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Literature summary for 3.2.1.2 extracted from

  • Doehlert, D.C.; Duke, S.H.; Anderson, L.
    beta-Amylases from alfalafa (Medicago sativa L.) Roots (1982), Plant Physiol., 69, 1096-1102.
    View publication on PubMedView publication on EuropePMC
Search for more literature for 3.2.1.2

Inhibitors

Inhibitors Comment Organism Structure
maltose inhibits light amylase Medicago sativa

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
 additional information 5.9 mg/ml for soluble starch, light amylase. 6.8 mg/ml for soluble starch for soluble starch, heavy amylase Medicago sativa

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
41700
-
 light amylase, gel filtration Medicago sativa
65700
-
 heavy amylase, gel filtration Medicago sativa

Organism

Organism UniProt Comment Textmining
Medicago sativa
-
 L. cv. sonora
-

Source Tissue

Source Tissue Comment Organism Textmining
root tap root Medicago sativa
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
amylopectin + H2O
-
 Medicago sativa beta-maltose + ?
-
 ?
amylose + H2O
-
 Medicago sativa beta-maltose
-
 ?
additional information no hydrolysis of beta-limit dextrin Medicago sativa ?
-
 ?
additional information no activity with pullulan Medicago sativa ?
-
 ?
starch + H2O soluble Medicago sativa maltose + ?
-
 ?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
 Medicago sativa