EC Number | Cloned (Comment) | Organism |
---|---|---|
3.2.1.53 | expression in Escherichia coli | Paenibacillus sp. |
EC Number | Protein Variants | Comment | Organism |
---|---|---|---|
3.2.1.53 | D607E | Km is increased by 5-fold, the kcat is decreased to 1.4% of wild-type | Paenibacillus sp. |
3.2.1.53 | D607N | activity is completely abolished | Paenibacillus sp. |
3.2.1.53 | E608D | Km value is decreased to about 57% and the kcat value is decreased to about 5.2% of wild-type | Paenibacillus sp. |
3.2.1.53 | E608Q | Km value is decreased to about 26% and the kcat value is decreased to about 1.1% of wild-type | Paenibacillus sp. |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
3.2.1.53 | Cu2+ | 5 mM, strong inhibition | Paenibacillus sp. | |
3.2.1.53 | Hg2+ | 5 mM, strong inhibition | Paenibacillus sp. | |
3.2.1.53 | N-acetylgalactosaminide thiazoline | competitive | Paenibacillus sp. | |
3.2.1.53 | N-acetylglucosaminide thiazoline | - |
Paenibacillus sp. | |
3.2.1.53 | Ni2+ | 5 mM, strong inhibition | Paenibacillus sp. |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.2.1.53 | 0.09 | - |
4-nitrophenyl beta-N-acetylgalactosaminide | mutant E608Q, pH 6.0, 37°C | Paenibacillus sp. | |
3.2.1.53 | 0.2 | - |
4-nitrophenyl beta-N-acetylgalactosaminide | mutant E608D, pH 6.0, 37°C | Paenibacillus sp. | |
3.2.1.53 | 0.35 | - |
4-nitrophenyl beta-N-acetylgalactosaminide | pH 6.0, 37°C | Paenibacillus sp. | |
3.2.1.53 | 1.74 | - |
4-nitrophenyl beta-N-acetylgalactosaminide | mutant D607E, pH 6.0, 37°C | Paenibacillus sp. |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
3.2.1.53 | 115000 | - |
x * 115000, SDS-PAGE | Paenibacillus sp. |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
3.2.1.53 | Paenibacillus sp. | E9RH20 | - |
- |
EC Number | Reaction | Comment | Organism | Reaction ID |
---|---|---|---|---|
3.2.1.53 | (GalNAcbeta(1-4))n + H2O = (GalNAcbeta(1-4))n-1 + 2-(acetylamino)-2-deoxy-beta-D-galactopyranose | NgaP adopts substrate-assisted catalysis in which residues Glu608 and Asp607 could function as a proton donor and a stabilizer of the 2-acetamide group of the beta-GalNAc at the active site, respectively | Paenibacillus sp. |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.2.1.53 | 4-nitrophenyl beta-N-acetylglucosaminide + H2O | 1-3% of the activity with 4-nitrophenyl beta-N-acetylgalactosaminide | Paenibacillus sp. | beta-N-acetylglucosamine + 4-nitrophenol | - |
? | |
3.2.1.53 | 4-nitrophenyl N-acetyl-beta-D-galactosaminopyranoside + H2O | - |
Paenibacillus sp. | N-acetyl-D-galactosamine + 4-nitrophenol | - |
? | |
3.2.1.53 | GalNAc-beta-1,3-Gal-alpha-1,4-Gal-beta-1,4-Glc-beta-1,1-Cer + H2O | i.e. globotetraosylceramide, 39% of the activity with GalNAc-1,4-Gal-1,4-Glc-1,1-Cer | Paenibacillus sp. | GalNAc + Gal-alpha-1,4-Gal-beta-1,4-Glc-beta-1,1-Cer | - |
? | |
3.2.1.53 | GalNAc-beta-1,4-Gal-beta-1,4-Glc-beta-1,1-Cer | i.e. asialo-GM2 | Paenibacillus sp. | GalNAc + Gal-beta-1,4-Glc-beta-1,1-Cer | - |
? | |
3.2.1.53 | additional information | enzyme cleaves the nonreducing terminal beta-GalNAc residues of gangliotriaosylceramide and globotetraosylceramide. Enzyme prefers the GalNAc-1,4-linkage over the GalNAc-1,3-linkage | Paenibacillus sp. | ? | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
3.2.1.53 | ? | x * 115000, SDS-PAGE | Paenibacillus sp. |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
3.2.1.53 | NgaP | - |
Paenibacillus sp. |
EC Number | Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.2.1.53 | 0.08 | - |
4-nitrophenyl beta-N-acetylgalactosaminide | mutant E608Q, pH 6.0, 37°C | Paenibacillus sp. | |
3.2.1.53 | 0.1 | - |
4-nitrophenyl beta-N-acetylgalactosaminide | mutant D607E, pH 6.0, 37°C | Paenibacillus sp. | |
3.2.1.53 | 0.38 | - |
4-nitrophenyl beta-N-acetylgalactosaminide | mutant E608D, pH 6.0, 37°C | Paenibacillus sp. | |
3.2.1.53 | 7.3 | - |
4-nitrophenyl beta-N-acetylgalactosaminide | wild-type, pH 6.0, 37°C | Paenibacillus sp. |
EC Number | Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.2.1.53 | 0.0000013 | - |
N-acetylgalactosaminide thiazoline | pH 6.0, 37°C | Paenibacillus sp. | |
3.2.1.53 | 0.0468 | - |
N-acetylglucosaminide thiazoline | pH 6.0, 37°C | Paenibacillus sp. |
EC Number | kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.2.1.53 | 0.06 | - |
4-nitrophenyl beta-N-acetylgalactosaminide | mutant D607E, pH 6.0, 37°C | Paenibacillus sp. | |
3.2.1.53 | 0.88 | - |
4-nitrophenyl beta-N-acetylgalactosaminide | mutant E608Q, pH 6.0, 37°C | Paenibacillus sp. | |
3.2.1.53 | 1.9 | - |
4-nitrophenyl beta-N-acetylgalactosaminide | mutant E608D, pH 6.0, 37°C | Paenibacillus sp. | |
3.2.1.53 | 20.9 | - |
4-nitrophenyl beta-N-acetylgalactosaminide | pH 6.0, 37°C | Paenibacillus sp. |