PROVETOP

Biotinylated Human Siglec-8 Protein

Catalog No: SIGLEC8-HB001

Species
Human
Expression System
HEK293
Tag
His, Avi

Product overview

Recombinant Biotinylated Human Siglec-8 Protein is expressed in HEK293 cells with a His tag and Avi tag at the C-terminus. It contains amino acid residues Met17-Ala363 (UniProt accession: Q9NYZ4).

Product Details

Molecular Aliases
CDw329; MGC59785; SAF2; SAF2SAF-2; Siglec-8; SIGLEC8L; SIGLEC8; SAF2SAF2
Protein Length
Met17-Ala363
Expression System
HEK293
Theoretical Molecular Weight
The protein has a predicted MW of 40.7 kDa. Due to glycosylation, the protein migrates to 50-60 kDa based on Bis-Tris PAGE result.
Purity
> 95% as determined by Bis-Tris PAGE
Endotoxin
Less than 1 EU per μg by the LAL method.
Buffer / Formulation
Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
State
Lyophilized
Storage Conditions
-20 to -80°C for 12 months as supplied from date of receipt. -80°C for 3 months after reconstitution. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.
Reconstitution Advice
Dissolve the lyophilized protein in distilled water. Please refer to the Certificate of Analysis for detailed instructions.

Data Display

Bis-Tris PAGE
SIGLEC8-HB001 Bis-Tris-PAGE result

Biotinylated Human Siglec-8 on Bis-Tris PAGE under reduced conditions. The purity is greater than 95%.

Background

Siglec-8, also known as SAF, is an approximately 75 kDa transmembrane glycoprotein in the Siglec family of sialic acid-binding immune regulatory molecules. Mature human Siglec-8 consists of a 347 amino acid (aa) extracellular domain (ECD) with three Ig-like domains. Putative adhesion molecule that mediates sialic-acid dependent binding to red blood cells. Preferentially binds to alpha-2,3-linked sialic acid. Also binds to alpha-2,6-linked sialic acid.

References

  1. Macauley M S, Crocker P R, Paulson J C. Siglec-mediated regulation of immune cell function in disease[J]. Nature Reviews Immunology, 2014, 14(10):653-666.

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