3.4.22.10: streptopain
This is an abbreviated version!
For detailed information about streptopain, go to the full flat file.
Word Map on EC 3.4.22.10
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3.4.22.10
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speb
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streptococci
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glomerulonephritis
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zymogen
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fasciitis
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superantigens
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streptolysin
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nephritogenic
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streptokinase
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poststreptococcal
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scarlet
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apsgn
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shock-like
- 3.4.22.10
- speb
- streptococci
- glomerulonephritis
- zymogen
- fasciitis
-
superantigens
-
streptolysin
-
nephritogenic
- streptokinase
-
poststreptococcal
-
scarlet
-
apsgn
-
shock-like
Reaction
preferential cleavage with hydrophobic residues at P2, P1 and P1' =
Synonyms
EC 3.4.4.18, IdeS, IgG-degrading enzyme of Streptococcus pyogenes, interleukin-1beta convertase, More, proteinase, streptococcal, pyrogenic exotoxin B, SCP, SpcCEP, Spe B, SPE B protease, SPE B/SCP, SpeB, SPP, Steptococcus proteinase, streptococcal cysteine protease, Streptococcal cysteine proteinase, streptococcal erythrogenic toxin B, streptococcal proteinase, streptococcal pyogenic exotoxin B, streptococcal pyrogenic exotoxin B, streptococcal pyrogenic exotoxin B/cysteine protease, Streptococcus peptidase A, Streptococcus protease, streptopain
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Purification
Purification on EC 3.4.22.10 - streptopain
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a combination of two successive strong cation exchange resins gives the best results for soluble, pure enzyme with the highest activity
native mature Spe B by ammonium sulfate fractionation, dialysis, and ion exchange chromatography, recombinant His-tagged Spe B propeptide and SpeB mutant C47S from Escherichia coli
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Ni2+-chelating column chromatography
recombinant His-tagged wild-type and mutant C192S enzymes from Escherichia coli strain BL21(DE3) by nickel affinity chromatography, the wild-type enzyme autoprocesses during purification to the mature 28 kDa protein
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recombinant pro-sequence domain and refolded mature enzyme from Escherichia coli by affinity chromatography
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recombinant wild-type and inactive mutant enzyme from Escherichia coli by affinity chromatography
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the proteins are purified by Ni2+-chelating chromatography with a gradient of 20-200 mM imidazole. The proteins are concentrated by ultrafiltration using a 10 kDa cutoff membrane and then exchanged with phosphate-buffered saline
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