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3.4.23.18: Aspergillopepsin I

This is an abbreviated version!
For detailed information about Aspergillopepsin I, go to the full flat file.

Word Map on EC 3.4.23.18

Reaction

hydrolysis of proteins with broad specificity. Generally favours hydrophobic residues in P1 and P1', but also accepts Lys in P1, which leads to activation of trypsinogen. Does not clot milk =

Synonyms

A. protease, Acid protease, ACP, AOAP, AP, APP, Asp f 13, Asp f 15, aspartic protease, aspartic protease P6281, Aspartic proteinase, aspergillopepsin, Aspergillopepsin A, Aspergillopepsin F, aspergillopepsin I, aspergillopepsin O, Aspergillopeptidase A, Aspergillus acid protease, Aspergillus acid proteinase, Aspergillus aspartic proteinase, Aspergillus awamori acid proteinase, Aspergillus carboxyl proteinase, Aspergillus niger acid proteinase, Aspergillus protease, Aspergillus saitoi acid proteinase, Avamorin, Awamorin, carboxyl protease, Carboxyl proteinase, carboxyl proteinase I, Denapsin, denapsin 2P, Denapsin XP 271, EC 3.4.23.6, extracellular aspartic protease, More, PepA, PEPO, Pepsin-type aspartic proteinase, proApp, Proctase, Proctase B, Proctase P, Proteinase B, Proteinase, Aspergillus acid, Proteinase, Aspergillus awamori acid, Proteinase, Aspergillus kawachii aspartic, Proteinase, Aspergillus saitoi acid, Sumizyme AP, Trypsinogen kinase

ECTree

     3 Hydrolases
         3.4 Acting on peptide bonds (peptidases)
             3.4.23 Aspartic endopeptidases
                3.4.23.18 Aspergillopepsin I

General Stability

General Stability on EC 3.4.23.18 - Aspergillopepsin I

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GENERAL STABILITY
ORGANISM
UNIPROT
LITERATURE
Casein stabilizes
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Photooxidation at pH 5.5 inactivates
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Stable to low urea concentrations, but 5 M, at an apparent pH of 5.5 inactivates 46% after 30 min and 59% after 60 min incubation
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the enzyme is stable in 50 mM KCl-HCl buffer (pH 1.2 and 2.0), sodium potassium tartrate buffer (pH 3.0), 50 mM sodium acetate buffer (pH 4.0-5.0), and 50 mM sodium/potassium phosphate buffer (pH 6.0-7.0)
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the protease is 100 % stable and compatible for 2 h at 60°C with all the detergents tested except for Super wheel, and a retention of 83.98, 85.50, 85.57, 87.14 and 89.16 % is recorded after 24 h for Super wheel, More choice, Ariel, Henko and Surf excel, respectively
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