ZETA-COP, A SUBUNIT OF COATOMER, IS REQUIRED FOR COP-COATED VESICLE ASSEMBLY

被引:68
作者
KUGE, O
HARAKUGE, S
ORCI, L
RAVAZZOLA, M
AMHERDT, M
TANIGAWA, G
WIELAND, FT
ROTHMAN, JE
机构
[1] MEM SLOAN KETTERING CANC CTR, CELLULAR BIOCHEM & BIOPHYS PROGRAM, 1275 YORK AVE, NEW YORK, NY 10021 USA
[2] UNIV GENEVA, SCH MED, INST HISTOL & EMBRYOL, DEPT MORPHOL, CH-1211 GENEVA 4, SWITZERLAND
[3] UNIV HEIDELBERG, INST BIOCHEM 1, W-6900 HEIDELBERG, GERMANY
关键词
D O I
10.1083/jcb.123.6.1727
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
cDNA encoding the 20-kD subunit of coatomer, zeta-COP, predicts a protein of 177-amino acid residues, similar in sequence to AP17 and AP19, subunits of the clathrin adaptor complexes. Polyclonal antibody directed to zeta-COP blocks the binding of coatomer to Golgi membranes and prevents the assembly of COP-coated vesicles on Golgi cisternae. Unlike other coatomer subunits (beta-, beta', gamma-, and epsilon-COP), zeta-COP exists in both coatomer bound and free pools.
引用
收藏
页码:1727 / 1734
页数:8
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