Cloned (Comment) | Organism |
---|---|
expressed in Escherichia coli as a His-tagged fusion protein | Streptococcus pyogenes |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Cu2+ | Cu2+ inhibits the proteolytic activity of mature SpeB | Streptococcus pyogenes | |
N-(N-(L-3-trans-carboxyoxirane-2-carbonyl)-L-leucyl)-agmatine | - |
Streptococcus pyogenes | |
Zn2+ | Zinc inhibits the proteolytic activity of mature SpeB | Streptococcus pyogenes |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
28000 | - |
mature SpeB | Streptococcus pyogenes |
42000 | - |
enzymatically inactive zymogen form of SpeB | Streptococcus pyogenes |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
streptococcal mitogenic exotoxin Z + H2O | Streptococcus pyogenes | - |
? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Streptococcus pyogenes | - |
- |
- |
Posttranslational Modification | Comment | Organism |
---|---|---|
proteolytic modification | Spe is expressed as a propeptide. Zinc blocks the maturation of the SpeB zymogen and thereby the proteolytic degradation of proteins by SpeB | Streptococcus pyogenes |
Purification (Comment) | Organism |
---|---|
using Ni-NTA chromatography | Streptococcus pyogenes |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
streptococcal mitogenic exotoxin Z + H2O | - |
Streptococcus pyogenes | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
SpeB | - |
Streptococcus pyogenes |
streptococcal pyrogenic exotoxin B | - |
Streptococcus pyogenes |
streptopain | - |
Streptococcus pyogenes |
IC50 Value | IC50 Value Maximum | Comment | Organism | Inhibitor | Structure |
---|---|---|---|---|---|
0.0279 | - |
pH and temperature not specified in the publication | Streptococcus pyogenes | Zn2+ |