On 08/08/12 21:39, Shya Biswas wrote:
> Hi all,
>
> I was trying to get maps using the *fetch PDB and Map using EDS
> option* in coot, however the map would not open I am using coot
> version 0.6.2 was wondering if anybody else had similar problems and
> how to fix this, the following is the error message I get. It used to
> work fine with a previous version of coot.
If you have 0.7-pre
Extensions -> Get from PDBe (I like to keep my refmac pretty up to date).
On 08/08/12 22:28, Dale Tronrud wrote:
> It appears that the Electron Density Server could not calculate a map
> for 3TVN.
The EDS doesn't speak to me at all. Maybe I am asking in the wrong
places...
> These cryptic messages are what you get from Coot when there
> is no map on the server.
... no mtz file on the server (which probably amounts to the same thing).
> I can see from the RCSB web page that there is
> no EDS link in the "Experimental Details" section, which also happens
> when the EDS comes up empty.
>
> When the EDS fails to calculate a reasonable map for an entry they do
> not tell us why.
Coot downloads the web page too and parses it for message referring to
the non-existence of a reliable map. It lets you know if it finds such a
thing.
> If they knew what the problem was they would fix it
> themselves. They remain silent hoping that the authors of the entry
> will contact them and give them some help. It is absolutely amazing that
> they can calculate as many maps as they do.
wwPDBs are better at making parsable/convertible data these days (in my
experience).
Paul.
|