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

Cat. No.: HY-P78350
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, His) is the recombinant mouse-derived Semaphorin-3A/SEMA3A protein, expressed by HEK293, with N-His labeled tag. The total length of Semaphorin-3A/SEMA3A Protein, Mouse (HEK293, His) is 752 a.a., with molecular weight of ~86.6 kDa.

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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, His) is the recombinant mouse-derived Semaphorin-3A/SEMA3A protein, expressed by HEK293, with N-His labeled tag. The total length of Semaphorin-3A/SEMA3A Protein, Mouse (HEK293, His) is 752 a.a., with molecular weight of ~86.6 kDa.

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.

Species

Mouse

Source

HEK293

Tag

N-His

Accession

O08665 (Y21-V772)

Gene ID

20346  [NCBI]

Molecular Construction
N-term
His
SEMA3A (Y21-V772)
Accession # O08665
C-term
Synonyms
Semaphorin-3A; Semaphorin III; Sema III; Semaphorin-D; Sema D; coll-1; collapsin 1; Hsema-I; Hsema-III; MGC133243; SEMA1, Sema3A; SEMAD; SEMAIII; SEMAL; semaphorin L
Molecular Weight

Approximately 86.6 kDa

Purity

Greater than 95% as determined by Tris-Bis PAGE.

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μm filtered solution of 20 mM Tris, 150 mM NaCl, 100 mM L-Arginine, 100 mM glutamic acid, pH 8.5. Normally 8% trehalose is added as protectant before lyophilization.

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.

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, His) 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.

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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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Semaphorin-3A/SEMA3A Protein, Mouse (HEK293, His)
Cat. No.:
HY-P78350
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