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Literature summary for 3.4.14.4 extracted from

  • Lee, C.M.; Snyder, S.H.
    Dipeptidyl-aminopeptidase III of rat brain. Selective affinity for enkephalin and angiotensin (1982), J. Biol. Chem., 257, 12043-12050.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Arg-Arg
-
Rattus norvegicus
iodoacetamide
-
Rattus norvegicus
N-ethylmaleimide
-
Rattus norvegicus
p-chloromercuribenzoate
-
Rattus norvegicus
Tyr-Arg
-
Rattus norvegicus
Tyr-Tyr
-
Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0057
-
Leu-enkephalin
-
Rattus norvegicus
0.022
-
Arg-Arg-4-methoxy-2-naphthylamide
-
Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Rattus norvegicus 5829
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
80000 86000 gel filtration Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
brain regional distribution Rattus norvegicus
-
additional information
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Arg-Arg-4-methoxy-2-naphthylamide + H2O
-
Rattus norvegicus Arg-Arg + 4-methoxy-2-naphthylamine
-
?
Leu-enkephalin + H2O
-
Rattus norvegicus Tyr-Gly + Gly-Phe-Leu
-
?
Lys-Ala-4-methoxy-2-naphthylamide + H2O
-
Rattus norvegicus Lys-Ala + 4-methoxy-2-naphthylamine
-
?
additional information hydrolysis depending on type of amino acid and chain length Rattus norvegicus ?
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
5 min, 60% activity Rattus norvegicus
75
-
5 min, 10% activity Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9
-
substrate Arg-Arg-p-nitroanilide or Arg-Arg-2-naphthylamide Rattus norvegicus

pH Range

pH Minimum pH Maximum Comment Organism
6.5 10.5 more than 15% of maximal activity Rattus norvegicus