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2017 ; 18
(1
): 327
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Using the multi-objective optimization replica exchange Monte Carlo enhanced
sampling method for protein-small molecule docking
#MMPMID28693470
Wang H
; Liu H
; Cai L
; Wang C
; Lv Q
BMC Bioinformatics
2017[Jul]; 18
(1
): 327
PMID28693470
show ga
BACKGROUND: In this study, we extended the replica exchange Monte Carlo (REMC)
sampling method to protein-small molecule docking conformational prediction using
RosettaLigand. In contrast to the traditional Monte Carlo (MC) and REMC sampling
methods, these methods use multi-objective optimization Pareto front information
to facilitate the selection of replicas for exchange. RESULTS: The Pareto front
information generated to select lower energy conformations as representative
conformation structure replicas can facilitate the convergence of the available
conformational space, including available near-native structures. Furthermore,
our approach directly provides min-min scenario Pareto optimal solutions, as well
as a hybrid of the min-min and max-min scenario Pareto optimal solutions with
lower energy conformations for use as structure templates in the REMC sampling
method. These methods were validated based on a thorough analysis of a benchmark
data set containing 16 benchmark test cases. An in-depth comparison between MC,
REMC, multi-objective optimization-REMC (MO-REMC), and hybrid MO-REMC (HMO-REMC)
sampling methods was performed to illustrate the differences between the four
conformational search strategies. CONCLUSIONS: Our findings demonstrate that the
MO-REMC and HMO-REMC conformational sampling methods are powerful approaches for
obtaining protein-small molecule docking conformational predictions based on the
binding energy of complexes in RosettaLigand.