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MassCCS: A high performance collision cross sections software for macro- molecules


Dez 6, 2022
Samuel Cajahuaringa
In this work, we present MassCCS, a parallelized open-source code for computing Collision Cross-Section of molecules ranging from small organic compounds to massive protein assemblies at the trajectory method level of description using atomic and molecular buffer gas particles. The performance of the code is comparable to other available software for small molecules and proteins but is significantly faster for larger macromolecular assemblies. We performed extensive tests regarding accuracy, performance, and scalability with system size and number of CPU cores. MassCCS has proven highly accurate and efficient, with execution times under a few minutes, even for large (84.87 MDa) virus capsid assemblies with very modest computational resources.

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