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Literature summary for 3.2.1.39 extracted from

  • Kumagai, Y.; Ojima, T.
    Enzymatic properties and the primary structure of a beta-1,3-glucanase from the digestive fluid of the Pacific abalone Haliotis discus hannai (2009), Comp. Biochem. Physiol. B, 154, 113-120.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
HdLam33, DNA and amino acid sequence determination and analysis Haliotis discus hannai

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Haliotis discus hannai
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
33000
-
x * 33000, HdLam33, SDS-PAGE, x * 36866, Hdlam33, sequence calculation Haliotis discus hannai
36866
-
x * 33000, HdLam33, SDS-PAGE, x * 36866, Hdlam33, sequence calculation Haliotis discus hannai

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
laminarin + H2O Haliotis discus hannai
-
laminaribiose + beta-D-glucose
-
?
laminarioligosaccharide + H2O Haliotis discus hannai substrate specificities and products, overview laminaribiose + beta-D-glucose
-
?

Organism

Organism UniProt Comment Textmining
Haliotis discus hannai C6L684 Pacific abalone
-

Purification (Commentary)

Purification (Comment) Organism
native HdLam33 340fold from digestive fluid by ammonium sulfate fractionation, hydrophobic interaction and cation exchange chromatography, and gel filtration Haliotis discus hannai

Source Tissue

Source Tissue Comment Organism Textmining
digestive juice
-
Haliotis discus hannai
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
68
-
purified enzyme Haliotis discus hannai

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
laminarin + H2O
-
Haliotis discus hannai laminaribiose + beta-D-glucose
-
?
laminarioligosaccharide + H2O
-
Haliotis discus hannai laminaribiose + beta-D-glucose
-
?
laminarioligosaccharide + H2O substrate specificities and products, overview Haliotis discus hannai laminaribiose + beta-D-glucose
-
?
additional information HdLam33 possesses transglycosylation activity splitting glycoside linkage in a retaining manner, overview. It also shows activity of EC 3.2.1.6, endo-1,3(4)-beta-glucanase Haliotis discus hannai ?
-
?

Subunits

Subunits Comment Organism
? x * 33000, HdLam33, SDS-PAGE, x * 36866, Hdlam33, sequence calculation Haliotis discus hannai

Synonyms

Synonyms Comment Organism
beta-1,3-glucanase
-
Haliotis discus hannai
endo-1,3;4-beta-glucanase
-
Haliotis discus hannai
HdLam33
-
Haliotis discus hannai
More the enzyme belongs to the glycoside hydrolase family 16 Haliotis discus hannai

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Haliotis discus hannai

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
40 70
-
Haliotis discus hannai

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
Haliotis discus hannai

pH Range

pH Minimum pH Maximum Comment Organism
4 9.5
-
Haliotis discus hannai