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Literature summary extracted from

  • Cossegal, M.; Chambrier, P.; Mbelo, S.; Balzergue, S.; Martin-Magniette, M.L.; Moing, A.; Deborde, C.; Guyon, V.; Perez, P.; Rogowsky, P.
    Transcriptional and metabolic adjustments in ADP-glucose pyrophosphorylase-deficient bt2 maize kernels (2008), Plant Physiol., 146, 1553-1570.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
2.7.7.27 the flanking sequences of the mutant bt2-H2328 are cloned and sequenced Zea mays

Protein Variants

EC Number Protein Variants Comment Organism
2.7.7.27 bt2-H2328 mutant, an insertion is located in exon 6 of the Bt2 gene generating a 9-bp duplication of bases TGATGTGAC, position 4,422 - 4,431, a comparative transcriptome analysis of wild-type and bt2-H2328 kernels at mid-development leads to the conclusion that the lack of Bt2-encoded AGPase triggers large-scale changes on the transcriptional level that concern mainly genes involved in carbohydrate or amino acid metabolic pathways Zea mays

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.7.7.27 cytoplasm Bt2a, transcript coding for the cytoplasmic isoform, almost exclusively expressed in the developing endosperm Zea mays 5737
-
2.7.7.27 plastid Bt2a, alternative transcript coding for a plastidial isoform Zea mays 9536
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.7.7.27 ATP + alpha-D-glucose 1-phosphate Zea mays
-
diphosphate + ADP-glucose
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.7.7.27 Zea mays Q947C0
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.7.7.27 endosperm
-
Zea mays
-
2.7.7.27 kernel
-
Zea mays
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.7.7.27 ATP + alpha-D-glucose 1-phosphate
-
Zea mays diphosphate + ADP-glucose
-
?

Synonyms

EC Number Synonyms Comment Organism
2.7.7.27 ADP-glucose pyrophosphorylase
-
Zea mays
2.7.7.27 AGPase
-
Zea mays
2.7.7.27 BT2 small subunit of AGPase Zea mays

Cofactor

EC Number Cofactor Comment Organism Structure
2.7.7.27 ATP
-
Zea mays

General Information

EC Number General Information Comment Organism
2.7.7.27 malfunction a lack of Bt2-encoded AGPase triggers large-scale changes on the transcriptional level that concern mainly genes involved in carbohydrate or amino acid metabolic pathways Zea mays
2.7.7.27 physiological function ADP-glucose pyrophosphorylase is a key regulatory enzyme in starch synthesis Zea mays