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Literature summary for 3.2.1.68 extracted from

  • Wattebled, F.; Dong, Y.; Dumez, S.; Delvalle, D.; Planchot, V.; Berbezy, P.; Vyas, D.; Colonna, P.; Chatterjee, M.; Ball, S.; D'Hulst, C.
    Mutants of Arabidopsis lacking a chloroplastic isoamylase accumulate phytoglycogen and an abnormal form of amylopectin (2005), Plant Physiol., 138, 184-195.
    View publication on PubMedView publication on EuropePMC
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Localization

Localization Comment Organism GeneOntology No. Textmining

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Arabidopsis thaliana AtISA1 and AtISA2 are required for the production of a functional isoamylase-type of debranching enzyme named Iso1, the major isoamylase found in leaves. The absence of Iso1 leads to an 80% decrease in the starch content and to accumulation of water-soluble polysaccharides whose structure is similar to glycogen ?
-
 ?
additional information Arabidopsis thaliana mutant lines carrying a defect in AtISA3 display a strong starch-excess phenotype at the end of both the light and the dark phases accompanied by a small modification of the amylopectin structure ?
-
 ?

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana O04196
-
-
Arabidopsis thaliana Q8L735
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-
Arabidopsis thaliana Q9M0S5
-
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
 Arabidopsis thaliana
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information AtISA1 and AtISA2 are required for the production of a functional isoamylase-type of debranching enzyme named Iso1, the major isoamylase found in leaves. The absence of Iso1 leads to an 80% decrease in the starch content and to accumulation of water-soluble polysaccharides whose structure is similar to glycogen Arabidopsis thaliana ?
-
 ?
additional information mutant lines carrying a defect in AtISA3 display a strong starch-excess phenotype at the end of both the light and the dark phases accompanied by a small modification of the amylopectin structure Arabidopsis thaliana ?
-
 ?

Synonyms

Synonyms Comment Organism
AtISA1
-
 Arabidopsis thaliana
AtISA2
-
 Arabidopsis thaliana
AtISA3
-
 Arabidopsis thaliana