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Recombinant Human Semaphorin 4D/SEMA4D Protein (His Tag)(Active)

£487.20 – £609.00 excluding VAT

SKU FAS-030994-P Category Tag

SIGLEC5 contains 2 Ig-like C2-type (immunoglobulin-like) domains and 1 Ig-like V-type (immunoglobulin-like) domain. It belongs to the immunoglobulin superfamily and SIGLEC (sialic acid binding Ig-like lectin) family. SIGLEC5 is expressed by monocytic/myeloid lineage cells. It is found at high levels in peripheral blood leukocytes, spleen, bone marrow and at lower levels in lymph node, lung, appendix, placenta, pancreas and thymus. It is also expressed by monocytes and neutrophils but absent from leukemic cell lines representing early stages of myelomonocytic differentiation. SIGLEC5 is a putative adhesion molecule that mediates sialic-acid dependent binding to cells. It binds equally to alpha-2,3-linked and alpha-2,6-linked sialic acid. The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface.

Size

50µg
Active Protein

Active protein
Activity

Measured by its binding ability in a functional ELISA. Immobilized human SEMA4D-His at 10 μg/ml (100 μl/well) can bind mouse PTPRC-Fc with a linear range of 0.625-5 μg/ml.
Protein Construction

A DNA sequence encoding the human SEMA4D isoform 1 (Q92854-1) extracellular domain (Met 1-Arg 734) was expressed, with a polyhistidine tag at the C-terminus.
Sequence

Met 1-Arg 734
Fusion Tag

C-His
Accession

Q92854-1
Species

Human
Expressed Host

HEK293 Cells
Shipping

This product is provided as lyophilized powder which is shipped with ice packs.
Purity

> 92 % as determined by reducing SDS-PAGE.
Endotoxin

< 1.0 EU per µg of the protein as determined by the LAL method.
Stability and Storage

Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
Mol Mass

80.7 kDa
AP Mol Mass

110 kDa
Formulation

Lyophilized from sterile PBS, pH 7.4
Research Areas
Reconstitution

Please refer to the printed manual for detailed information.

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