The riddle of the Sec1/Munc-18 proteins - new twists added to their interactions with SNAREs

被引:72
作者
Gallwitz, D
Jahn, R
机构
[1] Max Planck Inst Biophys Chem, Dept Mol Genet, D-37070 Gottingen, Germany
[2] Max Planck Inst Biophys Chem, Dept Neurobiol, D-37070 Gottingen, Germany
关键词
D O I
10.1016/S0968-0004(03)00028-8
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
Sec1/Munc-18 (SM) proteins are essential for intracellular membrane fusion reactions. Most of them bind to membrane-associated soluble N-ethylmaleimide-sensitive fusion (NSF)-attachment protein receptors (SNAREs) of the syntaxin subfamily but it is unclear whether regulating syntaxins is their primary role. Recent studies now have shown that the mechanism of syntaxin binding is not conserved, even though the structures of both protein families are. Amazing as this might be for those considering the evolution of conserved folds, it leaves the question of how SM proteins operate in membrane fusion unanswered.
引用
收藏
页码:113 / 116
页数:4
相关论文
共 30 条
[1]   A FAMILY OF PROTEINS INVOLVED IN INTRACELLULAR-TRANSPORT [J].
AALTO, MK ;
KERANEN, S ;
RONNE, H .
CELL, 1992, 68 (02) :181-182
[2]   Crystal structure of the endosomal SNARE complex reveals common structural principles of all SNAREs [J].
Antonin, W ;
Fasshauer, D ;
Becker, S ;
Jahn, R ;
Schneider, TR .
NATURE STRUCTURAL BIOLOGY, 2002, 9 (02) :107-111
[3]   Structural basis for the Golgi membrane recruitment of Sly1p by Sed5p [J].
Bracher, A ;
Weissenhorn, W .
EMBO JOURNAL, 2002, 21 (22) :6114-6124
[4]   Crystallization and preliminary X-ray analysis of squid neuronal Sec1 [J].
Bracher, A ;
Dresbach, T ;
Betz, H ;
Weissenhorn, W .
ACTA CRYSTALLOGRAPHICA SECTION D-STRUCTURAL BIOLOGY, 2000, 56 :501-503
[5]  
BRENNER S, 1974, GENETICS, V77, P71
[6]   Sec1p binds to SNARE complexes and concentrates at sites of secretion [J].
Carr, CM ;
Grote, E ;
Munson, M ;
Hughson, FM ;
Novick, PJ .
JOURNAL OF CELL BIOLOGY, 1999, 146 (02) :333-344
[7]   Snare-mediated membrane fusion [J].
Chen, YA ;
Scheller, RH .
NATURE REVIEWS MOLECULAR CELL BIOLOGY, 2001, 2 (02) :98-106
[8]   A role for Tlg1p in the transport of proteins within the Golgi apparatus of Saccharomyces cerevisiae [J].
Coe, JGS ;
Lim, ACB ;
Xu, J ;
Hong, WJ .
MOLECULAR BIOLOGY OF THE CELL, 1999, 10 (07) :2407-2423
[9]   IDENTIFICATION AND STRUCTURE OF 4 YEAST GENES (SLY) THAT ARE ABLE TO SUPPRESS THE FUNCTIONAL LOSS OF YPT1, A MEMBER OF THE RAS SUPERFAMILY [J].
DASCHER, C ;
OSSIG, R ;
GALLWITZ, D ;
SCHMITT, HD .
MOLECULAR AND CELLULAR BIOLOGY, 1991, 11 (02) :872-885
[10]   How Tlg2p/syntaxin 16 'snares' Vps45 [J].
Dulubova, I ;
Yamaguchi, T ;
Gao, Y ;
Min, SW ;
Huryeva, I ;
Südhof, TC ;
Rizo, J .
EMBO JOURNAL, 2002, 21 (14) :3620-3631