期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 14, 期 3, 页码 649-651出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2003.11.056
关键词
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The biosynthetic origin of the C-3 branched unit of agglomerin A has been investigated. Feeding of sn-(3R)- and sn-(3S)[3-H-2]glycerols to Enterobacter agglomerans PB-6042 followed by H-2 NMR analysis of the resulting agglomerin A revealed that pro-R and pro-S hydrogens at sn-C-3 of glycerol were incorporated stereo specifically into 5E and 5Z hydrogens of agglomerin A, respectively. These results imply that the immediate precursor of the C-3 branched unit is not pyruvate, but 1,3-bisphosphoglyceric acid or its biological equivalent. (C) 2003 Elsevier Ltd. All rights reserved.
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