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Literature summary for 3.5.3.1 extracted from

  • da Silva, E.R.; da Silva, M.F.; Fischer, H.; Mortara, R.A.; Mayer, M.G.; Framesqui, K.; Silber, A.M.; Floeter-Winter, L.M.
    Biochemical and biophysical properties of a highly active recombinant arginase from Leishmania (Leishmania) amazonensis and subcellular localization of native enzyme (2008), Mol. Biochem. Parasitol., 159, 104-111.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21 cells Leishmania amazonensis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
21.5
-
L-arginine native enzyme Leishmania amazonensis
23.9
-
L-arginine native enzyme Leishmania amazonensis

Localization

Localization Comment Organism GeneOntology No. Textmining
glycosome
-
Leishmania amazonensis 20015
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+ a manganese wash at room temperature is the best condition to purify active enzyme, activity in the presence of 10 mM Mn2+ is at least 15fold higher than in the absence of Mn2+ Leishmania amazonensis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-arginine + H2O Leishmania amazonensis
-
L-ornithine + urea
-
?

Organism

Organism UniProt Comment Textmining
Leishmania amazonensis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
HiTrap Ni2+-chelating Sepharose column chromatography Leishmania amazonensis

Source Tissue

Source Tissue Comment Organism Textmining
promastigote
-
Leishmania amazonensis
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
33
-
homogenate supernatant, in the presence of 10 mM Mn2+ Leishmania amazonensis
1140
-
35fold purified recombinant enzyme, in the presence of 10 mM Mn2+ Leishmania amazonensis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-arginine + H2O
-
Leishmania amazonensis L-ornithine + urea
-
?

Subunits

Subunits Comment Organism
trimer the trimeric state is the active form of the protein, X-ray scattering Leishmania amazonensis

Synonyms

Synonyms Comment Organism
L-arginine amidinohydrolase
-
Leishmania amazonensis