THE 2.2-ANGSTROM CRYSTAL-STRUCTURE OF TRANSDUCIN-ALPHA COMPLEXED WITH GTP-GAMMA-S

被引:715
作者
NOEL, JP
HAMM, HE
SIGLER, PB
机构
[1] YALE UNIV, BOYER CTR MOLEC MED, DEPT MOLEC BIOPHYS & BIOCHEM, 295 CONGRESS AVE, NEW HAVEN, CT 06510 USA
[2] YALE UNIV, BOYER CTR MOLEC MED, HOWARD HUGHES MED INST, NEW HAVEN, CT 06510 USA
[3] UNIV ILLINOIS, DEPT PHYSIOL & BIOPHYS, CHICAGO, IL 60680 USA
[4] UNIV SASSARI, IST FISIOL GEN & CHIM BIOL, I-07100 SASSARI, ITALY
关键词
D O I
10.1038/366654a0
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The 2.2 angstrom crystal structure of activated rod transducin, G(talpha) . GTPgammaS, shows the bound GTPgammaS molecule occluded deep in a cleft between a domain structurally homologous to small GTPases and a helical domain unique to heterotrimeric G proteins. The structure, when combined with biochemical and genetic studies, suggests: how an activated receptor might open this cleft to allow nucleotide exchange; a mechanism for GTP-induced changes in effector and receptor binding surfaces; and a mechanism for GTPase activity not evident from previous data.
引用
收藏
页码:654 / 663
页数:10
相关论文
共 52 条
  • [1] REGULATION OF DEACTIVATION OF PHOTORECEPTOR G-PROTEIN BY ITS TARGET ENZYME AND CGMP
    ARSHAVSKY, VY
    BOWNDS, MD
    [J]. NATURE, 1992, 357 (6377) : 416 - 417
  • [2] ARTEMYEV NO, 1993, J BIOL CHEM, V268, P23611
  • [3] CRYSTAL-STRUCTURE OF ACTIVE ELONGATION-FACTOR TU REVEALS MAJOR DOMAIN REARRANGEMENTS
    BERCHTOLD, H
    RESHETNIKOVA, L
    REISER, COA
    SCHIRMER, NK
    SPRINZL, M
    HILGENFELD, R
    [J]. NATURE, 1993, 365 (6442) : 126 - 132
  • [4] IDENTIFICATION OF EFFECTOR-ACTIVATING RESIDUES OF GS-ALPHA
    BERLOT, CH
    BOURNE, HR
    [J]. CELL, 1992, 68 (05) : 911 - 922
  • [5] PHOSPHOLIPASE C-BETA-1 IS A GTPASE-ACTIVATING PROTEIN FOR GQ/11, ITS PHYSIOLOGICAL REGULATOR
    BERSTEIN, G
    BLANK, JL
    JHON, DY
    EXTON, JH
    RHEE, SG
    ROSS, EM
    [J]. CELL, 1992, 70 (03) : 411 - 418
  • [6] BLUMER KJ, 1991, ANNU REV PHYSIOL, V53, P37
  • [7] THE GTPASE SUPERFAMILY - A CONSERVED SWITCH FOR DIVERSE CELL FUNCTIONS
    BOURNE, HR
    SANDERS, DA
    MCCORMICK, F
    [J]. NATURE, 1990, 348 (6297) : 125 - 132
  • [8] FREE R-VALUE - A NOVEL STATISTICAL QUANTITY FOR ASSESSING THE ACCURACY OF CRYSTAL-STRUCTURES
    BRUNGER, AT
    [J]. NATURE, 1992, 355 (6359) : 472 - 475
  • [9] BRUNGER AT, 1993, XPLOR VERSION 3 1 MA
  • [10] COMPLETE NUCLEOTIDE-SEQUENCES OF THE T24 HUMAN BLADDER-CARCINOMA ONCOGENE AND ITS NORMAL HOMOLOG
    CAPON, DJ
    CHEN, EY
    LEVINSON, AD
    SEEBURG, PH
    GOEDDEL, DV
    [J]. NATURE, 1983, 302 (5903) : 33 - 37