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Parallel marine drug screening method based on heterogeneous many-core architecture

A screening method and heterogeneous technology, applied in the field of parallel marine drug screening based on heterogeneous many-core architecture, can solve problems such as time-consuming, and achieve the effects of reducing I/O pressure, good docking ability, and shortening search time.

Active Publication Date: 2020-06-05
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 1. The conformational search of traditional drug virtual screening is usually deployed on a single processor to run sequentially, so the entire screening process is also time-consuming
[0009] 2. The I / O of the traditional molecular docking method usually reads in a target data file, reads in a small molecule data file and a configuration file, and then docks to generate a result file containing scoring, that is, most of the traditional virtual screening techniques is serial
This approach ensures good scoring ability but not necessarily good docking ability

Method used

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Embodiment 1

[0032]The parallel high-precision marine drug screening method based on the heterogeneous many-core architecture provided in this embodiment includes the construction of a heterogeneous many-core high-performance computing architecture, the input and output of drug high-throughput screening programs and parallelization, scoring, Optimize molecular structure;

[0033] 1) Construct a heterogeneous many-core high-performance computing architecture. During the virtual screening calculation process, an iterative local search global optimization algorithm is used to search for the conformation of the ligand after one rotation; rotation includes changes in the position and direction of the ligand , and changes in the torsion values ​​of active rotatable bonds and flexible residues in the ligand. According to the scoring function, the rotated conformation calculates the binding free energy of this conformation with the corresponding receptor, and according to the complexity of the doc...

Embodiment 2

[0043] A parallel high-precision marine drug screening method based on heterogeneous many-core architecture of the present invention, the method includes constructing a heterogeneous many-core high-performance computing architecture, input and output of drug high-throughput screening programs and parallelization, scoring, Optimize molecular structure;

[0044] 1) Construct a heterogeneous many-core high-performance computing architecture, and use an iterative local search global optimization algorithm to search for the conformation of the ligand after one rotation. The rotated conformation calculates the binding of the conformation to the corresponding receptor according to the scoring function The free energy, according to the complexity of the docking, adaptively determines the number of steps in the search process and selects a random conformation to start performing several searches. Due to the huge amount of calculation in the search process, according to the architectura...

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Abstract

The invention relates to a parallel marine drug screening method based on a heterogeneous many-core architecture, and belongs to the technical field of drug screening, and the method comprises the steps of constructing a high-performance computing architecture of heterogeneous many cores, inputting, outputting and parallelizing a drug high-throughput screening program, scoring and optimizing a molecular structure. According to the method, the heterogeneous many-core high-performance computing architecture is utilized, so that drug screening is more efficient and accurate, and the finally screened molecular structure is simple and has a good effect on a target point.

Description

technical field [0001] The invention belongs to the technical field of drug screening, in particular to a parallel marine drug screening method based on heterogeneous many-core architecture. Background technique [0002] Marine drugs refer to drugs developed from marine organisms and marine microorganisms using modern scientific methods and technologies. Most of the existing marine medicines belong to the category of natural medicines, that is, active ingredients extracted directly from marine organisms, and some are obtained from marine biological active ingredients through artificial synthesis or biotechnology transformation. The total amount of marine medicinal resources is abundant, and it is a strategic location for the high-quality development of the pharmaceutical industry, and has become a focus resource of biomedicine of global concern. Since the 1940s, a series of achievements have been made in international marine drug research. Nearly 40,000 marine compounds hav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G16B15/30
CPCG16B15/30
Inventor 刘昊王新茹魏志强张志雨
Owner OCEAN UNIV OF CHINA
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