Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Ag+ | with 7 mM 5% of activity remains | Styela plicata | |
Fe2+ | with 7 mM 16% of activity remains | Styela plicata | |
Hg2+ | concentration of 7 mM results in total loss of activity | Styela plicata | |
Monoiodoacetic acid | with 1 mM 73% of activity remains | Styela plicata | |
p-chloromercuribenzoate | with 1 mM 20% of activity remains | Styela plicata |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
66000 | - |
SDS-PAGE | Styela plicata |
132000 | - |
gel filtration | Styela plicata |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
N-acetyl-beta-D-hexosaminides + H2O | Styela plicata | - |
N-acetyl-D-hexosamines | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Styela plicata | - |
sea-squirt | - |
Purification (Comment) | Organism |
---|---|
1560fold, fairly homogenous | Styela plicata |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
viscus | - |
Styela plicata | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
67 | - |
substrate: p-nitrophenyl-beta-2-acetamido-2-deoxy-D-glucopyranoside | Styela plicata |
Storage Stability | Organism |
---|---|
0°C, in 10% glycerol, pH 5.0-6.0, no loss of activity in 4 months | Styela plicata |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
asialodegalactosyl fetuin glycopeptide + H2O | - |
Styela plicata | N-acetylglucosamine + ? | - |
? | |
asialodegalactosyl ovomucoid glycopeptide + H2O | - |
Styela plicata | N-acetylglucosamine + ? | - |
? | |
defucosyl Gi-x glycopeptide + H2O | poor substrate | Styela plicata | N-acetylglucosamine + ? | - |
? | |
large fragment of hyaluronic acid + H2O | prepared by hyaluronidase treatment | Styela plicata | N-acetylglucosamine + ? | - |
? | |
N-acetyl-beta-D-hexosaminides + H2O | - |
Styela plicata | N-acetyl-D-hexosamines | - |
? | |
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-galactopyranoside + H2O | - |
Styela plicata | 2-acetamido-2-deoxy-D-galactose + p-nitrophenol | - |
? | |
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-glucopyranoside + H2O | - |
Styela plicata | 2-acetamido-2-deoxy-D-glucose + p-nitrophenol | - |
? | |
small fragment of hyaluronic acid + H2O | prepared by hyaluronidase treatment, poor substrate | Styela plicata | N-acetylglucosamine + ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | 2 * 66000, SDS-PAGE | Styela plicata |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4 | - |
substrate: p-nitrophenyl-beta-2-acetamido-2-deoxy-D-glucopyranoside | Styela plicata |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
4 | - |
unstable at pH 4.0, i.e. the enzyme' pH optimum | Styela plicata |
5 | 6 | stable | Styela plicata |