Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Ag+ | - |
Aspergillus niger | |
Ba2+ | inhibition at 1 mM | Aspergillus niger | |
Ca2+ | inhibition at 0.1 mM | Aspergillus niger | |
Cd2+ | inhibition at 0.1 mM | Aspergillus niger | |
Cu2+ | inhibition at 0.1 mM | Aspergillus niger | |
D-mannono-1,5-lactone | complete inhibition at 1 mM | Aspergillus niger | |
Fe3+ | inhibition at 1 mM | Aspergillus niger | |
Hg2+ | strong inhibitor | Aspergillus niger | |
Mg2+ | inhibition at 1 mM | Aspergillus niger | |
Mn2+ | inhibition at 1 mM | Aspergillus niger | |
Sr2+ | inhibition at 1 mM | Aspergillus niger | |
Zn2+ | inhibition at 1 mM | Aspergillus niger |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
1.2 | - |
p-nitrophenyl-alpha-D-mannopyranoside | - |
Aspergillus niger | |
8.2 | - |
methyl-4-O-alpha-D-mannopyranosyl-D-mannopyranoside | - |
Aspergillus niger |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
2-O-alpha-D-mannopyranosyl-D-mannopyranose + H2O | Aspergillus niger | very low activity | 2 alpha-D-mannopyranose | - |
? | |
3-O-alpha-D-mannopyranosyl-D-mannopyranose + H2O | Aspergillus niger | very low activity | 2 alpha-D-mannopyranose | - |
? | |
4-O-alpha-D-mannopyranosyl-D-mannopyranose + H2O | Aspergillus niger | specific cleavage of alpha-1,4- or alpha-1,6-linkages | 2 alpha-D-mannopyranose | - |
? | |
6-O-alpha-D-mannopyranosyl-D-mannopyranose + H2O | Aspergillus niger | specific cleavage of alpha-1,4- or alpha-1,6-linkages | alpha-D-mannopyranose | - |
? | |
glycopeptide + H2O | Aspergillus niger | faster hydrolysis than for glycoprotein | alpha-D-mannopyranose + ? | - |
? | |
glycoprotein + H2O | Aspergillus niger | - |
alpha-D-mannopyranose + ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aspergillus niger | - |
- |
- |
Purification (Comment) | Organism |
---|---|
to homogeneity, chromatography steps | Aspergillus niger |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
commercial preparation | Rhozyme HP-150, crude enzyme preparation | Aspergillus niger | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2-acetamido-4-O-alpha-D-mannopyranosyl-2-deoxy-D-glucose + H2O | - |
Aspergillus niger | alpha-D-mannopyranose + ? | - |
? | |
2-O-alpha-D-mannopyranosyl-D-mannopyranose + H2O | very low activity | Aspergillus niger | alpha-D-mannopyranose + D-mannopyranose | - |
? | |
2-O-alpha-D-mannopyranosyl-D-mannopyranose + H2O | very low activity | Aspergillus niger | 2 alpha-D-mannopyranose | - |
? | |
3-O-alpha-D-mannopyranosyl-D-mannopyranose + H2O | very low activity | Aspergillus niger | 2 alpha-D-mannopyranose | - |
? | |
4-O-alpha-D-mannopyranosyl-D-mannopyranose + H2O | specific cleavage of alpha-1,4- or alpha-1,6-linkages | Aspergillus niger | 2 alpha-D-mannopyranose | - |
? | |
6-O-alpha-D-mannopyranosyl-D-mannopyranose + H2O | specific cleavage of alpha-1,4- or alpha-1,6-linkages | Aspergillus niger | alpha-D-mannopyranose | - |
? | |
glycopeptide + H2O | faster hydrolysis than for glycoprotein | Aspergillus niger | alpha-D-mannopyranose + ? | - |
? | |
glycoprotein + H2O | - |
Aspergillus niger | alpha-D-mannopyranose + ? | - |
? | |
methyl-2-O-alpha-D-mannopyranosyl-D-mannopyranoside + H2O | very low activity | Aspergillus niger | alpha-D-mannopyranose + ? | - |
? | |
methyl-4-O-alpha-D-mannopyranosyl-D-mannopyranoside + H2O | - |
Aspergillus niger | alpha-D-mannopyranose + ? | - |
? | |
p-nitrophenyl-alpha-D-mannopyranoside + H2O | very low activity | Aspergillus niger | p-nitrophenol + alpha-D-mannopyranose | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | - |
- |
Aspergillus niger |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
10 | 45 | stable within | Aspergillus niger |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4.2 | - |
- |
Aspergillus niger |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
5 | 7 | stable within | Aspergillus niger |