CRYSTALLINE-STRUCTURE OF O-ALPHA-D-MANNOPYRANOSYL-(1-]3)-L-THREONINE

被引：10

作者：

DARBON, N ^{[1
]}

ODDON, Y ^{[1
]}

LACOMBE, JM ^{[1
]}

PAVIA, AA ^{[1
]}

机构：

[1] UER SCI, CHIM BIOORGAN LAB, 33 RUE LOUIS PASTEUR, F-84000 AVIGNON, FRANCE

来源：

CARBOHYDRATE RESEARCH | 1984年 / 130卷 / JUL期

关键词：

D O I：

10.1016/0008-6215(84)85269-6

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 structure of O-.alpha.-D-mannopyranosyl-(1 .fwdarw. 3)-L-threonine was determined by direct method, and was refined to a final R value of 0.038. Both X-ray crystallography and 400-MHz 1H NMR data are in agreement with a conformation of the threonine molecule, in which H.alpha. and H.beta. are in a nearly gauche-gauche relationship. Such orientation is basically different from that reported earlier for threonine by X-ray analysis, in which H.alpha. and H.beta. were shown to be in an antiperiplanar relationship.

引用

页码：55 / 64

页数：10

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