Drug molecule screening method and system
A technology for drug molecules and screening methods, applied in molecular design, chemical statistics, biological neural network models, etc., can solve the problems of reduced molecular description ability, inflexibility, redundant information repetition, etc., to improve the model classification ability , avoid cyclic acquisition, improve the effect of accuracy
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Embodiment 1
[0039] like figure 1 As shown, this embodiment 1 provides a drug molecule screening system, the system includes:
[0040] an acquisition module for acquiring the drug molecules to be screened;
[0041] a conversion module, configured to obtain a molecular orientation information descriptor based on the molecular formula of the drug molecule; wherein, the molecular orientation information descriptor is composed of a plurality of one-dimensional vectors representing molecular bond characteristics of the drug molecule;
[0042] The classification module is used for using the pre-trained classification model to process the molecular orientation information descriptor to obtain the molecular property classification result.
[0043] In the present embodiment 1, a drug molecule screening method is realized by using the above system, including:
[0044] Use the acquisition module to obtain the drug molecules to be screened;
[0045] Using a conversion module, based on the molecular...
Embodiment 2
[0076] In this embodiment 2, a drug molecule screening algorithm based on molecular-oriented information descriptors and self-attention mechanism is provided. The overall architecture of the algorithm is as follows: figure 1 shown, including the generation of molecular orientation informative descriptors and the operation of convolutional neural networks. Specific steps are as follows:
[0077] The molecular orientation information descriptor is converted from the molecular formula in the data set, and the conversion process is as follows figure 2 shown. The information collection process of the molecular orientation information descriptor is as follows: image 3 The specific acquisition method is as follows:
[0078] First, the hidden features in the original state of the atomic bond connecting the a atom and the b atom
[0079]
[0080] in, represents the hidden feature in the original state of the molecular bond connecting the a atom and the b atom, ε represents...
Embodiment 3
[0096] Embodiment 3 of the present invention provides a non-transitory computer-readable storage medium, where the non-transitory computer-readable storage medium is used to store computer instructions, and when the computer instructions are executed by a processor, realize the above-mentioned drug molecule Screening methods, which include:
[0097] Obtain the drug molecules to be screened;
[0098] Based on the molecular formula of the drug molecule, obtain a molecular orientation information descriptor; wherein, the molecular orientation information descriptor is composed of a plurality of one-dimensional vectors representing molecular bond characteristics of the drug molecule;
[0099] Using a pre-trained classification model, the molecular orientation information descriptor is processed to obtain a molecular property classification result.
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