Revision 1
#4776
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For Research Use Only. Not for Use in Diagnostic Procedures.
Applications:
W
Reactivity:
H
Sensitivity:
Endogenous
MW (kDa):
150
Source/Isotype:
Rabbit
UniProt ID:
#O75385
Entrez-Gene Id:
8408
Product Usage Information
Application | Dilution |
---|---|
Western Blotting | 1:1000 |
Storage
Specificity/Sensitivity
ULK1 (A705) Antibody detects endogenous levels of total ULK1 protein.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Ala705 of human ULK1. Antibodies were purified by protein A and peptide affinity chromatography.
Background
Two related serine/threonine kinases, UNC-51-like kinase 1 and 2 (ULK1, ULK2), were discovered as mammalian homologs of the C. elegans gene unc-51 in which mutants exhibited abnormal axonal extension and growth (1-4). Both proteins are widely expressed and contain an amino-terminal kinase domain followed by a central proline/serine rich domain and a highly conserved carboxy-terminal domain. The roles of ULK1 and ULK2 in axon growth have been linked to studies showing that the kinases are localized to neuronal growth cones and are involved in endocytosis of critical growth factors, such as NGF (5). Yeast two-hybrid studies found ULK1/2 associated with modulators of the endocytic pathway, SynGAP, and syntenin (6). Structural similarity of ULK1/2 has also been recognized with the yeast autophagy protein Atg1/Apg1 (7). Knockdown experiments using siRNA demonstrated that ULK1 is essential for autophagy (8), a catabolic process for the degradation of bulk cytoplasmic contents (9,10). It appears that Atg1/ULK1 can act as a convergence point for multiple signals that control autophagy (11), and can bind to several autophagy-related (Atg) proteins, regulating phosphorylation states and protein trafficking (12-16).
Background References
- Ogura, K. et al. (1994) Genes Dev 8, 2389-400.
- Kuroyanagi, H. et al. (1998) Genomics 51, 76-85.
- Yan, J. et al. (1998) Biochem Biophys Res Commun 246, 222-7.
- Yan, J. et al. (1999) Oncogene 18, 5850-9.
- Zhou, X. et al. (2007) Proc Natl Acad Sci USA 104, 5842-7.
- Tomoda, T. et al. (2004) Genes Dev 18, 541-58.
- Matsuura, A. et al. (1997) Gene 192, 245-50.
- Chan, E.Y. et al. (2007) J Biol Chem 282, 25464-74.
- Reggiori, F. and Klionsky, D.J. (2002) Eukaryot Cell 1, 11-21.
- Codogno, P. and Meijer, A.J. (2005) Cell Death Differ 12 Suppl 2, 1509-18.
- Stephan, J.S. and Herman, P.K. (2006) Autophagy 2, 146-8.
- Okazaki, N. et al. (2000) Brain Res Mol Brain Res 85, 1-12.
- Young, A.R. et al. (2006) J Cell Sci 119, 3888-900.
- Kamada, Y. et al. (2000) J Cell Biol 150, 1507-13.
- Lee, S.B. et al. (2007) EMBO Rep 8, 360-5.
- Hara, T. et al. (2008) J Cell Biol 181, 497-510.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
W: Western Blotting
Cross-Reactivity Key
H: Human M: Mouse R: Rat Hm: Hamster Mk: Monkey Vir: Virus Mi: Mink C: Chicken Dm: D. melanogaster X: Xenopus Z: Zebrafish B: Bovine Dg: Dog Pg: Pig Sc: S. cerevisiae Ce: C. elegans Hr: Horse GP: Guinea Pig Rab: Rabbit G: Goat All: All Species Expected
Trademarks and Patents
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Revision 1
#4776
ULK1 (A705) Antibody
Western blot analysis of extracts from COS cells, untransfected (-) or transfected with a construct overexpressing human ULK1 (+), using ULK1 (A705) Antibody.
Western blot analysis of extracts from RD and SH-SY5Y cells using ULK1 (A705) Antibody.