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Towards equilibrium molecular conformation generation with GFlowNets

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arxiv 2310.14782 v1 pith:VMNGEG7G submitted 2023-10-20 cs.LG cs.AI

Towards equilibrium molecular conformation generation with GFlowNets

classification cs.LG cs.AI
keywords conformationsenergymolecularsamplingboltzmanndistributiondiversegflownet
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Sampling diverse, thermodynamically feasible molecular conformations plays a crucial role in predicting properties of a molecule. In this paper we propose to use GFlowNet for sampling conformations of small molecules from the Boltzmann distribution, as determined by the molecule's energy. The proposed approach can be used in combination with energy estimation methods of different fidelity and discovers a diverse set of low-energy conformations for highly flexible drug-like molecules. We demonstrate that GFlowNet can reproduce molecular potential energy surfaces by sampling proportionally to the Boltzmann distribution.

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