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Literature summary for 3.4.21.89 extracted from

  • Ichihara, S.; Suzuki, T.; Suzuki, M.; Mizushima, S.
    Molecular cloning and sequencing of the sppA gene and characterization of the encoded protease IV, a signal peptide peptidase, of Escherichia coli (1986), J. Biol. Chem., 261, 9405-9411.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
isoenzyme protease IV overexpressed in Escherichia coli, gene sppA Escherichia coli

Inhibitors

Inhibitors Comment Organism Structure
antipain
-
Escherichia coli

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm
-
Escherichia coli 5737
-
membrane
-
Escherichia coli 16020
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
67000
-
SDS-PAGE Escherichia coli
67240
-
hypothetical polypeptide sequence deduced from the DNA sequence Escherichia coli
268000
-
protease IV, gel filtration Escherichia coli
640000
-
protease IV, determined in presence of Triton X-100 Escherichia coli

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
13.6
-
-
Escherichia coli

Subunits

Subunits Comment Organism
tetramer
-
Escherichia coli

Synonyms

Synonyms Comment Organism
protease IV
-
Escherichia coli