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2.4.1.82: galactinol-sucrose galactosyltransferase

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

Word Map on EC 2.4.1.82

Reaction

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

Synonyms

alkaline alpha galactosidase 1, At4g01970, galactinol:sucrose 6-galactosyl transferase, galactosyltransferase, galactinol-sucrose, More, raffinose synthase, raffinose synthase 1, raffinose synthase 2, raffinose synthase 3, raffinose synthase 4, raffinose synthase 5, raffinose synthase 6, RafS, RFO synthase/galactosylhydrolase, RFS4, RFS5, RS1, RS2, RS3, RS4, RS5, RS6, ZmRAFS

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.82 galactinol-sucrose galactosyltransferase

Expression

Expression on EC 2.4.1.82 - galactinol-sucrose galactosyltransferase

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EXPRESSION
ORGANISM
UNIPROT
LITERATURE
enzyme expression can be induced by low temperature (highest expression after 2 h at 6°C) and 0.15 mM (fruit) and 0.2 mM (leaf) abscisic acid
gene expression of Os07g0209100 encoding raffinose synthase is upregulated by overexpression of the transcription factor 11 (WRKY11) induced by heat pretreatment
isoform RS2 is slowly induced by cold and salt stresses
overexpression of maize ZmDREB1A in maize leaf protoplasts increases ZmDREB1A amounts, which consequently upregulate the expression of maize ZmRAFS and the Renilla luciferase (Rluc), that is controlled by the ZmRAFS promoter. Addition of three copies of the DRE in the ZmRAFS promoter dramatically increases Rluc expression when ZmDREB1A is simultaneously overexpressed. ZmDREB1A directly binds to the DRE motif in the promoter of ZmRAFS both in vitro and in vivo
the enzyme is induced in leaves by abiotic stresses
the expression levels of isoforms RS1 are significantly higher than that of isoform RS2
the mRNA for RS1 is rapidly induced by cold stress