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2.4.1.21: starch synthase (glycosyl-transferring)

This is an abbreviated version!
For detailed information about starch synthase (glycosyl-transferring), go to the full flat file.

Word Map on EC 2.4.1.21

Reaction

ADP-alpha-D-glucose
+
[(1->4)-alpha-D-glucosyl]n
=
ADP
 +
[(1->4)-alpha-D-glucosyl]n+1

Synonyms

adenosine diphosphate glucose-starch glucosyltransferase, adenosine diphosphoglucose-starch glucosyltransferase, ADP-glucose starch synthase, ADP-glucose synthase, ADP-glucose transglucosylase, ADP-glucose-starch glucosyltransferase, ADP-glucose:1,4-alpha-D-glucan 4-alpha-D-glucosyltransferase, ADPG starch synthetase, ADPG-starch glucosyltransferase, AtSS2, AtSSII, AtSSIII, CkGBSS, dull1, GBSS, GBSSI, glgA, glucosyltransferase, adenosine diphosphoglucose-starch, glycogen synthase, glycogen/starch synthase, granule bound starch synthase, granule-bound starch synthase, granule-bound starch synthase I, GSase, OsGBSSII, OsSSIII-1, OsSSIII-2, OsSSIV-1, OsSSIV-2, PvSSI, PvSSII-1, SBD123, SS1, SS4, SSI, SSII, SSII(a), SSIIa, SSIIc, SSIII, SSIII(a), SSIII-1, SSIII-B, SSIII-C, SSIIIa, SSIIIb, SSIV, SSS, SSSI, SSV, starch synthase, starch synthase 1, starch synthase 4, starch synthase I, starch synthase II, starch synthase IIa, starch synthase III, starch synthase III-1, starch synthase III-2, starch synthase III-B, starch synthase IIIa, starch synthase IV, starch synthase IV-1, starch synthase IV-2, starch synthetase, starch-synthase III, starch/glycogen synthase, TaSSIVb, TVAG_258220

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.21 starch synthase (glycosyl-transferring)

Expression

Expression on EC 2.4.1.21 - starch synthase (glycosyl-transferring)

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EXPRESSION
ORGANISM
UNIPROT
LITERATURE
expression reaches maximum level at the middle developmental age of endosperm after pollination
isoform SSIII-1 shows the highest expression in banana pulp during fruit development at transcriptional levels. The protein is gradually increased during banana fruit development, but drastically reduced during storage
-
the enzyme is in the reduced and active form during the day with active photosynthesis
the enzyme is mostly expressed in leaves and rhizomes at the time between 8th to 14th weeks after germination
the highest expression level is in 15 DAP embryo and endosperm, followed by 15 days after pollination pericarp. The enzyme is expressed highly in the ear leaf at the grain filling stage of 15 days after pollination, and its level is significantly higher than in seedling leaves