Ankyrin repeat-containing proteins in Arabidopsis:: characterization of a novel and abundant group of genes coding ankyrin-transmembrane proteins

被引:94
作者
Becerra, C
Jahrmann, T
Puigdomènech, P
Vicient, CM
机构
[1] CSIC, IBMB, Dept Mol Genet, ES-08034 Barcelona, Spain
[2] IRTA, Ctr Cabrils, Dept Genet Vegetal, Barcelona 08348, Spain
关键词
ankyrin; arabidopsis; protein domain; transmembrane;
D O I
10.1016/j.gene.2004.06.006
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Ankyrin repeats are present in a great variety of proteins of eukaryotes, prokaryotes and some viruses and they function as protein-protein interaction domains. We have search for all the ankyrin repeats present in Arabidopsis proteins and determined their consensus sequence. We identified a total of 509 ankyrin repeats present in 105 proteins. Ankyrin repeat containing proteins can be classified in 16 groups of structurally similar proteins. The most abundant group contains proteins with ankyrin repeats and transmembrane domains (AtANKTM). Sequence similarity analysis indicates that these proteins are divided in six families. Some of the AtAnkTm genes are organized in tandem arrays and others are present in duplicated parts of the Arabidopsis genome. The expression of several AtAnkTm genes was analyzed resulting in a wide variety of expression patterns even within the same family. The likely functions of these proteins are discussed in comparison with the known functions of proteins with similar organization in other species. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:111 / 121
页数:11
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