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Literature summary extracted from

  • Dauvillee, D.; Colleoni, C.; Shaw, E.; Mouille, G.; D'Hulst, C.; Morell, M.; Samuel, M.S.; Bouchet, B.; Gallant, D.J.; Sinskey, A.; Ball, S.
    Novel, starch-like polysaccharides are synthesized by an unbound form of granule-bound starch synthase in glycogen-accumulating mutants of Chlamydomonas reinhardtii (1999), Plant Physiol., 119, 321-330.
    View publication on PubMedView publication on EuropePMC

Protein Variants

EC Number Protein Variants Comment Organism
2.4.1.242 additional information construction of glycogen-accumulating debranching enzyme mutants, lacking amylopectin synthesis activity, which contain an unbound GBSSI form synthesizing insoluble starch-like polysaccharides with an altered structure Chlamydomonas reinhardtii

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.4.1.21 starch grain
-
 Chlamydomonas reinhardtii 43036
-

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.21 Chlamydomonas reinhardtii
-
-
-
2.4.1.242 Chlamydomonas reinhardtii
-
 different genotypes
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.242 additional information enzyme is bound to starch granules in wild-type cells Chlamydomonas reinhardtii
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.21 ADP-glucose + alpha-1,4-polyglucan granule-bound starch synthase I Chlamydomonas reinhardtii ADP + alpha-1,4-polyglucan
-
 ?
2.4.1.242 additional information the enzyme requires the presence of crystalline amylopectin for granule binding and production of amylose, while unbound enzyme occuring in debranching enzyme mutants are only capable to synthesize amylose-like material Chlamydomonas reinhardtii ?
-
 ?

Subunits

EC Number Subunits Comment Organism
2.4.1.242 More the enzyme requires the presence of crystalline amylopectin for granule binding Chlamydomonas reinhardtii

Synonyms

EC Number Synonyms Comment Organism
2.4.1.242 GBSSI
-
 Chlamydomonas reinhardtii
2.4.1.242 granule-bound starch synthase
-
 Chlamydomonas reinhardtii