Actualités en direct des projets (non traduites)

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In absence and rehab the project will be shutdown for a month to recover.

A full restart is planned after that if nothing else occured.

If you want to contact me in this time Iam still reached in discord forums.

Many thanks for understanding!

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Création : 7 mai 2024

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Aliquot sequence 2956992 has terminated!!!



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Création : 4 mai 2024

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This is a message Adrià posted in our discord channel. Since he doesn't have an account in the GPUGRID forum I open the thread for him. If you want to be more up to date to the news related to this project and others please join our discord, we are usually more active there: https://discord.gg/dCMkcafPpX

Hello GPUGRID! Here Adrià. I'll be recovering the ACEMD3 application again, and sending new jobs of standard MD simulations (We've been testing it these past weeks to make sure it worked well for both Windows and Linux) The main goal of these new batch of simulations will be to validate further our capacity to predict the binding mode of ligands using simulations and adaptive sampling methods. Those of you that have been around for some time here might already be familiar with these simulations, such as the Benzamidin-Trypsin system (https://www.pnas.org/doi/abs/10.1073/pnas.1103547108) or the Dopamine D3 receptor with an antagonist ligand (https://www.nature.com/articles/s41598-018-19345-7#Ack1), which we were able to simulate thanks to GPUGRID and all your effort! Now, we are revisiting this method, which we call in-silico binding assay (ISBA). During drug discovery campaings, it's common that you know of ligands that bind to your target, but you don't know their binding mode, the exact conformation and structure that both the ligand and the protein have when bound. Knowing the binding mode is critical for further development of the molecule into a potent and usable drug. The most precise way of discovering the binding mode is with crystallization. However, that can take too much time or be directly impossible, depending on the protein. Therefore, we want to optimize and refine ISBA for binding mode prediction, so it can be usable during drug discovery projects. To summarize a bit our objectives, we want to predict binding modes for larger molecules than Benzamidin, with the same precision, but with less simulation time that was needed for the D3 receptor system. To do so, we'll be using the latest version of adaptive sampling that we developed, AdaptiveBandit (https://pubs.acs.org/doi/abs/10.1021/acs.jctc.0c00205). The objective of these new simulations I'll be sending will be to benchmark AdaptiveBandit in an ISBA scenario, improve the algorithm if required and fine-tune its hyperparameters. Let me know if there's any issue with the simulations. I'll be sending 100ns trajectories for the most part, divided in two steps.

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Création : 2 mai 2024

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After returning from the hospital after a stroke, there has been a little progress with health. in 3 weeks a rehab is planned.

project updates so far:

- cert update
- gimps reserved results have all been reported
- server backup

still to be done...

2 results still need to be reported
RAM check as planned since 2 weeks

Thanks to everyone for all the well wishes, I wish everything would be better, maybe we'll be back at full speed in a month

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Création : 1 mai 2024

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The ARP team is preparing to restart after the project was put on pause in December 2022. This article outlines the steps that we are taking in order to restart this project.

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Création : 25 avril 2024

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On 13 April 2024, 03:42:53 UTC, PrimeGrid's Generalized Fermat Prime Search found the Mega Prime: 8630170^524288+1 The prime is 3,636,472 digits long and will enter “The Largest Known Primes Database” ranked 11th for Generalized Fermat primes and 83rd overall. The discovery was made by Antonio Lucendo (Trotador) of Spain using a dual CPU AMD EPYC 7B13 64-Core Processor @ 2.20GHz with 173GB RAM, running Ubuntu 22.04.3 LTS. This computer took about 4 hours, 45 minutes to complete the probable prime (PRP) test using Genefer22. Antonio Lucendo is a member of the XtremeSystems team. The PRP was confirmed prime on 14 April 2024 by an AMD Ryzen 9 7950X3D @ 4.2GHz, running Debian 12.5. This computer took about 26 hours, 11 minutes to complete the primality test using LLR. For more details, please see the official announcement.

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Création : 23 avril 2024