A kind of method for screening chitinase ofcht I inhibitor
A chitinase and inhibitor technology, applied in the field of drug screening, can solve the problems of high cost, long time and heavy workload, etc.
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[0054] I. Drug screening
[0055] 1) Obtain the three-dimensional structure (PDB ID: 3WL1, 3WQV) of the OFCHT I and the ligand (PDB ID: 3WL1, 3WQV) from Protein Data Bank, using the Align / SuperPose module in MoE 2016.08, compare the two crystal complex ligand binding position, Determine the active pocket, see figure 1 , figure 1 Ofcht I-CAD- (GLCNAC) 2 / 3 (3WL1, Green) and OFCHT I-CAD- (GLCNAC) 5 (3wqv, yellow) crystal complex is superimposed; in which the blue region is an enzyme active pocket.
[0056]2) software MOE of 2016.08 Calculate Descriptors module calculates SPECS library weight of all the compounds (molecular weight), ClogP (calculated log octanol / water partitioncoefficient), HBA (number of H-bond acceptor atoms), HBD (number of H -Bond Donoratoms, Rob (Number of AROTABLE BONDS), and ARB (Number Of ATOMS) parameters, based on the type of pesticide rules: Weight <435, ClogP <6, HBA <6, HBD <2, ROB <9, a small molecule compound of Arb <17, establishing a database 1;
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