MOLECULAR MECHANICS MODELING OF ALPHA-(1-]2)-LINKED, ALPHA-(1-]3)-LINKED, AND ALPHA-(1-]6)-LINKED MANNOSYL DISACCHARIDES WITH MM3(92)

被引:39
作者
DOWD, MK [1 ]
FRENCH, AD [1 ]
REILLY, PJ [1 ]
机构
[1] IOWA STATE UNIV SCI & TECHNOL, DEPT CHEM ENGN, AMES, IA 50011 USA
关键词
D O I
10.1080/07328309508005360
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
MM3(92) was used to study the conformational flexibility of alpha-(1-->2), alpha-(1-->3), and alpha-(1-->6)-linked mannosyl dimers. Mannosyl rings were allowed to relax, and several sets of exo-cyclic orientations were included in the study. Two- and three-dimensional Ramachandran energy representations are similar to those for glucosyl dimers with related linkages. Crystal structures lie in low-energy regions of the maps near local minima. Our results are compared with those presented earlier based on other modeling methods.
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页码:589 / 600
页数:12
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