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Recombinant Rat SCF/c-kit Ligand Protein

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SDS-Page: Rat SCF/c-kit Ligand Protein [NBP2-35288]

Product Details

Summary
Reactivity RtSpecies Glossary
Applications PAGE, Bioactivity
Format
Carrier-Free
Concentration
LYOPH

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Recombinant Rat SCF/c-kit Ligand Protein Summary

Description
A single non-glycosylated polypeptide chain containing 165 amino acids corresponding to SCF/c-kit Ligand Source: E. coli

Uniprot ID: P21581

Amino Acid Sequence: MQEICRNPVT DNVKDITKLV ANLPNDYMIT LNYVAGMDVL PSHCWLRDMV THLSVSLTTL LDKFSNISEG LSNYSIIDKL GKIVDDLVAC MEENAPKNVK ESLKKPETRN FTPEEFFSIF NRSIDAFKDF MVASDTSDCV LSSTLGPEKD SRVSVTKPFM LPPVA

This lyophilized preparation is stable at 2-8 degrees C, but should be kept at -20 degrees C for long term storage, preferably desiccated. Upon reconstitution, the preparation is most stable at -20 to -80 degrees C, and can be stored for one week at 2-8 degrees C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 degrees C to -80 degrees C. Avoid repeated freeze/thaw cycles.

Details of Functionality
SCF Protein is fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using murine MC/9-2 mast cells is less than 5 ng/ml, corresponding to a specific activity of > 2.0 x 10^5 IU/mg.
Source
E. coli
Protein/Peptide Type
Recombinant Protein
Gene
KITLG
Purity
>95%, by SDS-PAGE and HPLC
Endotoxin Note
Less than 1 EU/ug of SCF/c-kit Ligand as determined by LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
  • SDS-Page
Theoretical MW
18.5 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Packaging, Storage & Formulations

Storage
Store at -20 to -70C as supplied. After reconstitution, store at 2 to 8C for 1 month and at -20 to -70C for long term storage. Avoid repeated freeze-thaw cycles.
Buffer
Lyophilized from a 0.2 um filtered concentrated solution in PBS, pH 7.4.
Preservative
No Preservative
Concentration
LYOPH
Purity
>95%, by SDS-PAGE and HPLC
Reconstitution Instructions
Recommended to centrifuge prior to opening. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0mg/mL. Apportion stock solutions into working aliquots and store at <-20C.

Alternate Names for Recombinant Rat SCF/c-kit Ligand Protein

  • c-kit Ligand
  • DCUA
  • DFNA69
  • DKFZp686F2250
  • familial progressive hyperpigmentation 2
  • FPH2
  • FPHH
  • KIT ligand
  • Kitl
  • KITLG
  • KL-1
  • Mast cell growth factor
  • MGF
  • MGFSHEP7
  • SCF
  • SCFStem cell factor
  • SFc-Kit ligand
  • SHEP7
  • SLF
  • steel factor

Background

Stem Cell Factor (SCF) which binds to the c-Kit receptor is produced by fibroblasts and endothelial cells. The soluble and transmembrane forms of the protein are formed by alternative splicing of the same RNA transcript and the presence of both soluble and transmembrane SCF is required for normal hematopoietic function. SCF plays an important role in hematopoiesis, spermatogenesis, and melanogenesis. In addition, it also promotes mast cell adhesion, migration, proliferation, and survival 3. Rat SCF shares 75 % - 90 % a.a. sequence identity with canine, feline, mouse, and human SCF. Furthermore, rat SCF is active on mouse and human cells, but human SCF is only weakly active on mouse cells.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Peptides and proteins are guaranteed for 3 months from date of receipt.

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Bioinformatics

Gene Symbol KITLG
Uniprot