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Literature summary extracted from

  • Li, X.; Yu, H.
    Extracellular production of beta-amylase by a halophilic isolate, Halobacillus sp. LY9 (2011), J. Ind. Microbiol. Biotechnol., 38, 1837-1843.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.2.1.2 DNA and amino acid sequence determination and analysis, phylogenetic analysis Halobacillus sp.

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.2 Cu2+
-
Halobacillus sp.
3.2.1.2 diethyl dicarbonate complete inhibition Halobacillus sp.
3.2.1.2 EDTA
-
Halobacillus sp.
3.2.1.2 Fe3+
-
Halobacillus sp.
3.2.1.2 Hg2+
-
Halobacillus sp.
3.2.1.2 additional information PMSF and 2-mercaptoethanol have no significant effect on the amylase activity Halobacillus sp.
3.2.1.2 Phenylarsine oxide complete inhibition Halobacillus sp.
3.2.1.2 Zn2+
-
Halobacillus sp.

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.2 extracellular the enzyme is secreted Halobacillus sp.
-
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.1.2 Ca2+ activates Halobacillus sp.
3.2.1.2 NaCl activates, best at 10-12% activity drops off dramatically at low NaCl concentrations Halobacillus sp.

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.2 additional information Halobacillus sp. maltose is the main product of soluble starch hydrolysis ?
-
?
3.2.1.2 additional information Halobacillus sp. LY9 maltose is the main product of soluble starch hydrolysis ?
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.2 Halobacillus sp.
-
isolated from soil sample from a salt lake obtained from Yuncheng, China
-
3.2.1.2 Halobacillus sp. LY9
-
isolated from soil sample from a salt lake obtained from Yuncheng, China
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.2 additional information beta-amylase production starts from the post-exponential phase of bacterial growth and reached a maximum level during the early-stationary phase Halobacillus sp.
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.2 additional information maltose is the main product of soluble starch hydrolysis Halobacillus sp. ?
-
?
3.2.1.2 additional information maltose is the main product of soluble starch hydrolysis Halobacillus sp. LY9 ?
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.2 60
-
-
Halobacillus sp.

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
3.2.1.2 50 70 activity range Halobacillus sp.

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.2 8
-
-
Halobacillus sp.

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.2 4 12 activity range Halobacillus sp.