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Literature summary for 3.2.1.4 extracted from

  • MacLachlan, G.
    beta-Glucanases from Pisum sativum (1988), Methods Enzymol., 160, 382-391.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Pisum sativum

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular concentrated extracellularly on the inner surface of the young wall, 1,4-beta-glucanase II Pisum sativum
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
15000
-
x * 15000, 1,4-beta-glucanase I, SDS-PAGE Pisum sativum
21000
-
1,4-beta-glucanase I, gel filtration Pisum sativum
70000
-
x * 70000, 1,4-beta-glucanase II, SDS-PAGE Pisum sativum
71000
-
1,4-beta-glucanase II, gel filtration Pisum sativum

Organism

Organism UniProt Comment Textmining
Pisum sativum
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
no modification contains less than 1% carbohydrate Pisum sativum

Purification (Commentary)

Purification (Comment) Organism
1,4-beta-glucanase I and II Pisum sativum

Source Tissue

Source Tissue Comment Organism Textmining
stem enzyme is generated in apical growing regions of pea stem following treatment with hormones Pisum sativum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cellohexaose + H2O
-
Pisum sativum additional information cellotriose is formed and then slowly degraded ?
cellopentaose + H2O
-
Pisum sativum additional information
-
?
cellotetraose + H2O
-
Pisum sativum 2 cellobiose
-
?
cellotriose + H2O
-
Pisum sativum D-glucose + cellobiose
-
?
glucan + H2O barley beta-glucan Pisum sativum ?
-
?
lichenan + H2O
-
Pisum sativum ?
-
?
additional information no activity with cellobiose Pisum sativum ?
-
?

Subunits

Subunits Comment Organism
? x * 70000, 1,4-beta-glucanase II, SDS-PAGE Pisum sativum
? x * 15000, 1,4-beta-glucanase I, SDS-PAGE Pisum sativum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6 6.5 1,4-beta-glucanase I and II Pisum sativum