TRANSLOCATION OF A PROTEIN-LIKE CHAIN THROUGH AN INTERACTING CHANNEL

Ting-ting Sun; Hai-zhu Ma; Shao-ping Deng

doi:10.1007/s10118-011-1067-1

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TRANSLOCATION OF A PROTEIN-LIKE CHAIN THROUGH AN INTERACTING CHANNEL

PAPER | Updated：2021-06-21

- TRANSLOCATION OF A PROTEIN-LIKE CHAIN THROUGH AN INTERACTING CHANNEL
- Chinese Journal of Polymer Science Vol. 29, Issue 5, Pages: 520-531(2011)
- Affiliations：
  
  a.School of Information and Electronic Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
  b.School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310035, China
- Author bio：
  
  **Ting-ting Sun (孙婷婷), E-mail: Tingtingsun@mail.zjgsu.edu.cn
- Funds：
- DOI：10.1007/s10118-011-1067-1
  CLC：
- Received：30 July 2010，
  
  Revised：2010-11-01，
  
  Accepted：12 November 2010，
  
  Published：2011
- Accepted：
Scan QR Code
Ting-ting Sun, Hai-zhu Ma, Shao-ping Deng. TRANSLOCATION OF A PROTEIN-LIKE CHAIN THROUGH AN INTERACTING CHANNEL[J]. Chinese Journal of Polymer Science, 2011, 29(5): 520-531.
DOI：

Ting-ting Sun, Hai-zhu Ma, Shao-ping Deng. TRANSLOCATION OF A PROTEIN-LIKE CHAIN THROUGH AN INTERACTING CHANNEL[J]. Chinese Journal of Polymer Science, 2011, 29(5): 520-531. DOI： 10.1007/s10118-011-1067-1.

摘要

Abstract

The effect of channel-protein interaction on the translocation of a protein-like chain through a finite channel under certain electric field was studied by using dynamical Monte Carlo simulations. The interior behavior of chain conformation under different interactions was investigated

such as the number of monomers outside of channel

out

monomers inside of channel

mean-square radius of gyration

and the average energy

. It shows that with strong attractive interaction

the translocation is more difficult than moderate interaction. At the same time

the dependence of translocation time with different interactions shows that moderate repulsive interaction (

= 0.5) accelerates the translocation. Although the waiting time for successful translocation of

= 1.0 is the longest

the average translocation time is not very large. It is far smaller than that of

= -1.0. The probability distributions of translocation time p(

') and the probability distributions of three duration times

(

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)

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) were all discussed. Log-normal distributions are found. All these findings will strengthen the understanding of protein translocation.

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