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Human SIGLEC6 / CD327 Protein (Fc Tag)

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SIGLEC6Protein Product Information
Synonym:SIGLEC6, CD33L, CD33L1, OBBP1
Protein Construction:A DNA sequence encoding the human SIGLEC6 (O43699-3) (Gln27-Val331) was expressed with the Fc region of human IgG1 at the C-terminus.
Species:Human
Expressed Host:Human Cells
Form & Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
SIGLEC6Protein QC Testing
Purity:> 90 % as determined by SDS-PAGE
Endotoxin:< 1.0 EU per μg of the protein as determined by the LAL method
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Gln 27
Molecule Mass:The recombinant human SIGLEC6/Fc is a disulfide-linked homodimer. The reduced monomer comprises 546 amino acids and has a predicted molecular mass of 60.7 kDa. The apparent molecular mass of the protein is approximately 66-73 kDa in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile PBS, pH 7.4.
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
SIGLEC6Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
12241-H02H
Background

SIGLEC6, also known as CD327, belongs to the immunoglobulin superfamily, SIGLEC (sialic acid binding Ig-like lectin) family. SIGLEC6 is a sialic acid recognizing protein expressed at high levels in placenta (cyto- and syncytiotrophoblastic cells) and at lower levels in spleen, peripheral blood leukocytes (predominantly B-cells) and small intestine. SIGLEC6 localizes in various compartments such as membrane fraction, extracellular region and so on. SIGLEC6 may show increasing expression human labor and following childbirth, it has been speculated that this expression helps to slow the tempo of human labor.  Interestingly, expression of SIGLEC6 is further upregulated in pre-eclampsia, which appears to be a uniquely human disease.

References
  • Winn VD. et al., 2009, Endocrinology. 150 (1): 452-62.
  • Davila S. et al., 2010, Genes Immun. 11 (3): 232-8.
  • Lam KK. et al., 2011, J Biol Chem. 286 (43): 37118-27.
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    Catalog:12241-H02H-50
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    • Human SIGLEC6 / CD327 Protein (Fc Tag) SDS-PAGE
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