GK80021
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Part Number:
GK80021

Exoglycosidases

AdvanceBio Sialidase S, His-tagged (formerly ProZyme). Releases α(2-3)-linked sialic acid from oligosaccharides, glycoproteins, complex carbohydrates. Replaces Sialidase S (GK80020). Includes 5x reaction buffer B [250 mM sodium phosphate pH 6.0].

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List Price:
$267.00

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Specifications
Enzyme Specificity
  • This enzyme preferentially releases a(2-3)-linked N-acetylneuraminic acid (Neu5Ac, NANA) from complex carbohydrates. Sialidase S is also active against a(2-3)-linked N-glycolyneuraminic acid [1] (Neu5Gc, NGNA), although similarly to other sialidases [2] the activity is lower toward Neu5Gc than Neu5Ac. Although the a(2-3)-linkage is preferred, Sialidase S (also known as NanB) is also capable of cleaving a(2-6)-linked sialic acid [3], particularly at higher concentrations. Adding an excess of this enzyme can lead to some cleavage of a(2-6)-linked sialic acid. Using GK80021 as directed in the certificate of analysis reduces the likelihood of these effects. Users may wish to optimize the enzyme concentration needed for specific proteins. May be used for exoglycosidase sequencing with Sialidase A (GK80040), which has a broader specificity, releasing a(2-3,6,8,9)-linked sialic acids. Sialidases are also known as neuraminidases.
Enzyme Unit Definition
  • One unit is defined as the amount of enzyme required to catalyze the release of 1 µmole of p-nitrophenol from p-nitrophenyl-α-D-N-acetylneuraminic acid per minute at 37° C, pH 5.5
Enzyme Formulation
  • Supplied lyophilized. 20 mM Tris-HCl, 25 mM NaCl (pH 7.5) upon reconstitution as indicated
Enzyme Source
  • AdvanceBio Sialidase S. Recombinant from Streptococcus pneumoniae, expressed in E. coli. 6xHis-tagged. Sialidases are also known as neuraminidases.
Unit
  • 3 U
Molecular Weight
  • ~75 kD
Resources

GK80021, SIALIDASE S (His-tagged, recombinant from Streptococcus pneumoniae expressed in E. coli), 163 003-1, Certificate of Analysis

GK80021, SIALIDASE S (His-tagged, recombinant from Streptococcus pneumoniae expressed in E. coli), 163 003-1, Certificate of Analysis

GK80021, SIALIDASE S (His-tagged, recombinant from Streptococcus pneumoniae expressed in E. coli), 163 004-1, Certificate of Analysis

GK80021, SIALIDASE S (His-tagged, recombinant from Streptococcus pneumoniae expressed in E. coli), 163 004-1, Certificate of Analysis

GK80021, SIALIDASE S (His-tagged, recombinant from Streptococcus pneumoniae expressed in E. coli), 163 005-1, Certificate of Analysis

GK80021, SIALIDASE S (His-tagged, recombinant from Streptococcus pneumoniae expressed in E. coli), 163 005-1, Certificate of Analysis

GK80021, SIALIDASE S (His-tagged, recombinant from Streptococcus pneumoniae expressed in E. coli), 163 004-1, Certificate of Analysis

GK80021, SIALIDASE S (His-tagged, recombinant from Streptococcus pneumoniae expressed in E. coli), 163 004-1, Certificate of Analysis

GK80021, SIALIDASE S (His-tagged, recombinant from Streptococcus pneumoniae expressed in E. coli), 163 002-1, Certificate of Analysis

GK80021, SIALIDASE S (His-tagged, recombinant from Streptococcus pneumoniae expressed in E. coli), 163 002-1, Certificate of Analysis

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml

AdvanceBio Sialidase S, His-tagged, 5x Reaction Buffer B

AdvanceBio Sialidase S, His-tagged, 3 Units; 5x Reaction Buffer B, 1 ml