TY - GEN
T1 - A molecular dynamic modeling of hemoglobin-hemoglobin interactions
AU - Wu, Tao
AU - Yang, Ye
AU - Sheldon Wang, X.
AU - Cohen, Barry
AU - Ge, Hongya
N1 - Copyright:
Copyright 2010 Elsevier B.V., All rights reserved.
PY - 2010
Y1 - 2010
N2 - In this paper, we present a study of hemoglobin-hemoglobin interaction with model reduction methods. We begin with a simple spring-mass system with given parameters (mass and stiffness). With this known system, we compare the mode superposition method with Singular Value Decomposition (SVD) based Principal Component Analysis (PCA). Through PCA we are able to recover the principal direction of this system, namely the model direction. This model direction will be matched with the eigenvector derived from mode superposition analysis. The same technique will be implemented in a much more complicated hemoglobin-hemoglobin molecule interaction model, in which thousands of atoms in hemoglobin molecules are coupled with tens of thousands of T3 water molecule models. In this model, complex inter-atomic and inter-molecular potentials are replaced by nonlinear springs. We employ the same method to get the most significant modes and their frequencies of this complex dynamical system. More complex physical phenomena can then be further studied by these coarse grained models.
AB - In this paper, we present a study of hemoglobin-hemoglobin interaction with model reduction methods. We begin with a simple spring-mass system with given parameters (mass and stiffness). With this known system, we compare the mode superposition method with Singular Value Decomposition (SVD) based Principal Component Analysis (PCA). Through PCA we are able to recover the principal direction of this system, namely the model direction. This model direction will be matched with the eigenvector derived from mode superposition analysis. The same technique will be implemented in a much more complicated hemoglobin-hemoglobin molecule interaction model, in which thousands of atoms in hemoglobin molecules are coupled with tens of thousands of T3 water molecule models. In this model, complex inter-atomic and inter-molecular potentials are replaced by nonlinear springs. We employ the same method to get the most significant modes and their frequencies of this complex dynamical system. More complex physical phenomena can then be further studied by these coarse grained models.
KW - Molecular Dynamic Simulation
KW - Principal Component Analysis
KW - Protein Interaction
KW - Singular Value Decomposition
KW - coarse grained model
UR - http://www.scopus.com/inward/record.url?scp=77955747695&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=77955747695&partnerID=8YFLogxK
U2 - 10.1063/1.3452299
DO - 10.1063/1.3452299
M3 - Conference contribution
AN - SCOPUS:77955747695
SN - 9780735407787
T3 - AIP Conference Proceedings
SP - 89
EP - 94
BT - ISCM II and EPMESC XII - Proc. of the 2nd Int. Symposium on Computational Mechanics and the 12th Int. Conf. on the Enhancement and Promotion of Computational Methods in Engineering and Science
T2 - 2nd International Symposium on Computational Mechanics, ISCM II, and the 12th International Conference on the Enhancement and Promotion of Computational Methods in Engineering and Science, EPMESC XII
Y2 - 30 November 2009 through 3 December 2009
ER -