Activating Compound | Comment | Organism | Structure |
---|---|---|---|
2,3-dimercapto-1-propanol | not as effective in activation as cysteine | Ananas comosus | |
cysteine | inactive unless treated with | Ananas comosus | |
DTT | not as effective in activation as cysteine | Ananas comosus | |
Thioglycol | not as effective in activation as cysteine | Ananas comosus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
HgCl2 | - |
Ananas comosus | |
iodoacetic acid | - |
Ananas comosus | |
PCMB | - |
Ananas comosus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
57 | - |
benzoyl-L-Arg ethyl ester | acidic enzyme form | Ananas comosus | |
67 | - |
benzoyl-L-Arg amide | acidic enzyme form | Ananas comosus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Ananas comosus | - |
2 enzyme forms: pI 9.45 (basic form), pI 4.7 (acidic form) | - |
Purification (Comment) | Organism |
---|---|
2 enzyme forms with pI of 9.45 (basic form) and pI 4.7 (acidic form) | Ananas comosus |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
stem | - |
Ananas comosus | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
Benzoyl-L-Arg amide + H2O | - |
Ananas comosus | Benzoyl-L-Arg + NH3 | - |
? | |
Benzoyl-L-Arg ethyl ester + H2O | - |
Ananas comosus | Benzoyl-L-Arg + ethanol | - |
? | |
casein + H2O | - |
Ananas comosus | hydrolyzed casein | - |
? |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | - |
pH 7, 30 min, stable up to | Ananas comosus |
50 | - |
pH 5, 60 min, stable | Ananas comosus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | 8.5 | casein | Ananas comosus |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5 | 10 | 5: about 40% of activity maximum, 10.0: about 70% of activity maximum | Ananas comosus |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
3 | 9 | 4°C, 24 h, stable | Ananas comosus |
5 | - |
50°C, 60 min, stable | Ananas comosus |