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Literature summary for 1.10.3.6 extracted from

  • Lee, G.M.; Choi, C.Y.
    The properties of immobilized whole cell of Humicola spp. with rifamycin oxydase activity (1984), Biotechnol. Lett., 6, 143-148.
No PubMed abstract available

Application

Application Comment Organism
medicine rifamycin is used for the treatment of tuberculosis Humicola spp.

Inhibitors

Inhibitors Comment Organism Structure
Rifamycin B
-
Humicola spp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.3
-
Rifamycin B free acetone-defatted cells Humicola spp.
0.6
-
Rifamycin B immobilized acetone-defatted cells Humicola spp.

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
rifamycin B + O2 Humicola spp.
-
rifamycin O + H2O2
-
?

Organism

Organism UniProt Comment Textmining
Humicola spp.
-
ATCC 20620
-

Reaction

Reaction Comment Organism Reaction ID
rifamycin B + O2 = rifamycin O + H2O2 immobilized enzyme Humicola spp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
rifamycin B + O2
-
Humicola spp. rifamycin O + H2O2
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
assay at Humicola spp.
50
-
-
Humicola spp.

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
pH 8.0, half life time of 8 days Humicola spp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Humicola spp.

pH Range

pH Minimum pH Maximum Comment Organism
5 10
-
Humicola spp.

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
19.6
-
Rifamycin B immobilized acetone-defatted cells Humicola spp.