THE CONFORMATION OF THE TRISACCHARIDE AND TETRASACCHARIDE PRODUCED IN THE HYDROLYSIS OF BARLEY GLUCAN WITH THE ENZYME ENDO-1,3-1,4-BETA-GLUCAN 4-GLUCANOHYDROLASE FROM BACILLUS-LICHENIFORMIS

被引:10
作者
BERNABE, M
JIMENEZBARBERO, J
PLANAS, A
机构
[1] CSIC, INST QUIM ORGAN GEN, CARBOHIDRATOS GRP, E-28006 MADRID, SPAIN
[2] UNIV RAMON LLULL, CETS, INST QUIM SARRIA, E-08017 BARCELONA, SPAIN
关键词
D O I
10.1080/07328309408011681
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
The solution conformation of the tri- and tetrasaccharide obtained by enzymatic degradation of glucan has been analysed using molecular mechanics and dynamics calculations and nuclear magnetic resonance data. The overall shape of both compounds is fairly similar and may be described by an equilibrium formed by conformers included in the low energy regions for both glycosidic linkages. The interglycosidic torsion angles for these conformers are Phi(H)=15+/-45 degrees and Psi(H)=-20+/-30 degrees for both beta(1->4) linkages and Phi(H)=40+/-15 degrees and Psi(H)=-20+/-35 degrees for the corresponding beta(1->3)-linked moiety.
引用
收藏
页码:799 / 817
页数:19
相关论文
共 54 条
[1]   THE CONFORMATIONAL BEHAVIOR OF THE CARDIAC GLYCOSIDE DIGOXIN AS INDICATED BY NMR-SPECTROSCOPY AND MOLECULAR-DYNAMICS CALCULATIONS [J].
AULABAUGH, AE ;
CROUCH, RC ;
MARTIN, GE ;
RAGOUZEOS, A ;
SHOCKCOR, JP ;
SPITZER, TD ;
FARRANT, RD ;
HUDSON, BD ;
LINDON, JC .
CARBOHYDRATE RESEARCH, 1992, 230 (02) :201-212
[2]   PRACTICAL ASPECTS OF TWO-DIMENSIONAL TRANSVERSE NOE SPECTROSCOPY [J].
BAX, A ;
DAVIS, DG .
JOURNAL OF MAGNETIC RESONANCE, 1985, 63 (01) :207-213
[3]   THE CONFORMATION OF 8-MEMBERED 3,2'-O-ISOPROPYLIDENE ACETALS OF SOME COMMON DISACCHARIDES [J].
BERNABE, M ;
FERNANDEZMAYORALAS, A ;
JIMENEZBARBERO, J ;
MARTINLOMAS, M ;
RIVERA, A .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, 1989, (11) :1867-1873
[4]   CONFORMATIONAL-ANALYSIS OF A DISACCHARIDE FRAGMENT OF THE POLYSACCHARIDE ANTIGEN OF STREPTOCOCCUS-PNEUMONIAE TYPE-1 USING NMR-SPECTROSCOPY AND HSEA CALCULATIONS [J].
BOCK, K ;
LONN, H ;
PETERS, T .
CARBOHYDRATE RESEARCH, 1990, 198 (02) :375-380
[5]   ASSIGNMENT OF STRUCTURES TO OLIGOSACCHARIDES PRODUCED BY ENZYMATIC DEGRADATION OF A BETA-D-GLUCAN FROM BARLEY BY H-1-NMR AND C-13-NMR SPECTROSCOPY [J].
BOCK, K ;
DUUS, JO ;
NORMAN, B ;
PEDERSEN, S .
CARBOHYDRATE RESEARCH, 1991, 211 (02) :219-233
[7]   STRUCTURE DETERMINATION OF A TETRASACCHARIDE - TRANSIENT NUCLEAR OVERHAUSER EFFECTS IN THE ROTATING FRAME [J].
BOTHNERBY, AA ;
STEPHENS, RL ;
LEE, JM ;
WARREN, CD ;
JEANLOZ, RW .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1984, 106 (03) :811-813
[8]  
BOURNE Y, 1992, J BIOL CHEM, V267, P197
[9]   SOLUTION CONFORMATION OF ALPHA-D(1-3)-LINKED AND ALPHA-D(1-6)-LINKED OLIGOMANNOSIDES USING PROTON NUCLEAR MAGNETIC-RESONANCE [J].
BRISSON, JR ;
CARVER, JP .
BIOCHEMISTRY, 1983, 22 (06) :1362-1368
[10]   THE SEQUENCE STATISTICS AND SOLUTION CONFORMATION OF A BARLEY (1-]3, 1-]4)-BETA-D-GLUCAN [J].
BULIGA, GS ;
BRANT, DA ;
FINCHER, GB .
CARBOHYDRATE RESEARCH, 1986, 157 :139-156