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ZINC Fragments subsets updated (again)

Dear ZINC Users

In the past week we have been housekeeping, resulting in better representations of the biologically relevant forms molecules and fewer errors. We have therefore released new versions of three ZINC fragment subsets as follows:

2 - "fragment like" - 374K (was 405K)
12 - "clean fragments" - 72K (was 81K)
22 - "frags now" - 335K (was 361 K)

(download here: http://zinc.docking.org/subset1/)

You will note a reduction of about 9%. These were incorrect duplicate representations of molecules. The new version is in our view much closer to correct.

New "fragment like" subsets available today

Dear ZINC Users

New versions of three ZINC subsets were released this morning:

2 - "fragment like" - 405K
12 - "clean fragments" - 81K
22 - "frags now" - 361 K

(download here: http://zinc.docking.org/subset1/)

A few points to note:

1. The number of fragments is about the same as it was, but don't be fooled: there has been tremendous turnover. At least 100,000 of these are new and about the same number are no longer available.

Sunny days for ZINC

Dear ZINC Users

It may be cloudy in cool in San Francisco today, but it is sunshine for ZINC users. The hardware upgrade last night has given us a huge performance boost. We hope you will begin to notice the difference in the days and weeks to come.

We want to publicly thank Pascal, our legendary system administrator, who suggested the hardware configuration we are using. Here's the secret: pssst. RAID10, and lots and lots of memory for your MySQL server.

-- John

Problems with DOCK Blaster following ZINC upgrade now fixed

Dear DOCK Blaster Users

As a result of the ZINC upgrade last night, and job that was submitted from midnight through about 1pm San Francisco time today Tuesday October 5, 2010 probably failed. The workaround is to please re-submit your job.

Thanks for your interest in docking.org services.

UCSF ZINC / DOCK Blaster Team

ZINC is back up

ZINC came up last night just after midnight San Francisco time. It looks fine to us, and searches seems a little faster. Let us know if you notice anything wrong.


ZINC down tonight for hardware upgrade

Dear ZINC Fans

The system will be unavailable tonight (Monday October 4th, 2010) from 6-10pm San Francisco time while we upgrade hardware. ZINC searching should be much faster afterwards.

Thanks for your patience.


Going to the ACS in Anaheim

Docking.org is going to the Spring 2011 ACS meeting in Anaheim where we hope to be able to talk to you about ZINC, DOCK Blaster, DUD, SEA, and some other new things we are working on. Time to get your abstracts in.

Fall Cleanup

Dear ZINC Users

We have updated ZINC and removed entries for molecules that we have been unable to buy. This has resulted in millions of compounds dropping out of ZINC. At the same time, we have loaded millions of new compounds this summer. All these changes will be reflected in new "by property" subsets that will start to appear in the coming days.

There is an incredible rate of turnover in the fine chemicals marketplace.

Updated subsets - end of September 2010

Dear ZINC Users

We have updated a few vendor subsets:

* ChemDiv Building Blocks
* PBMR Labs
* Life Chemicals Building Blocks
* Princeton BioMolecular Building Blocks
* Enamine Building Blocks
* ChemDiv
* CiVentiChem

These have all been updated in the last 10 days.

Dozens of other catalog updates are in progress. We will announce when they are loaded.


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