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Mechanism of Xanthine Oxidase and 6-mercaptopurine

 

Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description
 

This theoretical study was aimed to predict transition state structures, the path of electron transfer and probe plausible mechanistic rout for hydroxylation of 6-mp or hypoxanthine with XO by relating the electronic structure to reactivity. Density functional theory (DFT)/ B3LYP method with 6-311G (d, p) full electron and LANL2DZ effective core potential (ECP) basis sets were used to probe the electronic structure of meta stable structure.The transition state energy barrier of 6-mercaptopurine was lower than hypoxanthine by 20kcal/mol in average. The ionicity data revealed that, the presence of substantial negative charge on proton suggests hydride transfer from substrate to active site. Bond length analysis showed that the transition state CRH-Oeq bond length is nearly completely formed where as the CRH-HRH bond length was only 36.78% broken. Geometry optimization revealed that hydroxylation of 6-mecaptopurine or hypoxanthine by XO follow stepwise mechanism.

Product Specifications
SKU :COC40379
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
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