Activating Compound | Comment | Organism | Structure |
---|---|---|---|
additional information | catalytic activity of heparinase I requires a reducing environment | Bacteroides thetaiotaomicron |
Application | Comment | Organism |
---|---|---|
analysis | the GSTfused enzyme with high purity and specific activity may be useful in solid phase clinical applications and sequence characterizations of structurally specific heparin and heparan sulfate motifs | Bacteroides thetaiotaomicron |
Cloned (Comment) | Organism |
---|---|
expression in Escherichia coli as a fusion protein with GST at the N-terminus | Bacteroides thetaiotaomicron |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0023 | - |
heparin | - |
Bacteroides thetaiotaomicron |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | purified GST fusion enzyme requires Ca2+. Activity of the GST-heparinase I is stimulated 7fold by 1 mM Ca2+. Mg2+ and Mn2+ are much less effective at the same concentrations while Cu2+ and Zn2+ are ineffective | Bacteroides thetaiotaomicron |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Bacteroides thetaiotaomicron | - |
- |
- |
Purification (Comment) | Organism |
---|---|
enzyme expressed in Escherichia coli as a fusion protein with GST at the N-terminus, one-step affinity purification | Bacteroides thetaiotaomicron |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
heparin | - |
Bacteroides thetaiotaomicron | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
heparinase I | - |
Bacteroides thetaiotaomicron |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.7 | 7.3 | - |
Bacteroides thetaiotaomicron |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5.8 | 7.9 | pH 5.8: about 55% of maximal activity, pH 7.9: about 55% of maximal activity | Bacteroides thetaiotaomicron |