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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 31, No. 5, 2010, pp. 483-489
Bioline Code: zr10066
Full paper language: Chinese
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 31, No. 5, 2010, pp. 483-489

 en Cloning of full-length coding sequence of tree shrew CD3? and prediction of its molecular characteristics
Yi-Jiang, Li; Yue-Dong, Gao; Yan, Guo; Cai-Xia, Lu; Jing-Fei, Huang; Xue-Shan, Xia; Jie-Jie, Dai; Quan-Shui, Fan; Zuo-Sheng, Li & Hua-Tang, Zhang


The use of tree shrews (Tupaia belangeri) in human disease studies demands essential research tools, in particular cellular markers and their monoclonal antibodies for immunological studies. Here we cloned the full-length cDNAs encoding CD3ε from total RNA of the spleen, liver and peripheral blood of tree shrews and analyzed their structural characteristics in comparison with other mammals by Discovery Studio software. The results showed that the open reading frame sequence of tree shrew CD3ε was 582 bp, encoding 194 amino acids. The overall structure of tree shrew CD3ε protein was similar to its counterparts of other mammals, intracellular and transmembrane domain highly conserved. However, detailed analysis revealed two potential glycosylation sites and different surface charges in the extracellular domain. Availability of the entire open-reading-frame and related sequence information would therefore facilitate the preparation of monoclonal antibodies against tree shrew CD3 and further studies for its function.

Tree shrews; CD3?; cDNA; Cloning; Structure; Function; Monoclonal antibody

© Copyright 2010 Kunming Institute of Zoology, the Chinese Academy of Sciences
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