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Large‐scale molecular dynamics simulations of HLA‐A\*0201 complexed with a tumor‐specific antigenic peptide: Can the α3 and β~2~m domains be neglected? by Shunzhou Wan; Peter Coveney; Darren R. Flower is a Chemistry article available to read on EtoBox.

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## Abstract Large‐scale massively parallel molecular dynamics (MD) simulations of the human class I major histocompatibility complex (MHC) protein HLA‐A\*0201 bound to a decameric tumor‐specific antigenic peptide GVYDGREHTV were performed using a scalable MD code on high‐performance computing platforms. Such computational capabilities put us in reach of simulations of various scales and complexities. The supercomputing resources available for this study allow us to compare directly differences in the behavior of very large molecular models; in this case, the entire extracellular portion of the peptide–MHC complex vs. the isolated peptide binding domain. Comparison of the results from the partial and the whole system simulations indicates that the peptide is less tightly bound in the partial system than in the whole system. From a detailed study of conformations, solvent‐accessible surface area, the nature of the water network structure, and the binding energies, we conclude that, when considering the conformation of the α1–α2 domain, the α3 and β~2~m domains cannot be neglected. © 2004 Wiley Periodicals, Inc. J Comput Chem 25: 1803–1813, 2004

Who reads Large‐scale molecular dynamics simulations of HLA‐A\*0201 complexed with a tumor‐specific antigenic peptide: Can the α3 and β~2~m domains be neglected??

Author

Shunzhou Wan; Peter Coveney; Darren R. Flower

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0192-8651)

Published

2004

Language

EN

Field

Chemistry (Physical Sciences)