Human septin-septin interaction:: CDCre1-1 partners with KIAA0202

被引:29
作者
Bläser, S [1 ]
Jersch, K [1 ]
Hainmann, I [1 ]
Wunderle, D [1 ]
Zgaga-Griesz, A [1 ]
Busse, A [1 ]
Zieger, B [1 ]
机构
[1] Univ Freiburg, Childrens Hosp, D-79106 Freiburg, Germany
关键词
septin; yeast two-hybrid assays; protein interaction; KIAA0202;
D O I
10.1016/S0014-5793(02)02749-7
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Septins are evolutionary conserved cytoskeletal GTPases forming heteropolymer complexes involved in cytokinesis and other cellular processes. CDCrel-1 (cell division cycle related-1) is a recently cloned and characterized human septin which is highly expressed in non-dividing cells, such as neurons. Using a yeast two-hybrid system we demonstrate that CDCrel-1 partners with another uncharacterized human septin, KIAA0202. The interaction of CDCrel-1 and KIAA0202 was confirmed in the human leukemia cell line K-562 using pull-down assays with a KIAA0202-glutathione S-transferase fusion protein and by immunoprecipitation of the CDCrel-1-KIAA0202 complex with an anti-KIAA0202 antibody. Expression studies of the two human septins revealed a concomitant expression of both proteins in certain cells. (C) 2002 Published by Elsevier Science B.V. on behalf of the Federation of European Biochemical Societies.
引用
收藏
页码:169 / 172
页数:4
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