Activating Compound | Comment | Organism | Structure |
---|---|---|---|
additional information | structural elements of substrates, the 2-acetamido group and the beta-glycoside bond linkage, are essential for its activity. Transcriptional level increases dramatically before the molting stage | Ostrinia furnacalis |
Application | Comment | Organism |
---|---|---|
additional information | Hex1 may be mostly involved in insect chitin catabolism and may be a specific target for pesticide development | Ostrinia furnacalis |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.29 | - |
4-nitrophenyl-beta-N-acetyl-D-glucosaminide | - |
Ostrinia furnacalis | |
0.3 | - |
GlcNAcbeta(1-4)GlcNAc | - |
Ostrinia furnacalis | |
0.43 | - |
4-nitrophenyl beta-N-acetyl-D-galactosaminide | - |
Ostrinia furnacalis |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
65500 | - |
2 * 67000, MS and SDS-PAGE, 2 * 65500, sequence analysis | Ostrinia furnacalis |
67000 | - |
2 * 67000, MS and SDS-PAGE, 2 * 65500, sequence analysis | Ostrinia furnacalis |
128000 | - |
gel filtration | Ostrinia furnacalis |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Ostrinia furnacalis | Q06GJ0 | - |
- |
Purification (Comment) | Organism |
---|---|
1468fold to homogeneity with an activity yield of 20% by four column chromatography steps (anion exchange chromatography and gel filtration) | Ostrinia furnacalis |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
additional information | fifth instar larva integument | Ostrinia furnacalis | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.017 | - |
crude extract | Ostrinia furnacalis |
25 | - |
1468fold purified enzyme | Ostrinia furnacalis |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
4-nitrophenyl beta-N-acetyl-D-glucosaminide + H2O | - |
Ostrinia furnacalis | 4-nitrophenol + N-acetyl-beta-D-glucosamine | - |
? | |
4-nitrophenyl N-acetyl-beta-D-galactosaminide + H2O | - |
Ostrinia furnacalis | 4-nitrophenol + N-acetyl-beta-D-galactosamine | - |
? | |
GlcNAcbeta(1-4)GlcNAc + H2O | - |
Ostrinia furnacalis | ? | - |
? | |
GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAc + H2O | - |
Ostrinia furnacalis | ? | - |
? | |
GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAc + H2O | - |
Ostrinia furnacalis | ? | - |
? | |
GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAc + H2O | - |
Ostrinia furnacalis | ? | - |
? | |
GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAc + H2O | - |
Ostrinia furnacalis | ? | - |
? | |
additional information | it can not hydrolyze the complex N-glycan substrate (GlcNAcbeta-1,2Manalpha-1,6)(GlcNAcbeta-1,2Manalpha-1,3)Manbeta-1,4GlcNAcbeta-1,4GlcNAc-PA as well as the long polymer chitin | Ostrinia furnacalis | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
homodimer | 2 * 67000, MS and SDS-PAGE, 2 * 65500, sequence analysis | Ostrinia furnacalis |
Synonyms | Comment | Organism |
---|---|---|
beta-N-acetyl-D-hexosaminidase | - |
Ostrinia furnacalis |
Hex1 | - |
Ostrinia furnacalis |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
- |
Ostrinia furnacalis |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | - |
stable for 30 min | Ostrinia furnacalis |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
708 | - |
4-nitrophenyl-beta-N-acetyl-D-glucosaminide | - |
Ostrinia furnacalis | |
766 | - |
4-nitrophenyl beta-N-acetyl-D-galactosaminide | - |
Ostrinia furnacalis | |
934 | - |
GlcNAcbeta(1-4)GlcNAc | - |
Ostrinia furnacalis |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | - |
- |
Ostrinia furnacalis |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
7 | - |
stable for 30 min | Ostrinia furnacalis |
Organism | Comment | pI Value Maximum | pI Value |
---|---|---|---|
Ostrinia furnacalis | IEF electrophoresis | - |
4.7 |