The role of subunit interfaces for the nicotinic acetylcholine receptor's allosterism

被引:0
作者
Hucho, F
Methfessel, C
Watty, A
机构
[1] Free Univ Berlin, Inst Biochem, D-14195 Berlin, Germany
[2] Bayer AG, Biophys Abt, Zentrale Forsch, D-51368 Leverkusen, Germany
关键词
acetylcholine receptor; allosterism; quaternary structure; cross-linking;
D O I
10.1016/S0928-4257(98)80143-5
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Cross-linking of nicotinic acetylcholine receptors, combined with binding studies and patch-clamp electrophysiology, has proven the existence of a 'pre-existing equilibrium' of functional states and the functional role of subunit interfaces, two key postulates of the allosteric model. ((C) Elsevier, Paris).
引用
收藏
页码:85 / 88
页数:4
相关论文
共 7 条
[1]  
CHANGEUX JP, 1981, HARVEY LECT, V75, P85
[2]   NEUROTRANSMITTER-GATED ION CHANNELS AS UNCONVENTIONAL ALLOSTERIC PROTEINS [J].
GALZI, JL ;
CHANGEUX, JP .
CURRENT OPINION IN STRUCTURAL BIOLOGY, 1994, 4 (04) :554-565
[3]   STRUCTURE OF THE HIGH-AFFINITY BINDING-SITE FOR NONCOMPETITIVE BLOCKERS OF THE ACETYLCHOLINE-RECEPTOR - (H-3) CHLORPROMAZINE LABELS HOMOLOGOUS RESIDUES IN THE BETA-CHAIN AND DELTA-CHAIN [J].
GIRAUDAT, J ;
DENNIS, M ;
HEIDMANN, T ;
HAUMONT, PY ;
LEDERER, F ;
CHANGEUX, JP .
BIOCHEMISTRY, 1987, 26 (09) :2410-2418
[4]   THE ION CHANNEL OF THE NICOTINIC ACETYLCHOLINE-RECEPTOR IS FORMED BY THE HOMOLOGOUS HELICES M-II OF THE RECEPTOR SUBUNITS [J].
HUCHO, F ;
OBERTHUR, W ;
LOTTSPEICH, F .
FEBS LETTERS, 1986, 205 (01) :137-142
[5]   The emerging three-dimensional structure of a receptor - The nicotinic acetylcholine receptor [J].
Hucho, F ;
Tsetlin, VI ;
Machold, J .
EUROPEAN JOURNAL OF BIOCHEMISTRY, 1996, 239 (03) :539-557
[6]   ON NATURE OF ALLOSTERIC TRANSITIONS - A PLAUSIBLE MODEL [J].
MONOD, J ;
WYMAN, J ;
CHANGEUX, JP .
JOURNAL OF MOLECULAR BIOLOGY, 1965, 12 (01) :88-&
[7]   Fixation of allosteric states of the nicotinic acetylcholine receptor by chemical cross-linking [J].
Watty, A ;
Methfessel, C ;
Hucho, F .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1997, 94 (15) :8202-8207