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Asian Journal of Biochemistry
  Year: 2007 | Volume: 2 | Issue: 6 | Page No.: 432-436
DOI: 10.3923/ajb.2007.432.436
 
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Informatics Models of Recognitions of Protein Synthesis

K. Cheng and C.H. Zou

Abstract:
We propose informatics models, using concepts of informative intensity, informative response intensity and informative flux, with different expressions and multiple layers, to describe informative recognitions between a large ribosomal subunit and a complex constructed with a small ribosomal subunit and an initiator tRNA bound on an initiation codon on an mRNA and between base-pairs of a triplet nucleotides (codon) at A site in a ribosome and on an mRNA and a sequence of three complementary nucleotides (anticodon) of a particular tRNA, beyond lengths of chemical bonds, for a natural protein synthesis. In a special expression of (quasi) electrostatics, our model shows the large ribosomal subunit and the complex have a negative informative recognition because they have an attractive force, it is the informative response Intensity to control their relative movements and spatial positions and to make a final decision, for the large ribosomal subunit, to hug, to leave or to ignore the complex. In a special expression of quantum mechanics, our model demonstrates normal complementary base-pairs of the codon and the anticodon have negative Informative Recognitions because their interactive forces are attractive; the other base-pairs have positive informative recognitions because their interactive forces are repulsive. A previous study reported a probability of wrong base-pairs is about 1/10000. With this probability, we estimate a constant barrier height of a potential energy function, the height is about 0.28 eV at a temperature of 37°C.
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How to cite this article:

K. Cheng and C.H. Zou , 2007. Informatics Models of Recognitions of Protein Synthesis. Asian Journal of Biochemistry, 2: 432-436.

DOI: 10.3923/ajb.2007.432.436

URL: https://scialert.net/abstract/?doi=ajb.2007.432.436

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