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Literature summary extracted from

  • Chauhan, N.; Hooda, V.; Pundir, C.
    In vitro effects of metal oxide nanoparticles on barley oxalate oxidase (2013), J. Nanopart. Res., 15, 1493.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
1.2.3.4 diethyldithiocarbamate 35% increase of activity at 1 mM Hordeum vulgare
1.2.3.4 DW 1750000 21% increase of activity at 1 mM Hordeum vulgare
1.2.3.4 additional information compared to free enzyme, MnO2 nanoparticles(NP)-bound enzyme shows improved activity (35% stimulation at 2.5 mg/ml) while ZnO NPs- and CuO NPs-bound enzymes have no substantial improvement Hordeum vulgare

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.2.3.4 Ca2+ 92% residual activity at 1 mM Hordeum vulgare
1.2.3.4 K+ 94% residual activity at 1 mM Hordeum vulgare
1.2.3.4 additional information not influenced by EDTA, NaCl, and MgSO4 Hordeum vulgare
1.2.3.4 NEM 92% residual activity at 1 mM Hordeum vulgare
1.2.3.4 Sodium azide 86% residual activity at 1 mM Hordeum vulgare
1.2.3.4 Sodium molybdate 71% residual activity at 1 mM Hordeum vulgare
1.2.3.4 Sodium nitrate 45% residual activity at 1 mM Hordeum vulgare
1.2.3.4 sodium thiocyanate 72% residual activity at 1 mM Hordeum vulgare
1.2.3.4 ZnSO4 90% residual activity at 1 mM Hordeum vulgare

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.2.3.4 Cu2+ 21% increase of activity at 1 mM Hordeum vulgare
1.2.3.4 Fe2+ 10% increase of activity at 1 mM Hordeum vulgare
1.2.3.4 Mn2+ 37% increase of activity at 1 mM Hordeum vulgare

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.2.3.4 oxalate + O2 + H+ Hordeum vulgare
-
CO2 + H2O2
-
?
1.2.3.4 oxalate + O2 + H+ Hordeum vulgare BH393
-
CO2 + H2O2
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.2.3.4 Hordeum vulgare
-
-
-
1.2.3.4 Hordeum vulgare BH393
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.2.3.4 DEAE-Sephacel column chromatography and Sephadex G-100 gel filtration Hordeum vulgare

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.2.3.4 root
-
Hordeum vulgare
-

Storage Stability

EC Number Storage Stability Organism
1.2.3.4 4-8°C, 90 days, native enzyme, up to 70% loss of activity Hordeum vulgare

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.2.3.4 oxalate + O2 + H+
-
Hordeum vulgare CO2 + H2O2
-
?
1.2.3.4 oxalate + O2 + H+
-
Hordeum vulgare BH393 CO2 + H2O2
-
?

Synonyms

EC Number Synonyms Comment Organism
1.2.3.4 oxalate: O2 oxidoreductase
-
Hordeum vulgare
1.2.3.4 OXO
-
Hordeum vulgare

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.2.3.4 35
-
nanoparticle-bound enzyme Hordeum vulgare
1.2.3.4 40
-
free enzyme Hordeum vulgare

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
1.2.3.4 70
-
metal oxide nanoparticles(NP)-bound enzyme retains more activity when subjected to thermal treatment at 70°C for 30 min., retention of activity in the increasing order being 54%, 65%, 76%, and 87% for native, ZnO NPs-, CuO NPs-, and MnO2 NPs-bound enzyme, respectively Hordeum vulgare

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.2.3.4 3.2
-
free enzyme Hordeum vulgare
1.2.3.4 4
-
nanoparticle-bound enzyme Hordeum vulgare

Cofactor

EC Number Cofactor Comment Organism Structure
1.2.3.4 additional information FMN, FAD, NAD+, and riboflavin at 1 mM in the presence of nanoparticles have practically no effect on native and immobilized enzymes Hordeum vulgare