CDKN2B-AS亦被称为ANRIL(INK4基因座中反义非编码RNA,英语:antisense non-coding RNA in the INK4 locus)是一条由19个外显子组成的长链非编码RNA,在基因组中横跨12.63万个碱基对,转录产物被剪接为长3834个碱基的RNA。该长链位于p15CDKN2B-p16CDKN2A-p14ARF基因座中且与蛋白编码基因呈反义方向转录。一些位于CDKN2B-AS的单核苷酸多态性位点(SNPs)改变其表达量,并与冠状动脉性心脏病、糖尿病及多种癌症在内的许多疾病呈关联性[1]。该条长链与多梳抑制复合物1中的克罗莫框7(CBX7)及多梳抑制复合物2中的SUZ12相结合,并通过与这两种多梳蛋白相互作用引起其它基因转录沉默[2][3]。
CDKN2B反义RNA 1 | |||||
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标识 | |||||
代号 | CDKN2B-AS1; ANRIL; CDKN2B-AS; CDKN2BAS; NCRNA00089; p15AS | ||||
扩展标识 | 遗传学:613149 GeneCards: CDKN2B-AS1 Gene | ||||
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直系同源体 | |||||
物种 | 人类 | 小鼠 | |||
Entrez | 100048912 | n/a | |||
Ensembl | ENSG00000240498 | n/a | |||
UniProt | n/a | n/a | |||
mRNA序列 | NR_003529 | n/a | |||
蛋白序列 | n/a | n/a | |||
基因位置 |
Chr 9: 21.99 – 22.12 Mb | n/a | |||
PubMed查询 | [1] | n/a | |||
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