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2015 ; 1
(ä): 2-13
Nephropedia Template TP
Biophys Rep
2015[]; 1
(ä): 2-13
PMID26942214
show ga
Despite the success of RNA secondary structure prediction for simple, short RNAs,
the problem of predicting RNAs with long-range tertiary folds remains.
Furthermore, RNA 3D structure prediction is hampered by the lack of the knowledge
about the tertiary contacts and their thermodynamic parameters. Low-resolution
structural modeling enables us to estimate the conformational entropies for a
number of tertiary folds through rigorous statistical mechanical calculations.
The models lead to 3D tertiary folds at coarse-grained level. The coarse-grained
structures serve as the initial structures for all-atom molecular dynamics
refinement to build the final all-atom 3D structures. In this paper, we present
an overview of RNA computational models for secondary and tertiary structures'
predictions and then focus on a recently developed RNA statistical mechanical
model-the Vfold model. The main emphasis is placed on the physics behind the
models, including the treatment of the non-canonical interactions in secondary
and tertiary structure modelings, and the correlations to RNA functions.