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Literature summary for 3.4.22.35 extracted from

  • Jacobs, T.; Bruchhaus, I.; Dankebar, T.; Tannich, E.; Leippe, M.
    Isolation and molecular characterization of a surface-bound proteinase of Entamoeba histolytica (1998), Mol. Microbiol., 27, 169-276.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
Liposomes association increases activity about 2fold Entamoeba histolytica

Cloned(Commentary)

Cloned (Comment) Organism
DNA and amino acid sequence determination Entamoeba histolytica

Inhibitors

Inhibitors Comment Organism Structure
iodoacetamide
-
Entamoeba histolytica
p-hydroxymercuribenzoate
-
Entamoeba histolytica
trans-epoxysuccinyl-L-leucylamido-(4-guanidino)butane i.e. E64 Entamoeba histolytica

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular bound to the host cell surface Entamoeba histolytica
-
-
membrane associated by hydrophobic interaction Entamoeba histolytica 16020
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
protein + H2O Entamoeba histolytica enzyme is involved in pathogenic destruction of host tissue by degradation of extracellular matrix proteins peptides
-
?

Organism

Organism UniProt Comment Textmining
Entamoeba histolytica Q95030 enzyme is termed CP5
-

Purification (Commentary)

Purification (Comment) Organism
to homogeneity Entamoeba histolytica

Source Tissue

Source Tissue Comment Organism Textmining
trophozoite
-
Entamoeba histolytica
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
470
-
purified enzyme Entamoeba histolytica
890
-
purified enzyme associated to liposomes Entamoeba histolytica

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
benzyloxycarbonyl-L-arginyl-L-arginine 4-nitroanilide + H2O
-
Entamoeba histolytica benzyloxycarbonyl-L-arginyl-L-arginine + 4-nitroaniline
-
?
complement factor C3 + H2O
-
Entamoeba histolytica peptides product determination ?
complement factor C9 + H2O
-
Entamoeba histolytica peptides product determination ?
fibronectin + H2O
-
Entamoeba histolytica peptides product determination ?
immunoglobulin G + H2O
-
Entamoeba histolytica peptides derived from immunoglobulin G product determination ?
additional information no activity with peptide substrates containing phenylalanine at P2 position instead of arginine Entamoeba histolytica ?
-
?
protein + H2O enzyme is involved in pathogenic destruction of host tissue by degradation of extracellular matrix proteins Entamoeba histolytica peptides
-
?

Subunits

Subunits Comment Organism
More three-dimensional structure modeling Entamoeba histolytica

Synonyms

Synonyms Comment Organism
CP5
-
Entamoeba histolytica
More enzyme is a member of the cysteine proteinase family Entamoeba histolytica

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6 8
-
Entamoeba histolytica

pI Value

Organism Comment pI Value Maximum pI Value
Entamoeba histolytica
-
-
8.12