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Literature summary extracted from

  • Labbe, P.
    Purification and properties of coproporphyrinogen III oxidase from yeast (1997), Methods Enzymol., 281, 367-378.
    View publication on PubMed

General Stability

EC Number General Stability Organism
1.3.3.3 when incubated with 3 M urea, the enzyme is slowly denatured at pH 6.3 and much faster at pH 7.6 Saccharomyces cerevisiae

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.3.3.3 coproporphyrin III competitive inhibitor Saccharomyces cerevisiae
1.3.3.3 N-bromosuccinimide
-
Saccharomyces cerevisiae

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.3.3.3 cytosol
-
Saccharomyces cerevisiae 5829
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.3.3.3 35000
-
2 * 35000, SDS-PAGE Saccharomyces cerevisiae
1.3.3.3 70000
-
gel filtration Saccharomyces cerevisiae

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.3.3.3 coproporphyrinogen III + O2 Saccharomyces cerevisiae
-
coproporphyrin III + H2O
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.3.3.3 Saccharomyces cerevisiae P11353
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.3.3.3 ammonium sulfate precipitation, DEAE-Sepharose column chromatography, and Ultrogel Ac44 gel filtration Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.3.3.3 0.00925
-
unpurified enzyme, at pH 7.6 and 25°C Saccharomyces cerevisiae
1.3.3.3 0.08483
-
purified enzyme, at pH 7.6 and 25°C Saccharomyces cerevisiae

Storage Stability

EC Number Storage Stability Organism
1.3.3.3 -20°C, 1% (w/v) NaN3 (100 mM Tris, pH 7.6), several years, no loss of activity Saccharomyces cerevisiae
1.3.3.3 25°C, 1% (w/v) NaN3 (100 mM Tris, pH 7.6), several months, no loss of activity Saccharomyces cerevisiae

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.3.3.3 coproporphyrinogen III + O2
-
Saccharomyces cerevisiae coproporphyrin III + H2O
-
?
1.3.3.3 additional information no anaerobic activity is detected using NADP+ and S-adenosylmethionine Saccharomyces cerevisiae ?
-
?

Subunits

EC Number Subunits Comment Organism
1.3.3.3 homodimer 2 * 35000, SDS-PAGE Saccharomyces cerevisiae

Synonyms

EC Number Synonyms Comment Organism
1.3.3.3 coproporphyrinogen III oxidase
-
Saccharomyces cerevisiae
1.3.3.3 CPO
-
Saccharomyces cerevisiae
1.3.3.3 HEM13
-
Saccharomyces cerevisiae

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
1.3.3.3 56
-
a 2 minute incubation of the protein at 56°C leads to a total loss of enzymatic activity Saccharomyces cerevisiae

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.3.3.3 7.6
-
-
Saccharomyces cerevisiae

pI Value

EC Number Organism Comment pI Value Maximum pI Value
1.3.3.3 Saccharomyces cerevisiae isoelectric focusing
-
6.2