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2.4.1.364: protopanaxadiol-type ginsenoside 3-O-glucosyltransferase

This is an abbreviated version!
For detailed information about protopanaxadiol-type ginsenoside 3-O-glucosyltransferase, go to the full flat file.

Reaction

UDP-alpha-D-glucose
+
(20S)-protopanaxadiol
=
UDP
+
(20S)-ginsenoside Rh2

Synonyms

3GT1, Pq3-O-UGT1, UGT74AE2

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.364 protopanaxadiol-type ginsenoside 3-O-glucosyltransferase

General Information

General Information on EC 2.4.1.364 - protopanaxadiol-type ginsenoside 3-O-glucosyltransferase

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GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
metabolism
key enzyme for the synthesis of ginsenosides
physiological function
overexpression of Pq3-O-UGT1 leads to a higher level of protopanaxadiol-group ginsenosides (especially for Rh2 and Rd) in transgenic hairy roots, whereas RNA interference against Pq3-O-UGT1 results in lower content of ginsenoside Rh2. Both overexpression and RNAi upregulate the key upstream genes Pq-D12H and Pq-CYP6H, and there is no effect on the upstream gene of Pq-DS