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Literature summary for 4.98.1.1 extracted from

  • Taketani, Sh.; Tokunaga, R.
    Rat liver ferrochelatase. Purification, properties, and stimulation by fatty acids (1981), J. Biol. Chem., 256, 12748-12753.
    View publication on PubMed

General Stability

General Stability Organism
in absence of dithiothreitol or glycerol enzyme activity diminishes rapidly Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
Co2+
-
Rattus norvegicus
Cu2+
-
Rattus norvegicus
iodoacetamide
-
Rattus norvegicus
Mn2+
-
Rattus norvegicus
Pb2+
-
Rattus norvegicus
sulfhydryl reagents
-
Rattus norvegicus
Zn2+
-
Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0267
-
mesoporphyrin IX
-
Rattus norvegicus
0.0285
-
protoporphyrin IX
-
Rattus norvegicus
0.0331
-
Fe2+ cosubstrate protoporphyrin Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
mitochondrion inner membrane Rattus norvegicus 5739
-

Metals/Ions

Metals/Ions Comment Organism Structure
Cu2+ inhibition Rattus norvegicus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
42000
-
1 * 42000, SDS-PAGE Rattus norvegicus
240000
-
gel filtration Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Oxidation Stability

Oxidation Stability Organism
glutathione, cysteine, dithiothreitol protect against autooxidation Rattus norvegicus

Posttranslational Modification

Posttranslational Modification Comment Organism
side-chain modification lipoprotein, purified enzyme contains 0.5-1.9 mg fatty acids per mg protein Rattus norvegicus

Purification (Commentary)

Purification (Comment) Organism
-
Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-

Storage Stability

Storage Stability Organism
additional information Rattus norvegicus
stable for at 1 month, -25°C, 50% loss of activity, 4°C, 1 week Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
mesoporphyrin IX + Fe2+
-
Rattus norvegicus mesoheme + 2 H+
-
?
protoporphyrin + Fe2+
-
Rattus norvegicus protoheme + 2 H+
-
?

Subunits

Subunits Comment Organism
? 1 * 42000, SDS-PAGE Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8
-
-
Rattus norvegicus

pH Range

pH Minimum pH Maximum Comment Organism
6.8 9.5
-
Rattus norvegicus