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Literature summary extracted from

  • Gurielidze, K.; Gogoberidze, M.; Dadeshidze, I.; Vardosanidze, M.; Djaoshvili, M.; Lomkatsi, N.
    Tissue and subcellular localization of oligofurostanosides and their specific degrading beta-glucosidase in Dioscorea caucasica Lipsky (2004), Phytochemistry, 65, 555-559.
    View publication on PubMed

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.21 thylakoid membrane
-
 Dioscorea caucasica 42651
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.21 deltoside + H2O Dioscorea caucasica specific degradation ?
-
 ?
3.2.1.21 oligofurostanosides + H2O Dioscorea caucasica the specific degradation of the oligofurostanosides helps to maintain their furostanol structure of steroid glycosides is necessary for their transport within the leaf and from the leaf to the rhizome ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.21 Dioscorea caucasica
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.21 partially, subcellular fractionation, sucrose density gradient centrifugation Dioscorea caucasica

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.21 epidermis
-
 Dioscorea caucasica
-
3.2.1.21 idioblast epidermal Dioscorea caucasica
-
3.2.1.21 leaf
-
 Dioscorea caucasica
-

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 0.1
-
 chloroplasts, substrate deltoside Dioscorea caucasica
3.2.1.21 1.85
-
 thylakoid membrane, substrate deltoside Dioscorea caucasica

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 aryl beta-glucosidase activity Dioscorea caucasica 4-nitrophenol + beta-D-glucose
-
 ?
3.2.1.21 deltoside + H2O specific degradation Dioscorea caucasica ?
-
 ?
3.2.1.21 deltoside + H2O specific degradation, oligofurostanoside-specific beta-glucosidase Dioscorea caucasica ?
-
 ?
3.2.1.21 additional information the plant contains the oligofurostanoside-specific beta-glucosidase and an aryl beta-glucosidase Dioscorea caucasica ?
-
 ?
3.2.1.21 oligofurostanosides + H2O the specific degradation of the oligofurostanosides helps to maintain their furostanol structure of steroid glycosides is necessary for their transport within the leaf and from the leaf to the rhizome Dioscorea caucasica ?
-
 ?
3.2.1.21 oligofurostanosides + H2O specific degradation by the oligofurostanoside-specific beta-glucosidase Dioscorea caucasica ?
-
 ?

Synonyms

EC Number Synonyms Comment Organism
3.2.1.21 oligofurostanoside-specific beta-glucosidase
-
 Dioscorea caucasica

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.21 37
-
 assay at Dioscorea caucasica

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.21 6.8
-
 assay at Dioscorea caucasica