Structure of the Michaelis complex of β-mannosidase, Man2A, provides insight into the conformational itinerary of mannoside hydrolysis

被引:19
作者
Offen, Wendy A. [1 ]
Zechel, David L. [2 ]
Withers, Stephen G. [3 ]
Gilbert, Harry J. [4 ]
Davies, Gideon J. [1 ]
机构
[1] Univ York, Dept Chem, York Struct Biol Lab, York YO10 5YW, N Yorkshire, England
[2] Queens Univ, Dept Chem, Kingston, ON K7L 3N6, Canada
[3] Univ British Columbia, Dept Chem, Vancouver, BC V6T 1Z3, Canada
[4] Univ Georgia, Complex Carbohydrate Res Ctr, Athens, GA 30602 USA
基金
英国生物技术与生命科学研究理事会; 加拿大自然科学与工程研究理事会;
关键词
SELECTIVE-INHIBITION; MECHANISM; GLYCOSIDASES; MANNOSTATIN;
D O I
10.1039/b902240f
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The Michaelis complex of the beta-mannosidase Man2A shows distortion to a S-1(5) conformation adding to the growing body of evidence supporting catalysis through a boat conformation.
引用
收藏
页码:2484 / 2486
页数:3
相关论文
共 30 条
[1]   THE CCP4 SUITE - PROGRAMS FOR PROTEIN CRYSTALLOGRAPHY [J].
BAILEY, S .
ACTA CRYSTALLOGRAPHICA SECTION D-BIOLOGICAL CRYSTALLOGRAPHY, 1994, 50 :760-763
[2]   The Carbohydrate-Active EnZymes database (CAZy): an expert resource for Glycogenomics [J].
Cantarel, Brandi L. ;
Coutinho, Pedro M. ;
Rancurel, Corinne ;
Bernard, Thomas ;
Lombard, Vincent ;
Henrissat, Bernard .
NUCLEIC ACIDS RESEARCH, 2009, 37 :D233-D238
[3]   Mechanism of 4,6-0-benzylidene-directed β-Mannosylation as determined by α-deuterium kinetic isotope effects [J].
Crich, D ;
Chandrasekera, NS .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2004, 43 (40) :5386-5389
[4]  
Davies G.J., 2008, Biochemical Journal, P26, DOI [DOI 10.1042/BJ20080382, 10.1042/BJ20080382]
[5]   Mapping the conformational itinerary of β-glycosidases by X-ray crystallography [J].
Davies, GJ ;
Ducros, VMA ;
Varrot, A ;
Zechel, DL .
BIOCHEMICAL SOCIETY TRANSACTIONS, 2003, 31 :523-527
[6]  
Ducros VMA, 2002, ANGEW CHEM INT EDIT, V41, P2824, DOI 10.1002/1521-3773(20020802)41:15<2824::AID-ANIE2824>3.0.CO
[7]  
2-G
[8]   Organic fluorine: Odd man out [J].
Dunitz, JD .
CHEMBIOCHEM, 2004, 5 (05) :614-621
[9]   Organic fluorine hardly ever accepts hydrogen bonds [J].
Dunitz, JD ;
Taylor, R .
CHEMISTRY-A EUROPEAN JOURNAL, 1997, 3 (01) :89-98
[10]   Coot:: model-building tools for molecular graphics [J].
Emsley, P ;
Cowtan, K .
ACTA CRYSTALLOGRAPHICA SECTION D-STRUCTURAL BIOLOGY, 2004, 60 :2126-2132