Bearpaw
Global Soloist Rank: #1314
Global Soloist Score: 0

Profile

Name: Bearpaw
Location: Tropical Islands
Started Folding: 05/10/08
About me:

Retired mathematician-theoretical physicist living on a tropical island---Foldit is a nice hobby when staying out of the sun.

The maximization techniques used for foldit are basically locallized gradient searches in a constrained path-space---each perturbation of the protein leads to a valuation of a "directional derivative"----the real problem is that the constrained path-space has infinite dimension and if the local extrema are isolated and "far" from eachother it can be very frustrating to try to improve the score by minor perturbations.

Just think of being on a mountain-top---blindfolded with a long extendible cane. You want to go "Up-hill"---you reach out with the cane horizontally and if you touch something you move in that direction---else just try another direction. If the cane is too short then you have to extend it(i.e. by using larger perturbations).

Good Folding to All!

Group: Team Canada

Ranks

CategorySolo RankEvo Rank
335-

Soloist Puzzle Scores

PuzzleRankBest ScorePointsLast Played
656: 40 Residue Symmetric Trimer Retry19410,081111/23/12
655: Blind Electron Density 21905,048111/23/12
654: Server models for R00252419,336111/23/12
653: CASP ROLL Target R00251869,040511/23/12
Beginner Puzzle: Turkey Egg Lysozyme4168,372111/23/12

Contests

ContestRankScoreLast Played
A Freestyle Design 40 Open to all36/578,94008/15/12
A Freestyle Design 20 Open to all133/2138,43911/25/11
A HIV Protease open to all 149/3949,25408/15/12
A GTPase Ras Open To All34/11110,24508/04/12

Achievements

Baby Steps
Complete ten moves
 
Step Routine
Complete one hundred moves
 
Moving Up
Complete one thousand moves
 
Professional Mover
Complete ten thousand moves
 
Sidechains
Finish all of the 'Sidechains' intro puzzles
 
Backbone Packing
Finish all of the 'Backbone Packing' intro puzzles
 
Hydrogen Bonding
Finish all of the 'Hydrogen Bonding' intro puzzles
 
Hydrophobics and Hydrophilics
Finish all of the 'Hydrophobics and Hydrophilics' intro puzzles
 
Tools and Types
Finish all of the 'Tools and Types' intro puzzles
 
Sequences
Finish all of the 'Sequences' intro puzzles
 
Protein Design
Finish all of the 'Protein Design' intro puzzles
 
More Molecules
Finish all of the 'More Molecules' intro puzzles
 


Get Started: Download
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Windows
(7/8/10)
OSX
(10.7 or later)
Linux
(64-bit)

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Developed by: UW Center for Game Science, UW Institute for Protein Design, Northeastern University, Vanderbilt University Meiler Lab, UC Davis
Supported by: DARPA, NSF, NIH, HHMI, Amazon, Microsoft, Adobe, RosettaCommons