首页> 外文期刊>Genomics >Sequence, gene structure, and expression pattern of CTNNBL1, a minor-class intron-containing gene-evidence for a role in apoptosis( small star, filled ).
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Sequence, gene structure, and expression pattern of CTNNBL1, a minor-class intron-containing gene-evidence for a role in apoptosis( small star, filled ).

机译:CTNNBL1的序列,基因结构和表达模式,CTNNBL1是次要类含内含子的基因,在细胞凋亡中起作用(小星,实心)。

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We have identified and characterized a cDNA designated CTNNBL1 (catenin (cadherin-associated protein), beta-like 1) coding for a protein of 563 amino acids having predicted structural homology to beta-catenin and other armadillo (arm) family proteins. CTNNBL1 is expressed in multiple human tissues, and its sequence is conserved across widely divergent species. The human CTNNBL1 gene on chromosome 20q11.2 contains 16 exons spanning > 178 kb. Intron 4 is a minor-class intron bearing AT at the 5' splice site and AC at the 3' splice site. An acidic domain, as well as a putative bipartite nuclear localization signal, a nuclear export signal, a leucine-isoleucine zipper, and phosphorylation motifs are present in the protein sequence. Transient expression of CTNNBL1 in CHO cells results in localization to the nucleus and apoptosis. The rate of cell death was higher when cells were transfected with a carboxy-terminal fragment of CTNNBL1, suggesting that the apoptosis-inducing activity is a function of this region.
机译:我们已经鉴定并鉴定了一个名为CTNNBL1(连环蛋白(钙黏着蛋白相关蛋白),β样1)的cDNA,编码563个氨基酸的蛋白,该蛋白具有与β-连环蛋白和其他犰狳(arm)家族蛋白的预测结构同源性。 CTNNBL1在多种人类组织中表达,其序列在广泛不同的物种中均得到保守。染色体20q11.2上的人类CTNNBL1基因包含16个跨越178 kb的外显子。内含子4是次要内含子,在5'剪接位点带有AT,在3'剪接位点带有AC。蛋白质序列中存在一个酸性域,以及一个假定的两部分核定位信号,一个核输出信号,一个亮氨酸-异亮氨酸拉链和磷酸化基序。 CTNNBL1在CHO细胞中的瞬时表达导致定位到细胞核和凋亡。当细胞被CTNNBL1的羧基末端片段转染时,细胞死亡率更高,表明凋亡诱导活性是该区域的功能。

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