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Recombinant Human SEMA3A Protein(Fc Tag) (PDMH100251)

All Size Price Qty
500μg $ 1440.00
100μg $ 488.00
20μg $ 158.00
1mg $ 2340.00
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For research use only.

Synonyms SEMA3A, COLL1, HH16, Hsema-I, Hsema-III, SEMA1, SEMAD, SEMAIII, SEMAL, SemD, coll-1
Species Human
Expression Host Mammalian
Sequence Lys26-Phe546
Accession Q14563
Calculated Molecular Weight 82.2 kDa
Observed Molecular Weight 80-90 kDa
Tag C-Fc
Bio-activity Not validated for activity
Purity > 90% as determined by reducing SDS-PAGE.
Endotoxin < 1.0 EU/mg of the protein as determined by the LAL method
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.
Shipping This product is provided as lyophilized powder which is shipped with ice packs.
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with 5% Trehalose and 5% Mannitol.
Reconstitution It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis.
Background This gene is a member of the semaphorin family and encodes a protein with an Ig-like C2-type (immunoglobulin-like) domain, a PSI domain and a Sema domain. This secreted protein can function as either a chemorepulsive agent, inhibiting axonal outgrowth, or as a chemoattractive agent, stimulating the growth of apical dendrites. In both cases, the protein is vital for normal neuronal pattern development. Increased expression of this protein is associated with an schizophrenia and is seen in a variety of human tumor cell lines. Also, aberrant release of this protein is associated with an the progression of Alzheimer's disease.
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