HepG2 human hepatocellular carcinoma cell line was stained with Mouse Anti-Human Pref-1/DLK1/FA1 Alexa Fluor® 488-conjugated Monoclonal Antibody (Catalog # FAB1144G, filled histogram) or isotype control antibody ...read more
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
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Test in a species/application not listed above to receive a full credit towards a future purchase.
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.
Alternate Names for Pref-1/DLK1/FA1 Antibody (211309) [Alexa Fluor® 488]
delta-like 1 homolog (Drosophila)
DLK
DLK1
DLK-1
FA1
FA1fetal antigen 1
pG2
pG2delta-like homolog (Drosophila)
preadipocyte factor 1
Pref1
Pref-1
protein delta homolog 1
secredeltin
ZOG
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.
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