puzzle picture
1538: Aflatoxin Challenge: Round 9
Status: Closed

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1Contenders14,045100
2Go Science14,01277
3Hun-Magyar Csapat13,88858
4Beta Folders13,88343
5Void Crushers13,84431
6L'Alliance Francophone13,83822
7Anthropic Dreams13,81315
8Gargleblasters13,70211
9Marvin's bunch13,2457
10FoldIt@Netherlands13,2435
11Trinity Biology13,2333
12Russian team13,2172
13freefolder13,2001
14MU CLA BMB 465 Summer 201813,1741
15Team Schleswig-Holstein13,0681
16E?????! Heureka!12,9461
17Team South Africa12,8901
18Team China11,6721
19Italiani Al Lavoro10,1641
20UNTHSC_6201_20188,9451


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Comments

LociOiling's picture
User offline. Last seen 10 hours 55 min ago. Offline
Joined: 12/27/2012
Groups: Beta Folders
New aflatoxin variant...

The aflatoxin in this round is a little different. The new version doesn't have a calcium, so it's one atom smaller. Also, the atom numbers have changed.

Previously, the oxygen at what is now atom 6 (formerly atom 23) was bonded to calcium. The calcium is no longer present. The heavy atoms are 1 to 24, and 25 to 37 are hydrogen.

Puzzle 1538 aflatoxin: The calcium atom seen in previous rounds is gone.Puzzle 1538 aflatoxin: The calcium atom seen in previous rounds is gone.



See the puzzle 1440 comments for the old structure.

Thanks to SuperNova185 for spotting the change.

The view seen here is Stick + H with EnzDes coloring. Atom Explorer v1.0 was used to enumerate the atoms. The configuration file 0002005425.ir_puzzle.params is in plaintext, and has ATOM records that identify the atoms in order.

LociOiling's picture
User offline. Last seen 10 hours 55 min ago. Offline
Joined: 12/27/2012
Groups: Beta Folders
The protein part...

As the comments mention, the protein has been trimmed way down. There are now several long straight "struts" that connect the different parts. The struts are just a few segments long, and have huge negative scores, mostly based on ideality. For example, segments 13 and 14 each are scoring around -750,000. Scoring has been adjusted to compensate.

Puzzle 1538 protein with "struts"Puzzle 1538 protein with "struts"

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Developed by: UW Center for Game Science, UW Institute for Protein Design, Northeastern University, Vanderbilt University Meiler Lab, UC Davis
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