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中文摘要：
于室温下,在10 mmol/L Hepes缓冲溶液（pH=7.4）中,通过紫外差光谱和荧光光谱法研究了apoCopC和CuN-CopC与Ag＋的结合性质,进一步研究了apoCopC,CuN-CopC,CopC-AgC和CuN-CopC-AgC与Vitamin B6作用的超分子行为.结果表明,在apoCopC和CuN-CopC与Ag＋的摩尔比为1∶1时,Ag＋可以占据apoCopC和CuN-CopC的Cu＋结合位点,结合常数分别为（1.88±0.68）×106和9.61×107L/mol.apoCopC结合不同的金属离子后,与Vitamin B6的结合位点数明显减少.
英文摘要：
The interactions between silver ion and apoCopC,CuN-CopC were investigated through differential UV and fluorescence spectra in 10 mmol/L Hepes（pH=7.4） at room temperature.Moreover,the supramolecular behavior between apoCopC,CuN-CopC,CopC-AgC,CuN-CopC-AgC and Vitamin B6 was further stu-died.The results suggest that the Cu＋ site is occupied by the silver ion in the 1∶1 CopC-AgC or CuN-CopC-AgC complex.Furthermore,the binding constants are（1.88±0.68）×106 and 9.61×107 L/mol,respectively.After binding with metal ions,the number of binding sites between different proteins and Vitamin B6 is reduced.
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