SCF Protein, Mouse (P.pastoris)

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SCF Protein, Mouse (P.pastoris) is the ligand for the receptor-type protein-tyrosine kinase KIT.It plays an essential role in the regulation of cell survival and proliferation, hematopoiesis, stem cell maintenance, gametogenesis, mast cell development, migration and function, and in melanogenesis.

For research use only. We do not sell to patients.
  • Species: Mouse
  • Source: P. pastoris
  • Storage:
    Stored at -20°C for 2 years from date of receipt. 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.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • References
  • Help & FAQs

Biological Activity

Description

SCF Protein, Mouse (P.pastoris) is the ligand for the receptor-type protein-tyrosine kinase KIT.It plays an essential role in the regulation of cell survival and proliferation, hematopoiesis, stem cell maintenance, gametogenesis, mast cell development, migration and function, and in melanogenesis.

Background

Embryo implantation is a complex process that requires the interaction of embryo and endometrium. Several growth factors and cytokines appear to be involved in this process. Stem cell factor (SCF) and its receptor c-kit regulate the proliferation and survival of germ cells and play an important role in follicular development. During embryonic development, SCF and c-kit are essential for the survival and proliferation of the germ cell and migration toward the gonad. c-kit mRNA is expressed in the primordial germ cells, while the SCF transcript is expressed along their migratory pathway toward the genital ridge[1].

Verified Bioactivity

The ED50 is <10.0 ng/mL as measured by human TF-1 cells, corresponding to a specific activity of >1.0× 105 units/mg.

Technical Parameters

  • Species Mouse
  • Source P. pastoris
  • Tag Tag Free
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • SCF (K26-A189)
      Accession # P20826
    • C-term
  • Protein Length

    Full Length of Soluble KIT ligand

  • Synonyms

    KITLG; SLF; Prev. MGF; Familial Progressive Hyperpigmentation 2; SCF; Steel Factor; Mast Cell Growth Factor; C-Kit Ligand; Stem Cell Factor; Kit Ligand; DFNA69; SHEP7; Kitl; DCUA; KL-1; FPHH; FPH2; WS2F; KIT Ligand; SF

  • AA Sequence

    KEICGNPVTDNVKDITKLVANLPNDYMITLNYVAGMDVLPSHCWLRDMVIQLSLSLTTLLDKFSNISEGLSNYSIIDKLGKIVDDLVLCMEENAPKNIKESPKRPETRSFTPEEFFSIFNRSIDAFKDFMVASDTSDCVLSSTLGPEKDSRVSVTKPFMLPPVA

  • Molecular Weight

    Approximately 18 kDa, based on SDS-PAGE under reducing conditions.

  • Glycosylation

    Yes

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.22 μm filtered solution of 50 mM Tris, pH 8.0.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.

Endotoxin Level

<0.2 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 from date of receipt. 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.

References

Calculators

Reconstitution Calculator

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

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

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

Concentration (start) Concentration (start)
×
Volume (start) Volume (start)
=
Concentration (final) Concentration (final)
×
Volume (final) Volume (final)
The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

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

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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