PROJECT #14311 RESEARCH FOR MICROORGANISM
FOLDING PERFORMANCE PROFILE
PROJECT SUMMARY
Halorubrum lacusprofundi is a microorganism found in the extremely cold and hypersaline Deep Lake, Antarctica.
This microorganism has a polyextremophilic β-galactosidase that works to break down carbohydrates.
Recent work from the DasSarma group identified six key amino acid residues in β-galactosidase which, when mutated with amino acids conserved in homologs from mesophilic haloarchaea, induced significant changes to the catalytic efficiency of the enzyme and its temperature dependence (1).
We are running molecular simulations of β-galactosidase and its mutated variants to explore how these subtle sequence changes affect the behavior of this enzyme at various temperatures.
We will analyze the trajectory data to formulate explanations for the mechanisms that cause differences in catalytic efficiencies.
In the future, a better understanding of how evolved mutations help optimize enzyme efficiency may lead to improved methods for computational enzyme design. References
- Laye, V.
J., Karan, R., Kim, J.-M., Pecher, W.
T., DasSarma, P., & DasSarma, S.
(2017).
Key amino acid residues conferring enhanced enzyme activity at cold temperatures in an Antarctic polyextremophilic β-galactosidase.
Proceedings of the National Academy of Sciences of the United States of America, 114(47), 12530–12535.
PROJECT INFO
Manager(s): Prof. Vincent Voelz
Institution: Temple University
PROJECT WORK UNIT SUMMARY
Atoms: 127,200
Core: GRO_A7
Status: Public
PROJECT FOLDING PPD AVERAGES BY GPU
PPDDB data as of Friday, 27 May 2022 05:13:33
Rank Project |
Model Name Folding@Home Identifier |
Make Brand |
GPU Model |
PPD Average |
Points WU Average |
WUs Day Average |
WU Time Average |
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PROJECT FOLDING PPD AVERAGES BY CPU BETA
PPDDB data as of Friday, 27 May 2022 05:13:33
Rank Project |
CPU Model |
Logical Processors (LP) |
PPD-PLP AVG PPD per 1 LP |
ALL LP-PPD (Estimated) |
Make |
---|---|---|---|---|---|
1 | RYZEN 9 3950X 16-CORE | 32 | 29,526 | 944,832 | AMD |
2 | RYZEN 9 5950X 16-CORE | 32 | 12,797 | 409,504 | AMD |
3 | XEON CPU E5-2690 V4 @ 2.60GHZ | 28 | 5,720 | 160,160 | Intel |
4 | RYZEN 5 3600 6-CORE | 12 | 10,284 | 123,408 | AMD |
5 | RYZEN 5 5600X 6-CORE | 12 | 9,479 | 113,748 | AMD |
6 | RYZEN 5 2600X SIX-CORE | 12 | 9,251 | 111,012 | AMD |
7 | RYZEN 3 3200G | 4 | 11,681 | 46,724 | AMD |
8 | CORE I5-7600 CPU @ 3.50GHZ | 4 | 10,881 | 43,524 | Intel |
9 | CORE I7-7700 CPU @ 3.60GHZ | 8 | 5,119 | 40,952 | Intel |
10 | CORE I5-7400 CPU @ 3.00GHZ | 4 | 9,633 | 38,532 | Intel |
11 | CORE I5-6600K CPU @ 3.50GHZ | 4 | 7,187 | 28,748 | Intel |
12 | CORE I5-4590 CPU @ 3.30GHZ | 4 | 6,982 | 27,928 | Intel |
13 | XEON CPU @ 2.30GHZ | 1 | 1,191 | 1,191 | Intel |
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