Identification and characterization of a novel hsc70-like gene in the human lung tumor cell line HS24.

Identification and characterization of a novel hsc70-like gene in the human lung tumor cell line HS24.
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人肺肿瘤细胞系 HS24 中新型 hsc70 样基因的鉴定和表征。

DOI:
10.1089/dna.1997.16.257
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发表时间:
1997
影响因子:
3.1
通讯作者:
H. Gassen
H. Gassen
中科院分区:
生物学4区
文献类型:
--
作者:
A. Schulte;S. Fischer;G. Sachse;S. Häfner;S. Stelck;H. Gassen

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我们确定的cDNA序列和分析的基因组结构的一种新的人类基因命名为HS 24/p52,这表明显着的相似性,在人肺肿瘤细胞系HS 24的压力-70蛋白的ATP结合结构域。该2,203个核苷酸长的cDNA序列分为一个不完整的10个核苷酸的5'非翻译区,一个1,425个核苷酸的开放阅读框,编码474个氨基酸和一个768个核苷酸的3'非翻译区。推导的474个氨基酸中的前404个氨基酸类似于不同物种的Hsp 70蛋白的氨基端区域。此外,被认为是Hsp 70蛋白中ATP酶机制和ATP结合活性所必需的单个氨基酸和短氨基酸片段在该序列中也是保守的。羧基末端70个氨基酸与hsp 70和任何其他已知的蛋白质序列没有显着的相似性。HS 24/p52基因含有至少5个内含子,其在编码序列内的大小和位置方面与hsc 70基因显著不同。该基因的总长度超过15 kbp。聚合酶链反应(PCR)实验表明,该基因在不同的人类细胞系和组织中表达,并且似乎在人类和小鼠之间高度保守。
We determined the cDNA sequence and analyzed the genomic structure of a novel human gene designated HS24/p52, which shows significant similarity to the ATP-binding domain of stress-70 proteins in the human lung tumor cell line HS24. The 2,203-nucleotide-long cDNA sequence is divided into an incomplete 10-nucleotide 5' nontranslated region, a 1,425-nucleotide open reading frame which codes for 474 amino acids and a 768-nucleotide 3' nontranslated region. The first 404 of the deduced 474 amino acids resemble the amino-terminal regions of Hsp70 proteins from different species. Furthermore, single amino acid and short amino acid stretches, which are thought to be essential for the ATPase mechanism and ATP-binding activity in Hsp70 proteins, are conserved in this sequence, too. The carboxy-terminal 70 amino acids exhibit no significant similarity to hsp70 nor to any other known protein sequences. The HS24/p52 gene contains at least five introns, which differ significantly from hsc70 genes with regard to their size and location within the coding sequences. The total size of this gene is more than 15 kbp. Polymerase chain reaction (PCR) experiments showed that this gene is expressed in different human cell lines and tissues and it also seems to be highly conserved between human and mouse.
哺乳动物 70,000 道尔顿应激蛋白的快速纯化:蛋白质对核苷酸的亲和力。
DOI: 10.1128/mcb.5.6.1229-1237.1985
发表时间: 1985
影响因子: 5.3
作者:
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DOI: 10.1073/pnas.85.23.8998
发表时间: 1988-12-01
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DOI: 10.1021/bi00488a001
发表时间: 1990
期刊: Biochemistry
影响因子: 2.9
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发表时间: 1981-01-01
影响因子: 5.6
作者:
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