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2.4.1.67: galactinol-raffinose galactosyltransferase

This is an abbreviated version!
For detailed information about galactinol-raffinose galactosyltransferase, go to the full flat file.

Word Map on EC 2.4.1.67

Reaction

alpha-D-galactosyl-(1->3)-1D-myo-inositol
+
raffinose
=
myo-inositol
+
stachyose

Synonyms

AmSTS1, galactinol:raffinose-6-galactosyl-transferase, galactosyltransferase, galactinol-raffinose, More, RFO synthase/galactosylhydrolase, RS4, stachyose synthase, stachyose synthetase, StaS, STS

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.67 galactinol-raffinose galactosyltransferase

Inhibitors

Inhibitors on EC 2.4.1.67 - galactinol-raffinose galactosyltransferase

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
abscisic acid
-
in concentration of 250 micromol/l
Ag+
-
weak
Ca2+
-
weak
D-ononitol
-
competitive inhibition when the enzyme is incubated with both raffinose and D-ononitol simultaneously
melibiose
-
i.e. 6-O-alpha-D-galactosyl-alpha-D-glucose, non-competitive to raffinose, weak
Mg2+
-
weak
myo-inositol
-
strong, competitive
raffinose
-
competitive inhibition when the enzyme is incubated with both raffinose and D-ononitol simultaneously
Tris buffer
-
0.1 M
additional information
-