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PDP - Template Name: Monoclonal Antibody
PDP - Template ID: *******c5e4b77
R Recombinant
Recombinant: Superior lot-to-lot consistency, continuous supply, and animal-free manufacturing.

GABARAPL1 (D5R9Y) XP® Rabbit mAb (BSA and Azide Free) #37737

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  • WB
  • IF
  • F

    Supporting Data

    REACTIVITY H M R
    SENSITIVITY Endogenous
    MW (kDa) 14, 16
    Source/Isotype Rabbit IgG
    Application Key:
    • WB-Western Blotting 
    • IF-Immunofluorescence 
    • F-Flow Cytometry 
    Species Cross-Reactivity Key:
    • H-Human 
    • M-Mouse 
    • R-Rat 

    Product Information

    Product Usage Information

    This product is the carrier free version of product #26632. All data were generated using the same antibody clone in the standard formulation which contains BSA and glycerol.

    This formulation is ideal for use with technologies requiring specialized or custom antibody labeling, including fluorophores, metals, lanthanides, and oligonucleotides. It is not recommended for ChIP, ChIP-seq, CUT&RUN or CUT&Tag assays. If you require a carrier free formulation for chromatin profiling, please contact us. Optimal dilutions/concentrations should be determined by the end user.

    Formulation

    Supplied in 1X PBS, BSA and Azide Free.

    For standard formulation of this product see product #26632

    Storage

    Store at -20°C. This product will freeze at -20°C so it is recommended to aliquot into single-use vials to avoid multiple freeze/thaw cycles. A slight precipitate may be present and can be dissolved by gently vortexing. This will not interfere with antibody performance.

    Specificity / Sensitivity

    GABARAPL1 (D5R9Y) XP® Rabbit mAb (BSA and Azide Free) recognizes endogenous levels of total GABARAPL1 protein. This antibody does not cross react with other GABARAP family members.


    Species Reactivity:

    Human, Mouse, Rat

    Source / Purification

    Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the amino terminus of human GABARAPL1 protein.

    Background

    GABAA receptor associated protein (GABARAP) is an Atg8 family protein with a key role in autophagy, which was originally discovered as a protein associated with the GABAA receptor regulating receptor trafficking to the plasma membrane (1). Proteins in this family, including microtubule-associated protein light chain 3 (LC3) and GATE-16 (GABARAPL2), become incorporated into the autophagosomal membranes following autophagic stimuli such as starvation (2). Like the other family members, GABARAP is cleaved at its carboxyl terminus, which leads to conjugation by either of the phospholipids phosphatidylethanolamine or phosphatidylserine (3,4). This processing converts GABARAP from a type I to a type II membrane bound form involved in autophagosome biogenesis. Processing of GABARAP involves cleavage by Atg4 family members (5,6) followed by conjugation by the E1 and E2 like enzymes Atg7 and Atg3 (7,8). GABARAPL1/GEC1, a protein that is highly related to GABARAP, was identified as an estrogen inducible gene, and is also associated with autophagosomes (9-11).
    Gamma-aminobutyric acid receptor-associated protein-like 1 (GABARAPL1) appears to be more highly expressed in the CNS as compared to other family members (12-14). Expression of GABARAPL1 is associated with prognosis of some cancers, including hepatocellular and breast cancer (15,16). Inhibition of GABARAPL1 expression in breast cancer cells attenuates autophagic flux, results in metabolic changes, and leads to cancer promoting activities (17).

    1. Wang, H. et al. (1999) Nature 397, 69-72.
    2. Shpilka, T. et al. (2011) Genome Biol 12, 226.
    3. Kabeya, Y. et al. (2004) J Cell Sci 117, 2805-12.
    4. Sou, Y.S. et al. (2006) J Biol Chem 281, 3017-24.
    5. Tanida, I. et al. (2004) J Biol Chem 279, 36268-76.
    6. Hemelaar, J. et al. (2003) J Biol Chem 278, 51841-50.
    7. Tanida, I. et al. (2001) J Biol Chem 276, 1701-6.
    8. Tanida, I. et al. (2002) J Biol Chem 277, 13739-44.
    9. Chakrama, F.Z. et al. (2010) Autophagy 6, 495-505.
    10. Pellerin, I. et al. (1993) Mol Cell Endocrinol 90, R17-21.
    11. Vernier-Magnin, S. et al. (2001) Biochem Biophys Res Commun 284, 118-25.
    12. Nemos, C. et al. (2003) Brain Res Mol Brain Res 119, 216-9.
    13. Wang, Y. et al. (2006) Neuroscience 140, 1265-76.
    14. Le Grand, J.N. et al. (2013) PLoS One 8, e63133.
    15. Liu, C. et al. (2014) Oncol Rep 31, 2043-8.
    16. Berthier, A. et al. (2010) Br J Cancer 102, 1024-31.
    17. Boyer-Guittaut, M. et al. (2014) Autophagy 10, 986-1003.
    For Research Use Only. Not For Use In Diagnostic Procedures.
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