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Literature summary for 3.2.1.2 extracted from

  • Chiba, Y.; Kuwashima, T.
    Purification and characterization of alkali-stable beta-amylase from Chinese yam (Nagaimo) tuber (2006), J. Appl. Glycosci., 53, 273-275.
No PubMed abstract available

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
56000
-
1 * 56000, SDS-PAGE Dioscorea oppositifolia

Organism

Organism UniProt Comment Textmining
Dioscorea oppositifolia
-
Thunb.
-

Purification (Commentary)

Purification (Comment) Organism
-
Dioscorea oppositifolia

Source Tissue

Source Tissue Comment Organism Textmining
tuber
-
Dioscorea oppositifolia
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
starch + H2O
-
Dioscorea oppositifolia beta-maltose + ?
-
?

Subunits

Subunits Comment Organism
monomer 1 * 56000, SDS-PAGE Dioscorea oppositifolia

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
45
-
pH 7.5, 30 min, stable Dioscorea oppositifolia

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.6
-
-
Dioscorea oppositifolia

pH Stability

pH Stability pH Stability Maximum Comment Organism
4 12 4°C, 24 h, stable Dioscorea oppositifolia
5
-
2 months, about 80% loss of activity Dioscorea oppositifolia
9.5
-
2 months, 60% loss of activity Dioscorea oppositifolia

pI Value

Organism Comment pI Value Maximum pI Value
Dioscorea oppositifolia chromatofocusing
-
4.5