Pref-1/DLK1/FA1 Antibody (211309) [Alexa Fluor® 488]

• Applications: Flow
• Clone: 211309
• Clonality: Monoclonal
• Host: Mouse
• Conjugate: Alexa Fluor 488

Pref-1/DLK1/FA1 Antibody (211309) [Alexa Fluor® 488] Summary

• Immunogen: Mouse myeloma cell line NS0-derived recombinant human Pref-1/DLK1/FA1 long isoform
  Ala24-Pro297 (with Arg248Pro and Lys295Ser substitutions)
  Accession # P80370
• Specificity: Detects human Pref‑1/DLK1/FA1 in direct ELISAs and Western blots. Shows approximately 50% cross-reactivity with recombinant mouse Pref‑1/DLK1/FA1.
• Source: N/A
• Isotype: IgG2b
• Clonality: Monoclonal
• Host: Mouse
• Gene: DLK1
• Purity Statement: Protein A or G purified from hybridoma culture supernatant

Packaging, Storage & Formulations

• Storage: Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.
• Buffer: Supplied in a saline solution containing BSA and Sodium Azide.
• Preservative: Sodium Azide

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Background

Pref-1 (Preadipocyte Factor 1), also known as DLK1 and FA1, is a 58-65 kDa member of the Notch/Serrata/Delta family of proteins.  It is expressed in prechondrocytes and preadipocytes and appears to block progenitor cell differentiation into mature cell lineages.  Mature human Pref-1 is a 360 amino acid (aa) type I transmembrane N- and O-linked glycoprotein.  It contains a 280 aa extracellular region (aa 24-303), a 24 aa transmembrane segment (aa 304-327), and a 56 aa cytoplasmic domain (aa 328-383).  The extracellular region contains six EGF-like domains, and undergoes proteolytic cleavage to generate a bioactive 50 kDa fragment, plus three 25-31 kDa fragments that show no activity.  There are multiple potential splice variants.  One shows a deletion of aa 229-301, a second possesses a six aa substitution for aa 1-52, a third shows a deletion of aa 210-277, while a fourth contains a six aa substitution for aa 207-383.  Over aa 24-297, human Pref-1 shares 82% aa identity with mouse Pref-1.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

Bioinformatics

• Gene Symbol: DLK1