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Literature summary extracted from

  • Kumar, L.; Subramanian, G.; Ayyadurai, S.; Sharma, T.; Singh, S.; Meenakshi, R.
    Studies on a maltohexaose (G6) producing alkaline amylase from a novel alkalophilic Streptomyces species (2012), IIOAB J., 3, 15-30.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.2.1.98 2-mercaptoethanol
-
Streptomyces sp.
3.2.1.98 L-cysteine
-
Streptomyces sp.

Application

EC Number Application Comment Organism
3.2.1.98 food industry the enzyme preparation is effective in removing starch based stains Streptomyces sp.

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.98 EDTA approximately 50% loss of activity in the presence of 2 mM EDTA Streptomyces sp.

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.1.98 Ca2+ essential for activity and protein folding Streptomyces sp.

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.98 36300
-
1 * 36920 + 1 * 36300 , estimated from native PAGE Streptomyces sp.
3.2.1.98 36920
-
1 * 36920 + 1 * 36300 , estimated from native PAGE Streptomyces sp.

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.98 starch + H2O Streptomyces sp.
-
maltohexaose + maltotetrose + maltotriose + maltose the predominant products are maltohexaose (48%) followed by maltotetrose, maltotriose and maltose ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.98 Streptomyces sp.
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.98 starch + H2O
-
Streptomyces sp. maltohexaose + maltotetrose + maltotriose + maltose the predominant products are maltohexaose (48%) followed by maltotetrose, maltotriose and maltose ?

Subunits

EC Number Subunits Comment Organism
3.2.1.98 heterodimer 1 * 36920 + 1 * 36300 , estimated from native PAGE Streptomyces sp.

Synonyms

EC Number Synonyms Comment Organism
3.2.1.98 maltohexaose producing alkaline amylase
-
Streptomyces sp.

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.98 45
-
-
Streptomyces sp.

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
3.2.1.98 40 50
-
Streptomyces sp.

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.98 9
-
-
Streptomyces sp.

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.98 7 10
-
Streptomyces sp.

pI Value

EC Number Organism Comment pI Value Maximum pI Value
3.2.1.98 Streptomyces sp. isoelectric focusing
-
6.3

Expression

EC Number Organism Comment Expression
3.2.1.98 Streptomyces sp. soluble starch as well as raw starch induce the enzyme expression, induction being higher with raw starch up