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Literature summary extracted from

  • Ai, D.; Cheng, S.; Chang, H.; Yang, T.; Wang, G.; Yu, C.
    Gene cloning, prokaryotic expression, and biochemical characterization of a soluble trehalase in Helicoverpa armigera Huebner (Lepidoptera Noctuidae) (2018), J. Insect Sci., 18, 22.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.2.1.28 expressed in Escherichia coli Helicoverpa armigera

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.28 castanospermine effective competitive inhibitor of trehalase, completely inhibited by 0.001 mM Helicoverpa armigera

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.28 72.8
-
alpha,alpha-trehalose 55°C, pH 7.4 Helicoverpa armigera

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.28 65610
-
calculated from sequence Helicoverpa armigera
3.2.1.28 71000
-
SDS-PAGE Helicoverpa armigera

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.28 alpha,alpha-trehalose + H2O Helicoverpa armigera trehalase is an indispensable component of insect hemolymph that plays important role in energy metabolism and stress resistance beta-D-glucose + alpha-D-glucose
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.28 Helicoverpa armigera A0A0F6PAZ3 Hübner
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.28 nickel exchange chromatography Helicoverpa armigera

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.28 alpha,alpha-trehalose + H2O
-
Helicoverpa armigera beta-D-glucose + alpha-D-glucose
-
?
3.2.1.28 alpha,alpha-trehalose + H2O trehalase is an indispensable component of insect hemolymph that plays important role in energy metabolism and stress resistance Helicoverpa armigera beta-D-glucose + alpha-D-glucose
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.28 ? x * 71000, SDS-PAGE Helicoverpa armigera

Synonyms

EC Number Synonyms Comment Organism
3.2.1.28 HaTreh-1
-
Helicoverpa armigera

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.28 55
-
-
Helicoverpa armigera

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
3.2.1.28 37 60 37°C: about 60% of maximal activity, 60°C: about 90% of maximal activity Helicoverpa armigera

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.28 6
-
-
Helicoverpa armigera

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.28 4 7 pH 4.0: about 90% of maximal activity, pH 7.0: about 30% of maximal activity Helicoverpa armigera

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
3.2.1.28 0.0067
-
castanospermine 55°C, pH 7.4 Helicoverpa armigera

pI Value

EC Number Organism Comment pI Value Maximum pI Value
3.2.1.28 Helicoverpa armigera calculated from sequence
-
5.02

General Information

EC Number General Information Comment Organism
3.2.1.28 physiological function trehalase is an indispensable component of insect hemolymph that plays important role in energy metabolism and stress resistance Helicoverpa armigera