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Literature summary for 3.2.1.2 extracted from

  • Zhang, H.; Shen, W.B.; Zhang, W.; Xu, L.L.
    A rapid response of beta-amylase to nitric oxide but not gibberellin in wheat seeds during the early stage of germination (2005), Planta, 220, 708-716.
    View publication on PubMed
Search for more literature for 3.2.1.2

Activating Compound

Activating Compound Comment Organism Structure
additional information rapid induction of type II beta-amylase by nitric oxide, from sodium nitroprusside, but not by gibberellin in seeds during the early stage of germination, sodium nitroprusside also directly induces the release of the enzyme from glutenin Triticum aestivum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
starch + H2O Triticum aestivum
-
 maltose + ?
-
 ?

Organism

Organism UniProt Comment Textmining
Triticum aestivum
-
 cv. Yangmai 158, isozymes type I and type II
-

Purification (Commentary)

Purification (Comment) Organism
partially by preparation of enzyme extract and heat treatment at 70°C for 20 min Triticum aestivum

Source Tissue

Source Tissue Comment Organism Textmining
caryopsis
-
 Triticum aestivum
-
endosperm
-
 Triticum aestivum
-
seed
-
 Triticum aestivum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
starch + H2O
-
 Triticum aestivum maltose + ?
-
 ?
starch + H2O soluble starch Triticum aestivum maltose + ?
-
 ?

Synonyms

Synonyms Comment Organism
type I beta-amylase
-
 Triticum aestivum
type II beta-amylase
-
 Triticum aestivum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
 assay at Triticum aestivum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
 assay at Triticum aestivum