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Citation: Hou Ting-Jun, An Yu, Liao Ning, Ru Bing-Gen, Xu Xiao-Jie. Theoretic Studies on the Mechanism of Cations in Metallothioneins Polymerization[J]. Acta Physico-Chimica Sinica, ;2000, 16(04): 356-361. doi: 10.3866/PKU.WHXB20000412 shu

Theoretic Studies on the Mechanism of Cations in Metallothioneins Polymerization

1.
College of Chemistry and Molecular Engineering,College of Life Science,Peking University,Beijing 100871

Received Date: 23 June 1999
Available Online: 15 April 2000

It has been proven by experiments that cations play a very important role in metallothioneins polymerization. In this paper, three kinds of metallothioneines including MT-Ⅱfrom rat liver, MT-Ⅰand MT-Ⅱfrom rabbit have been investigated. From the analyses of electrostatic potential, two binding sites of cations can be determined: The first one is located between the dimer interface; the other one is located in the negative electrostatic potential hole. The binding capacity between two monomers in a dimer can be regulated by these cations to some extent.
- Metallothioneines,
- Electrostatic potential,
- Negative electrostatic hole
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