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I did the same search as above (Patrick).

I am confused how with SHELX you can get 320 (when using SOFTWARE) and then when using TEXT only 130.

I get the same no's.

If the word SHELX exists as follows
SOFTWARE USED: SHELX

the same "word" (SHELX) will be picked up when we do a text search as well (Its there in the remarks section under software !) But obviously NOT !

I can understand is "text search" gave a higher no but in this case "software" gives more entries.

I can also understand if one PDB id is retuned for multiple searches but one keyword search (software or text) the same no must be returned.

I am a bit confused in the big disparity in no's 130/320

In both cases WITHOUT software/text word for SHELX I get 552 1.0A X-ray structures of protein only.


On Sun, Jan 25, 2015 at 5:57 AM, Kay Diederichs <[log in to unmask]> wrote:
Two additions:
a) SHELXL accounts for 16 X-Ray depositions in 2014; 2 of them also use Phenix.
b) one can select "Does NOT Contain:" instead of "Contains:". Excluding, in this manner, SHELXL, Phenix, Refmac, Buster and CNS, one gets  12 entries. These employ mostly CNX, but also coot (!), X-PLOR, PRIMEX (?), and one more REFMAC (4OM5) which for some reason does not show up in the earlier Refmac search.
This shows that the results must be taken with some caution.

Kay