .mtz or any mixture.

Pavel


On Tue, Jun 9, 2015 at 11:11 PM, Xiao Lei <xiaolei...@gmail.com <mailto:xiaolei...@gmail.com>> wrote:

    Hi All,

    I am trying to get electron density map of some pdb structures, I
    know there is a database called "Electron density server" (EDS
    http://eds.bmc.uu.se/eds). But somehow these days I can not
    connect to the website and I keep getting the "This webpage is not
    available" message in my browser (Internet connection is ok).  I
    also tried to go to PDB databank, search a structure and click
    "EDS" link, but this did not connect to the server neither.

    Are there other ways to get electron density maps?

    Thanks.


    Xiao


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