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分子生物医学泛素蛋白连接酶复合体KPC的研究进展.PDF

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2016 11 22 21 Medical Recapitulate,Nov.2016 ,Vo.l 22 ,No.21 ・4161・ KPC 1 1△ 2 2 2 3 2 ※ 杨 波 ,林新铎 ,唐俊明 ,杨建业 ,张 蕾 ,姜峰波 () ,王家宁 () (1., 430060 ; 2., 442000 ; 3., 442000) :R33 :A :1006-2084 (2016)21-4161-05 doi:10.3969/j.issn.1006-2084.2016.21.001 :,, 1 Kip1 、(E 3)。 E 3 , Kip1 -(KPC)E3 ,KPC1 KPC2 ,KPC1 C [3] ,E3 ,KPC2 Kamura 2004 。 KPC ,、、 。 KPC,KPC1 :;;1;2 KPC2 。 1 1 2 Research Progress of UbiquitinL igase Complex KPC YANG Bo ,LIN Xin-duo ,TANG Jun-ming , KPC1 (RNF123 2 2 3 2 YANG Jian-ye ,ZHANG Lei, JIANG Fengb-o W, ANG Jia-ning .(1.Department of Cardilo ogy ,Rne min Hos- pital of Wuhan Universiyt ,Wuhan 430060 ,China; 2.nI stitute of Cl inical Medicine,Renmin Hospital,Hubei )4 Unvi ersity of Medicine,Shiyan 442000 ,China;3.Department of Neurology ,Renmin Hospital,Hubei University 1 5 4( p15), of Medicine,Shiyan 442000 ,China) Abstract :Ubiquitin-proteasome pathway is one of the most important protein degradation pathways in KPC1 eukaryotes,among which ubiquitination of target proteins involves in the ubiquitin-activating enzyme,the 140 000 ubiquitin-conjugating enzyme and the ubiquitin ligase (E3 ).The ubiquitin ligase plays a key role in the identification of target proteins,Kip1 ubiquitination-promoting complex(KPC) being a ubiquitin ligase com- ,, plex that consists of KPC1 and KPC2.KPC1 contains
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