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Semaphorin-3A/SEMA3A Protein, Mouse (HEK293, Fc)

Cat. No.: HY-P74566
COA Handling Instructions

Semaphorin-3A/SEMA3A Protein guides growth cones and is implicated in sensory projection patterning, selectively repelling axons that terminate dorsally.It contributes to olfactory system development and neuronal control of puberty.SEMA3A interacts with PXND1, although the exact nature of this interaction is unspecified.Semaphorin-3A/SEMA3A Protein, Mouse (HEK293, Fc) is the recombinant mouse-derived Semaphorin-3A/SEMA3A protein, expressed by HEK293 , with N-hFc labeled tag.

For research use only. We do not sell to patients.

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  • Biological Activity

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Description

Semaphorin-3A/SEMA3A Protein guides growth cones and is implicated in sensory projection patterning, selectively repelling axons that terminate dorsally.It contributes to olfactory system development and neuronal control of puberty.SEMA3A interacts with PXND1, although the exact nature of this interaction is unspecified.Semaphorin-3A/SEMA3A Protein, Mouse (HEK293, Fc) is the recombinant mouse-derived Semaphorin-3A/SEMA3A protein, expressed by HEK293 , with N-hFc labeled tag.

Background

The Semaphorin-3A/SEMA3A protein plays a crucial role in guiding growth cones. It is believed to participate in patterning sensory projections by selectively repelling axons that typically terminate dorsally. SEMA3A is also involved in the development of the olfactory system and contributes to neuronal control of puberty. Additionally, it interacts with PXND1, although the exact nature of this interaction is not specified.

Biological Activity

Measured by its binding ability in a functional ELISA. Immobilized Human Neuropilin-1 at 5 μg/mL (100 μL/well) can bind Human Semaphorin 3A. The ED50 for this effect is 41.82-166 ng/mL.

  • Measured by its binding ability in a functional ELISA. Immobilized Mouse Neuropilin-1 at 5μg/mL (100 μL/well) can bind biotinylated Mouse SEMA3A. The ED50 for this effect is 41.82 ng/mL.
Species

Mouse

Source

HEK293

Tag

N-hFc

Accession

O08665 (K26-F546)

Gene ID
Molecular Construction
N-term
hFc
SEMA3A (K26-F546)
Accession # O08665
C-term
Synonyms
Synonyms: Semaphorin III; SEMA3A; SEMAD; Hsema-I; SEMA1; Hsema-III
AA Sequence

KNNVPRLKLSYKEMLESNNVITFNGLANSSSYHTFLLDEERSRLYVGAKDHIFSFNLVNIKDFQKIVWPVSYTRRDECKWAGKDILKECANFIKVLEAYNQTHLYACGTGAFHPICTYIEVGHHPEDNIFKLQDSHFENGRGKSPYDPKLLTASLLIDGELYSGTAADFMGRDFAIFRTLGHHHPIRTEQHDSRWLNDPRFISAHLIPESDNPEDDKVYFFFRENAIDGEHSGKATHARIGQICKNDFGGHRSLVNKWTTFLKARLICSVPGPNGIDTHFDELQDVFLMNSKDPKNPIVYGVFTTSSNIFKGSAVCMYSMSDVRRVFLGPYAHRDGPNYQWVPYQGRVPYPRPGTCPSKTFGGFDSTKDLPDDVITFARSHPAMYNPVFPINNRPIMIKTDVNYQFTQIVVDRVDAEDGQYDVMFIGTDVGTVLKVVSVPKETWHDLEEILLEEMTVFREPTTISAMELSTKQQQLYIGSTAGVAQLPLHRCDIYGKACAECCLARDPYCAWDGSSCSRYF

Molecular Weight

Approximately 80-95 kDa due to the glycosylation.

Purity
  • Greater than 95% as determined by reducing SDS-PAGE.
Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4 or 20 mM PB, 150 mM NaCl, pH 7.4.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Storage & Stability

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Documentation

Semaphorin-3A/SEMA3A Protein, Mouse (HEK293, Fc) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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Product Name:
Semaphorin-3A/SEMA3A Protein, Mouse (HEK293, Fc)
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HY-P74566
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