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砷酸盐耐药蛋白ARS2抗体 Background: ARS2(Arsenite resistance protein 2) confers arsenite resistance. The protein belongs to the ARS2 family. Arsenic is a human carcinogen whose mechanism of action is unknown. The arsenite acts as a comutagen by interfering with DNA repair. Two genes, ASR1(Arsenite resistance protein 1) and ASR2 (Arsenite resistance protein 2), confer arsenite resistance to arsenite-sensitive cells. ASR1 shows almost complete homology with the rat fau gene, a tumor suppressor gene which contains a ubiquitin like region fused to S30 ribosomal protein. Arsenite inhibits ubiquitin dependent proteolysis. The tumor suppressor fau gene product or some other aspect of the ubiquitin system may be a target for arsenic toxicity and that disruption of the ubiquitin system may contribute to the genotoxicity and carcinogenicity of arsenite. Also known as: ARS2 protein; Arsenate resistance protein ARS2; Arsenite resistance protein 2; Arsenite resistance protein; ASR2; MGC126427; Serrate; Serrate RNA effector molecule homolog (Arabidopsis); Serrate RNA effector molecule homolog; SRRT; SRRT_HUMAN.砷酸盐耐药蛋白ARS2抗体
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