EC Number | Application | Comment | Organism |
---|---|---|---|
3.4.23.18 | nutrition | Aspergillus awamori and the extracellular protease play important roles in japanese food production, overview | Aspergillus awamori |
3.4.23.18 | nutrition | Aspergillus oryzae and the extracellular protease play important roles in japanese food production, overview | Aspergillus oryzae |
3.4.23.18 | nutrition | Aspergillus saitoi and the extracellular protease play important roles in japanese food production, overview | Aspergillus phoenicis |
3.4.23.18 | nutrition | Aspergillus sojae and the extracellular protease play important roles in japanese food production, overview | Aspergillus sojae |
3.4.23.18 | nutrition | Aspergillus species and the extracellular protease play important roles in japanese food production, overview | Aspergillus luchuensis |
EC Number | Cloned (Comment) | Organism |
---|---|---|
3.4.23.18 | DNA and amino acid sequence determination and analysis, phylogenetic analysis of Aspergillus | Aspergillus awamori |
3.4.23.18 | DNA and amino acid sequence determination and analysis, phylogenetic analysis of Aspergillus | Aspergillus fumigatus |
3.4.23.18 | gene apnS, DNA and amino acid sequence determination and analysis, phylogenetic analysis of Aspergillus, expression of the proenzyme in Saccharomyces cerevisiae, and in Escherichia coli inclusion bodies, expression of the N-terminal sequence in Escherichia coli | Aspergillus phoenicis |
3.4.23.18 | gene pepA, located on chromosome 1, DNA and amino acid sequence determination and analysis, genetic organization, phylogenetic analysis of Aspergillus | Aspergillus niger |
3.4.23.18 | proctase B, DNA and amino acid sequence determination and analysis, phylogenetic analysis of Aspergillus | Aspergillus oryzae |
EC Number | Crystallization (Comment) | Organism |
---|---|---|
3.4.23.18 | crystal structure determination and analysis at 2.18 A resolution | Aspergillus phoenicis |
EC Number | Protein Variants | Comment | Organism |
---|---|---|---|
3.4.23.18 | additional information | gene disruption leads to 85% reduced extracellular proteolytic activity | Aspergillus niger |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
3.4.23.18 | pepstatin | - |
Aspergillus niger |
EC Number | Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|---|
3.4.23.18 | extracellular | the enzyme is secreted | Aspergillus niger | - |
- |
3.4.23.18 | extracellular | the enzyme is secreted | Aspergillus oryzae | - |
- |
3.4.23.18 | extracellular | the enzyme is secreted | Aspergillus phoenicis | - |
- |
3.4.23.18 | extracellular | the enzyme is secreted | Aspergillus sojae | - |
- |
3.4.23.18 | extracellular | the enzyme is secreted | Aspergillus awamori | - |
- |
3.4.23.18 | extracellular | the enzyme is secreted | Aspergillus luchuensis | - |
- |
3.4.23.18 | extracellular | the enzyme is secreted | Aspergillus fumigatus | - |
- |
3.4.23.18 | extracellular | the enzyme is secreted | Aspergillus foetidus | - |
- |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
3.4.23.18 | 34302 | - |
x * 34302, amino acid sequence calculation | Aspergillus phoenicis |
3.4.23.18 | 43000 | - |
x * 43000, SDS-PAGE | Aspergillus niger |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.4.23.18 | chymotrypsinogen A + H2O | Aspergillus phoenicis | activation | chymotrypsin + peptide fragment | - |
? | |
3.4.23.18 | chymotrypsinogen A + H2O | Aspergillus phoenicis R-3813 | activation | chymotrypsin + peptide fragment | - |
? | |
3.4.23.18 | DRVYIHPFHLLVYS + 3 H2O | Aspergillus oryzae | tetradecapeptide renin substrate, the enzyme cleaves the Xaa-pro bond with Xaa being any amino acid | DRVY + Ile-His + PFHLL + VYS | - |
? | |
3.4.23.18 | DRVYIHPFHLLVYS + 3 H2O | Aspergillus sojae | tetradecapeptide renin substrate, the enzyme cleaves the Xaa-pro bond with Xaa being any amino acid | DRVY + Ile-His + PFHLL + VYS | - |
? | |
3.4.23.18 | DRVYIHPFHLLVYS + 3 H2O | Aspergillus phoenicis | tetradecapeptide renin substrate, the enzyme cleaves the Xaa-pro bond with Xaa being any amino acid | DRVY + Ile-His + PFHLL + Val-Tyr-Ser | - |
? | |
3.4.23.18 | FVNQHLCGSHLVEALYLVCGERGFFYTPKA + 3 H2O | Aspergillus sojae | substrate is the oxidized insulin B chain, primarily cleavage at Leu15-Tyr16 and Phe24-Phe25, and minor cleavage of Tyr16-Leu17, overview | FVNQHLCGSHLVEAL + Tyr + LVCGERGF + FYTPKA | - |
? | |
3.4.23.18 | additional information | Aspergillus fumigatus | the extracellular enzyme pays a role in development of aspergillosis in lung of mammalia, but it is not essential for virulence | ? | - |
? | |
3.4.23.18 | proangiotensin + H2O | Aspergillus phoenicis | the enzyme cleaves the Xaa-pro bond with Xaa being any amino acid | DRVYIH + PFHLLVYS | i.e. angiotensin I | ? | |
3.4.23.18 | trypsinogen + H2O | Aspergillus phoenicis | activation by cleavage of a Lys-Pro bond | trypsin + peptide fragment | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
3.4.23.18 | Aspergillus awamori | - |
- |
- |
3.4.23.18 | Aspergillus foetidus | - |
- |
- |
3.4.23.18 | Aspergillus fumigatus | - |
- |
- |
3.4.23.18 | Aspergillus luchuensis | - |
- |
- |
3.4.23.18 | Aspergillus niger | - |
var. awamori, gene pepA, and var. macrosporus | - |
3.4.23.18 | Aspergillus oryzae | - |
gene pepO | - |
3.4.23.18 | Aspergillus phoenicis | - |
strain ATCC 14332, formerly Aspergillus saitoi | - |
3.4.23.18 | Aspergillus phoenicis | - |
gene apnS | - |
3.4.23.18 | Aspergillus phoenicis R-3813 | - |
gene apnS | - |
3.4.23.18 | Aspergillus sojae | - |
- |
- |
EC Number | Posttranslational Modification | Comment | Organism |
---|---|---|---|
3.4.23.18 | proteolytic modification | the enzyme is synthesized as pro-enzyme | Aspergillus phoenicis |
EC Number | Purification (Comment) | Organism |
---|---|---|
3.4.23.18 | recombinant enzyme from Escherichia coli after solubilization from inclusion bodies by ion exchange chromatography to homogeneity | Aspergillus phoenicis |
EC Number | Reaction | Comment | Organism | Reaction ID |
---|---|---|---|---|
3.4.23.18 | 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 | catalytic residues are Asp32 and Asp214 connected by a complex network of hydrogen bonds, a third catalytic residue is Asp76, which is essential for trypsinogen activation at pH 3.0-4.5, the active site flap plays an important role in recognition of basic P1 residues | Aspergillus phoenicis |
EC Number | Renatured (Comment) | Organism |
---|---|---|
3.4.23.18 | recombinant enzyme from Escherichia coli inclusion bodies by solubilization with 8 M urea and dialysis | Aspergillus phoenicis |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
3.4.23.18 | commercial preparation | crude enzyme preparation | Aspergillus phoenicis | - |
3.4.23.18 | mycelium | - |
Aspergillus niger | - |
3.4.23.18 | mycelium | - |
Aspergillus oryzae | - |
3.4.23.18 | mycelium | - |
Aspergillus phoenicis | - |
3.4.23.18 | mycelium | - |
Aspergillus sojae | - |
3.4.23.18 | mycelium | - |
Aspergillus awamori | - |
3.4.23.18 | mycelium | - |
Aspergillus luchuensis | - |
3.4.23.18 | mycelium | - |
Aspergillus fumigatus | - |
3.4.23.18 | mycelium | - |
Aspergillus foetidus | - |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.4.23.18 | casein + H2O | milk casein | Aspergillus phoenicis | ? | - |
? | |
3.4.23.18 | casein + H2O | milk casein | Aspergillus phoenicis R-3813 | ? | - |
? | |
3.4.23.18 | chymotrypsinogen A + H2O | activation | Aspergillus phoenicis | chymotrypsin + peptide fragment | - |
? | |
3.4.23.18 | chymotrypsinogen A + H2O | activation | Aspergillus phoenicis R-3813 | chymotrypsin + peptide fragment | - |
? | |
3.4.23.18 | Dnp-Ala-Ala-Phe-Phe-Ala-Arg-NH2 + H2O | chromogenic synthetic peptide substrate | Aspergillus phoenicis | Dnp-Ala-Ala-Phe + Phe-Ala-Arg-NH2 | - |
? | |
3.4.23.18 | DRVYIHPFHLLVYS + 3 H2O | tetradecapeptide renin substrate, the enzyme cleaves the Xaa-pro bond with Xaa being any amino acid | Aspergillus oryzae | DRVY + Ile-His + PFHLL + VYS | - |
? | |
3.4.23.18 | DRVYIHPFHLLVYS + 3 H2O | tetradecapeptide renin substrate, the enzyme cleaves the Xaa-pro bond with Xaa being any amino acid | Aspergillus phoenicis | DRVY + Ile-His + PFHLL + VYS | - |
? | |
3.4.23.18 | DRVYIHPFHLLVYS + 3 H2O | tetradecapeptide renin substrate, the enzyme cleaves the Xaa-pro bond with Xaa being any amino acid | Aspergillus sojae | DRVY + Ile-His + PFHLL + VYS | - |
? | |
3.4.23.18 | DRVYIHPFHLLVYS + 3 H2O | tetradecapeptide renin substrate, the enzyme cleaves the Xaa-pro bond with Xaa being any amino acid | Aspergillus phoenicis R-3813 | DRVY + Ile-His + PFHLL + VYS | - |
? | |
3.4.23.18 | DRVYIHPFHLLVYS + 3 H2O | tetradecapeptide renin substrate, the enzyme cleaves the Xaa-pro bond with Xaa being any amino acid | Aspergillus phoenicis | DRVY + Ile-His + PFHLL + Val-Tyr-Ser | - |
? | |
3.4.23.18 | FVNQHLCGSHLVEALYLVCGERGFFYTPKA + 3 H2O | substrate is the oxidized insulin B chain, primarily cleavage at Leu15-Tyr16 and Phe24-Phe25, and minor cleavage of Tyr16-Leu17, overview | Aspergillus sojae | FVNQHLCGSHLVEAL + Tyr + LVCGERGF + FYTPKA | - |
? | |
3.4.23.18 | FVNQHLCGSHLVEALYLVCGERGFFYTPKA + H2O | substrate is the oxidized insulin B chain, cleavage site specificity, overview | Aspergillus phoenicis | FVNQHLCGSH + LVEA + Leu + Tyr + LVCGERGF + FYTPKA | - |
? | |
3.4.23.18 | additional information | the extracellular enzyme pays a role in development of aspergillosis in lung of mammalia, but it is not essential for virulence | Aspergillus fumigatus | ? | - |
? | |
3.4.23.18 | additional information | the enzyme prefers hydrophobic amino acid residues at P1 and P1', but also accepts Lys | Aspergillus niger | ? | - |
? | |
3.4.23.18 | additional information | the enzyme prefers hydrophobic amino acid residues at P1 and P1', but also accepts Lys | Aspergillus oryzae | ? | - |
? | |
3.4.23.18 | additional information | the enzyme prefers hydrophobic amino acid residues at P1 and P1', but also accepts Lys | Aspergillus phoenicis | ? | - |
? | |
3.4.23.18 | additional information | the enzyme prefers hydrophobic amino acid residues at P1 and P1', but also accepts Lys | Aspergillus sojae | ? | - |
? | |
3.4.23.18 | additional information | the enzyme prefers hydrophobic amino acid residues at P1 and P1', but also accepts Lys | Aspergillus awamori | ? | - |
? | |
3.4.23.18 | additional information | the enzyme prefers hydrophobic amino acid residues at P1 and P1', but also accepts Lys | Aspergillus luchuensis | ? | - |
? | |
3.4.23.18 | additional information | the enzyme prefers hydrophobic amino acid residues at P1 and P1', but also accepts Lys | Aspergillus foetidus | ? | - |
? | |
3.4.23.18 | additional information | the enzyme prefers hydrophobic amino acid residues at P1 and P1', but also accepts Lys, at pH 5.5 the enzyme shows also an elastolytic activity with elastin Congo red | Aspergillus fumigatus | ? | - |
? | |
3.4.23.18 | additional information | the enzyme prefers hydrophobic amino acid residues at P1 and P1', but also accepts Lys, no activity with Z-Glu-Tyr or Z-Tyr-Leu, no milk clotting | Aspergillus phoenicis | ? | - |
? | |
3.4.23.18 | additional information | the enzyme prefers hydrophobic amino acid residues at P1 and P1', but also accepts Lys | Aspergillus phoenicis R-3813 | ? | - |
? | |
3.4.23.18 | additional information | the enzyme prefers hydrophobic amino acid residues at P1 and P1', but also accepts Lys, no activity with Z-Glu-Tyr or Z-Tyr-Leu, no milk clotting | Aspergillus phoenicis R-3813 | ? | - |
? | |
3.4.23.18 | proangiotensin + H2O | the enzyme cleaves the Xaa-pro bond with Xaa being any amino acid | Aspergillus phoenicis | DRVYIH + PFHLLVYS | i.e. angiotensin I | ? | |
3.4.23.18 | trypsinogen + H2O | activation by cleavage of a Lys-Pro bond | Aspergillus phoenicis | trypsin + peptide fragment | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
3.4.23.18 | ? | x * 43000, SDS-PAGE | Aspergillus niger |
3.4.23.18 | ? | x * 34302, amino acid sequence calculation | Aspergillus phoenicis |
3.4.23.18 | More | secondary and three-dimensional structure determination and comparison | Aspergillus phoenicis |
3.4.23.18 | More | secondary structure analysis, three-dimensional structure comparison | Aspergillus phoenicis |
3.4.23.18 | More | three-dimensional structure comparison | Aspergillus niger |
3.4.23.18 | More | three-dimensional structure comparison | Aspergillus oryzae |
3.4.23.18 | More | three-dimensional structure comparison | Aspergillus awamori |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
3.4.23.18 | Acid protease | - |
Aspergillus oryzae |
3.4.23.18 | Aspartic proteinase | - |
Aspergillus oryzae |
3.4.23.18 | Aspartic proteinase | - |
Aspergillus phoenicis |
3.4.23.18 | Aspartic proteinase | - |
Aspergillus sojae |
3.4.23.18 | aspergillopepsin | - |
Aspergillus foetidus |
3.4.23.18 | Aspergillopepsin A | - |
Aspergillus niger |
3.4.23.18 | Aspergillopepsin A | - |
Aspergillus awamori |
3.4.23.18 | Aspergillopepsin F | - |
Aspergillus fumigatus |
3.4.23.18 | aspergillopepsin O | - |
Aspergillus oryzae |
3.4.23.18 | Aspergillopeptidase A | - |
Aspergillus phoenicis |
3.4.23.18 | Awamorin | - |
Aspergillus awamori |
3.4.23.18 | carboxyl protease | - |
Aspergillus luchuensis |
3.4.23.18 | carboxyl proteinase I | - |
Aspergillus sojae |
3.4.23.18 | extracellular aspartic protease | - |
Aspergillus niger |
3.4.23.18 | extracellular aspartic protease | - |
Aspergillus fumigatus |
3.4.23.18 | More | the enzyme belongs to the A1 peptidase family | Aspergillus niger |
3.4.23.18 | More | the enzyme belongs to the A1 peptidase family | Aspergillus oryzae |
3.4.23.18 | More | the enzyme belongs to the A1 peptidase family | Aspergillus phoenicis |
3.4.23.18 | More | the enzyme belongs to the A1 peptidase family | Aspergillus sojae |
3.4.23.18 | More | the enzyme belongs to the A1 peptidase family | Aspergillus awamori |
3.4.23.18 | More | the enzyme belongs to the A1 peptidase family | Aspergillus luchuensis |
3.4.23.18 | More | the enzyme belongs to the A1 peptidase family | Aspergillus fumigatus |
3.4.23.18 | More | the enzyme belongs to the A1 peptidase family | Aspergillus foetidus |
3.4.23.18 | PepA | - |
Aspergillus niger |
3.4.23.18 | PEPO | - |
Aspergillus oryzae |
3.4.23.18 | Proctase B | - |
Aspergillus niger |
3.4.23.18 | Proteinase B | - |
Aspergillus niger |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
3.4.23.18 | 2.5 | 3 | substrate milk casein | Aspergillus phoenicis |
3.4.23.18 | 2.7 | - |
assay at | Aspergillus oryzae |
3.4.23.18 | 2.7 | - |
assay at | Aspergillus sojae |
3.4.23.18 | 4 | 4.5 | substrates trypsinogen and chymotrypsinogen | Aspergillus phoenicis |
EC Number | pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|---|
3.4.23.18 | 2.2 | 3 | - |
Aspergillus sojae |
EC Number | pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|---|
3.4.23.18 | 2.5 | 6 | fairly stable | Aspergillus phoenicis |