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Literature summary for 3.2.1.2 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
Search for more literature for 3.2.1.2

Cloned(Commentary)

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

Inhibitors

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

Localization

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

Metals/Ions

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

Natural Substrates/ Products (Substrates)

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

Organism

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

Source Tissue

Source Tissue Comment Organism Textmining
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)

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

Temperature Optimum [°C]

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

Temperature Range [°C]

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

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
 Halobacillus sp.

pH Range

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