Kinetics of inhibition of sperm beta-acrosin activity by suramin.
[No authors listed]
摘要
Sperm beta-acrosin activity is inhibited by suramin, a polysulfonated naphthylurea compound with therapeutic potential as a combined antifertility agent and microbicide. A kinetic analysis of enzyme inhibition suggests that three and four molecules of suramin bind to one molecule of ram and boar beta-acrosins respectively. Surface charge distribution models of boar beta-acrosin based on its crystal structure indicate several positively charged exosites that represent potential 'docking' regions for suramin. It is hypothesised that the spatial arrangement and distance between these exosites determines the capacity of beta-acrosin to bind suramin.
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基因功能
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原始数据
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文献解读
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