Journal of Chuxiong Normal University ›› 2020, Vol. 35 ›› Issue (6): 76-88.

• Biology • Previous Articles     Next Articles

Bioinformatics Analysis of Bovine Insulin-like Growth Factor-1 Receptor

Haiyan Yang1, Huanfei Kuang1, Ruijun Li2, Zhongze Luo3, Lu Qiu1,*   

  1. 1. Department of Chemistry, Life Science, Chuxiong Normal University, Chuxiong675000;
    2. College of Foreign Languages, Literature, Chuxiong Normal University, Chuxiong675000;
    3. Chuxiong Agricultural Science Research Institute, Yunnan Chuxiong675000
  • Received:2020-03-28 Online:2020-11-20 Published:2021-03-29
  • Contact: *Lu Qiu (1964–), Female, master, professor, mainly engaged in Biomolecules and molecular spectra. E-mail: qiulu@cxtc.edu.cn, Tel:18908787795
  • About author:Haiyan Yang(1979-),Female,doctor,associate professor,mainly engaged in plant pathology,physiology and edible fungi research. E-mail:haiyanyang@cxtc.edu.cn,Tel:18287864615;#Co-first author:Huanfei Kuang(1997- ),Female,undergraduate,mainly engaged in biological research. E-mail:3345034225@qq.com,Tel:13176655136

Abstract: In order to understand the gene and protein structure of Insulin-like growth factor-1 receptor in Bos taurus and other animals, to know the differences between the various structures of IGF-1R and the corresponding functions of these animals, in this paper, the protein and gene sequences of 9 species of IGF-1R mammals in the NCBI database including B. taurus, Maylandia zebra, Capra hircus, Bubalus bubalis, Ovis aries, Sus scrofa, Equus caballus, Camelus dromedaries and Homo sapiens was used as research objects. Using the relevant software and website of bioinformatics, the correlation between the composition structure and function of the gene sequence and protein sequence of IGF-1R of these 9 animals is comprehensively analyzed. The results of the study indicate the IGF-1R gene sequences of that some of the 9 animal have promoters and tailing sites, and some do not exist; all contain open reading frames and can encode complete polypeptide chains. The amino acids in the protein sequences of 9 animal IGF-1Rs are acidic amino acids, and not all of them have signal peptides; except for the B. bubalis, the identity and similarity of the protein sequence of bovine IGF-1R with other animals is between 25~35; the evolutionary trees constructed by multiple sequences have differences, one is the difference in evolutionary years, and the other is that the IGF-1R protein sequences of these animals have homology; The secondary structure is mainly composed of random coils; the tertiary structure of bovine IGF-1R protein sequence is quite different from other animals, but the structure is relatively stable. The predicted model conformation of the tertiary structure of IGF-1R protein sequence of 9 animals is in accordance with the rules of stereochemistry. The research results have a better understanding of the structure and function of bovine IGF-1R, and provide a certain reference for further discussion on the structure and function of IGF-1R, animal growth and reproduction.

Key words: Bos Taurus, Insulin-like growth factor-1 receptor, Bioinformatics analysis, Protein sequence, Gene sequence

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