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Literature summary extracted from

  • Lin, S.; Chen, L.; Wen, C.; Chu, W.
    Extracellular leucine aminopeptidase produced by Aspergillus oryzae LL1 and LL2 (2010), Afr. J. Microbiol. Res., 4, 158-168.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.4.11.1 Cu2+ 2 mM: 4.5% activity in crude enzyme solution Aspergillus oryzae
3.4.11.1 Fe2+ 2 mM: 37.9% activity in crude enzyme solution Aspergillus oryzae
3.4.11.1 Pb2+ 2 mM: 5.9% activity in crude enzyme solution Aspergillus oryzae

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.4.11.1 Zn2+ 2 mM: 184.3% activity in crude enzyme solution Aspergillus oryzae

Organism

EC Number Organism UniProt Comment Textmining
3.4.11.1 Aspergillus oryzae
-
-
-
3.4.11.1 Aspergillus oryzae LL1
-
-
-

Storage Stability

EC Number Storage Stability Organism
3.4.11.1 Storage of crude enzyme solutions at -80, -20, 4 and 25°C for eight weeks reduces activity after the first three weeks of storage at all temperatures. At three weeks, residual activities are inversely proportional to their associated storage temperatures, with activity being reduced to 84, 77, 75 and 64% at temperatures of -80, -20, 4 and 25°C, respectively. Activity remained relatively stable from 4-8 weeks at temperatures of -80, -20 and 25°C. In contrast, samples stored at 4°C exhibit an additional about 10% decrease in activity during this time. Aspergillus oryzae

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.4.11.1 N-succinyl-L-Leu-4-nitroanilide + H2O
-
 Aspergillus oryzae N-succinyl-L-Leu + 4-nitroaniline
-
 ?
3.4.11.1 N-succinyl-L-Leu-4-nitroanilide + H2O
-
 Aspergillus oryzae LL1 N-succinyl-L-Leu + 4-nitroaniline
-
 ?

Synonyms

EC Number Synonyms Comment Organism
3.4.11.1 leucine aminopeptidase extracellular Aspergillus oryzae