SEMA4D/CD100HUMAN

Code: SRP6444-10UG D2-231

General description

Cluster of Differentiation 100 (CD100), also known as Semaphorin-4D (SEMA4D), is a single-pass type I membrane protein which belongs to the semaphorin fam...


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€344.03 10UG
Discontinued
€423.16 inc. VAT

General description

Cluster of Differentiation 100 (CD100), also known as Semaphorin-4D (SEMA4D), is a single-pass type I membrane protein which belongs to the semaphorin family, and is a human 150-kDa homodimer expressed at the surface of most hemopoietic cells. Semaphorin genes encode soluble and membrane-bound proteins, most of which have been shown to act as chemorepellents on growth cone guidance. CD100 is discrete, as it is a transmembrane leukocyte surface molecule that can also exist in a soluble form. Semaphorin 4D (Sema 4D) is an axon guidance molecule which is secreted by oligodendrocytes and induces growth cone collapse in the central nervous system. By binding plexin B1 receptor it functions as an R-Ras GTPase-activating protein (GAP) and repels axon growth cones in both the mature central nervous system. In the immune system, CD100 binds CD72 to activate B cells and dendritic cells, though much about this interaction is still under investigation. It is involved in oligodendrogenesis during development and during recovery from ischemic injury.

Physical form

Lyophilized from 0.22 µm filtered solution in 50 mM tris, 100 mM glycine, pH 7.0. Normally Mannitol or Trehalose is added as protectants before lyophilization.

Reconstitution

Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 µg/mL. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C.

assay≥95% (SDS-PAGE)
biological sourcehuman
formlyophilized
Gene Informationhuman ... SEMA4D(10507)
impurities﹤1 EU/µg endotoxin (LAL test)
mol wtcalculated mol wt 105.4 kDa (This protein is fused with Fc fragment of human IgG1 at the C-terminus.), observed mol wt 120-140 kDa by SDS-PAGE (reducing) (Met 22 is the predicted N-terminal .)
packagingpkg of 50 µg, pkg of 10 µg
recombinantexpressed in HEK 293 cells
shipped inwet ice
storage temp.−20°C
UniProt accession no.Q92854
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