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Literature summary for 3.4.22.40 extracted from

  • Basten, D.E.J.W.; Dekker, P.J.T.; Schaap, P.J.
    Aminopeptidase C of Aspergillus niger is a novel phenylalanine aminopeptidase (2003), Appl. Environ. Microbiol., 1246-1250, 69.
No PubMed abstract available

Cloned(Commentary)

Cloned (Comment) Organism
-
Aspergillus niger

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Aspergillus niger
-
-
intracellular
-
Aspergillus niger 5622
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
72000
-
x * 72000, SDS-PAGE and deduced from gene sequence Aspergillus niger

Organism

Organism UniProt Comment Textmining
Aspergillus niger Q8J219
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Aspergillus niger

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
189
-
pH 5.2, 30°C Aspergillus niger

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-tyrosine-p-nitroanilide + H2O 72% of activity with phenylalanine-betanitroanilide Aspergillus niger L-tyrosine + 4-nitroaniline
-
?
phenylalanine-betanaphthylamide + H2O best substrate Aspergillus niger beta-naphthylamin + phenylalanine
-
?
phenylalanine-p-nitroanilide + H2O activity comparable to phenylalanine-betanitroanilide Aspergillus niger p-nitroaniline + phenylalanine
-
?

Subunits

Subunits Comment Organism
? x * 72000, SDS-PAGE and deduced from gene sequence Aspergillus niger

Synonyms

Synonyms Comment Organism
ApsC
-
Aspergillus niger

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
1 h, pH 7.0, stable Aspergillus niger
60
-
1 h, pH 7.0, 5% residual activity Aspergillus niger

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
-
Aspergillus niger

pH Range

pH Minimum pH Maximum Comment Organism
5 8 stable for 90 min Aspergillus niger