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Human Semaphorin 5A / SEMA5A Protein (Fc Tag)

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Human SEMA5A Protein Product Information
Synonym:FLJ12815, SEMAF, semF, SEMA5A
Protein Construction:A DNA sequence encoding the amino acids (Met 1-Thr 765) of human SEMA5A (NP_003957.2) extracellular domain was fused with Fc region of human IgG1 at the C-terminus.
Expressed Host:Human Cells
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.
Human SEMA5A Protein 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:Glu 23
Molecule Mass:The recombinant human SEMA5A (aa 1-765)/Fc is a disulfide-linked homodimer. The reduced monomer consists of 984 amino acids and predictes a molecular mass of 110.7 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of rh SEMA5A/Fc monomer is approximately 125-135 kDa due to glycosylation.
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.
Human SEMA5A Protein 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.
Human SEMA5A Protein SDS-PAGE
Human Semaphorin 5A / SEMA5A Protein (Fc Tag) SDS-PAGE
Other SEMA5A Recombinant Protein Products
Semaphorin 5A/SEMA5A Background

Semaphorins are secreted, transmembrane, and GPI-linked proteins, defined by cysteine-rich semaphorin protein domains, that have important roles in a variety of tissues. Humans have 20 semaphorins, Drosophila has five, and two are known from DNA viruses. Semaphorins are found in nematodes and crustaceans but not in non-animals. They are grouped into eight classes on the basis of phylogenetic tree analyses and the presence of additional protein motifs. Semaphorins have been implicated in diverse developmental processes such as axon guidance during nervous system development and regulation of cell migration. Semaphorin-5A, also known as Semaphorin-F, Sema F, SEMA5A and SEMAF, is a single-pass type I membrane protein which belongs to the semaphorin family. Semaphorin5A / SEMA5A contains one PSI domain, one Sema domain and seven TSP type-1 domains. It may act as positive axonal guidance cues. Semaphorin5A / SEMA5A is an axon regulator molecule and plays major roles during neuronal and vascular development. It plays an essential role in embryonic development. Semaphorin5A / SEMA5A induces endothelial cell migration from pre-existing vessels. It also plays a role in autism, reducing the ability of neurons to form connections with other neurons in certain brain regions.

Human Semaphorin 5A/SEMA5A References
  • Strausberg RL. et al., 2003, Proc Natl Acad Sci.  99 (26): 16899-903.
  • Neufeld G. et al., 2005, Front Biosci. 10: 751-60.
  • Fiore R. et al., 2005, Mol Cell Biol. 25 (6): 2310-9.
  • Yazdani U. et al., 2006, Genome Biol. 7 (3): 211.
  • Sadanandam A. et al., 2010, Microvasc Res. 79 (1): 1-9.
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    Catalog: 11300-H02H-20
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