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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)

Molecular Weight

Molecular Weight on EC 2.4.1.21 - starch synthase (glycosyl-transferring)

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MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
110000
-
synthase I, gel filtration
11500
-
2 * 11500, SDS-PAGE, enzyme may exist as dimer and hexamer
12000
139000
-
x * 139000, deduced from nucleotide sequence
180000
-
x * 180000, isoform SSIII, calculated from amino acid sequence
32000
-
x * 53000 + x * 32000, SDS-PAGE
38000
-
possibly a monomer of 70000 Da or a dimer of 2 * 38000 Da
49000
-
2 * 49000, SDS-PAGE
53000
-
x * 53000 + x * 32000, SDS-PAGE
58000
-
x * 58000, SDS-PAGE
59000
x * 59000, isoform GBSSI, calculated from amino acid sequence
60000
67000
x * 67000, SDS-PAGE
67500
x * 67500, isoform SSI, calculated from amino acid sequence
69000
-
synthase II, gel filtration
70000
73400
x * 73400, calculated from amino acid sequence
77000
81600
x * 81600, isoform SSIIa, calculated from amino acid sequence
82306
x * 82306, calculated
87096
x * 87096, calculated
92700
-
sucrose density gradient centrifugation
98300
x * 98300, isoform SSIV, calculated from amino acid sequence