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Literature summary extracted from

  • Deshpande, V.; Erikson, K.E.
    1,4-beta-glucosidases of Sporotrichum pulverulentum (1988), Methods Enzymol., 160, 415-424.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.21 D-glucono-1,5-lactone competitive inhibition, Ki: 0.0004 mM for enzyme A, Ki: 0.0015 mM for enzyme B, Ki: 0.12 mM for cell wall bound enzyme Sporotrichum pulverulentum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.21 0.002
-
4-nitrophenyl-beta-D-glucopyranoside cell wall bound enzyme Sporotrichum pulverulentum
3.2.1.21 0.15
-
4-nitrophenyl-beta-D-glucopyranoside for enzyme A Sporotrichum pulverulentum
3.2.1.21 0.21
-
4-nitrophenyl-beta-D-glucopyranoside for enzyme B Sporotrichum pulverulentum
3.2.1.21 3.7
-
cellobiose for enzyme B Sporotrichum pulverulentum
3.2.1.21 4.5
-
cellobiose for enzyme A Sporotrichum pulverulentum

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.21 extracellular high extracellular activities, if cellulose serves as carbon source Sporotrichum pulverulentum
-
-
3.2.1.21 membrane cell bound activity if cellobiose dominating in the medium Sporotrichum pulverulentum 16020
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.21 165000 182000 gel filtration, five different forms in culture filtrate Sporotrichum pulverulentum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.21 4-O-beta-D-glucopyranosyl-D-glucose + H2O Sporotrichum pulverulentum cellobiose beta-D-glucose + D-glucose
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.21 Sporotrichum pulverulentum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.21 to homogeneity, five different extracellular forms, chromatography steps Sporotrichum pulverulentum

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.21 cell culture five different forms in culture filtrate, 1 form cell-wall bound Sporotrichum pulverulentum
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.21 79 102 5 different forms from culture filtrate Sporotrichum pulverulentum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.21 4-nitrophenyl beta-D-glucopyranoside + H2O
-
Sporotrichum pulverulentum 4-nitrophenol + D-glucopyranose
-
?
3.2.1.21 4-O-beta-D-glucopyranosyl-D-glucose + H2O cellobiose Sporotrichum pulverulentum beta-D-glucose + D-glucose
-
?
3.2.1.21 cellobiose + H2O
-
Sporotrichum pulverulentum 2 beta-D-glucose
-
?

Synonyms

EC Number Synonyms Comment Organism
3.2.1.21 1,4-beta-glucosidase
-
Sporotrichum pulverulentum