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Literature summary for 2.4.1.21 extracted from

  • Crofts, N.; Sugimoto, K.; Oitome, N.F.; Nakamura, Y.; Fujita, N.
    Differences in specificity and compensatory functions among three major starch synthases determine the structure of amylopectin in rice endosperm (2017), Plant Mol. Biol., 94, 399-417 .
    View publication on PubMed
Search for more literature for 2.4.1.21

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ADP-alpha-D-glucose + [(1->4)-alpha-D-glucosyl]n Oryza sativa
-
 ADP + [(1->4)-alpha-D-glucosyl]n+1
-
 ?

Organism

Organism UniProt Comment Textmining
Oryza sativa
-
 cultivars IR36 and Nipponbare
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Source Tissue

Source Tissue Comment Organism Textmining
endosperm
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 Oryza sativa
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ADP-alpha-D-glucose + amylopectin
-
 Oryza sativa ADP + ?
-
 ?
ADP-alpha-D-glucose + [(1->4)-alpha-D-glucosyl]n
-
 Oryza sativa ADP + [(1->4)-alpha-D-glucosyl]n+1
-
 ?
additional information isoform SSI cannot compensate for the function of isoform SSIIa and elongation of DP higher 30 by isoform SSIIIa Oryza sativa ?
-
-
additional information isoform SSIIa preferentially elongates outer but not inner chains of amylopectin. Isoform SSIIa can complement most isoform SSI functions that use glucan chains with DP 6-7 to generate DP 8-12 chains but cannot fully compensate for the elongation of DP 16-19 chains. Isoform SSIIa cannot compensate for elongation of DP higher 30 by isoform SSIIIa Oryza sativa ?
-
-
additional information isoform SSIIIa cannot compensate for the function of isoform SSIIa Oryza sativa ?
-
-

Synonyms

Synonyms Comment Organism
SSI isoform Oryza sativa
SSII(a) isoform Oryza sativa
SSIII(a) isoform Oryza sativa
starch synthase
-
 Oryza sativa