WB
H M R
Endogenous
68
Rabbit IgG
#Q676U5
55054
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Specificity / Sensitivity
Species Reactivity:
Human, Mouse, Rat
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser278 of human Atg16L1 protein.
Background
Autophagy is a catabolic process for the autophagosomic-lysosomal degradation of bulk cytoplasmic contents. Control of autophagy was largely discovered in yeast and involves proteins encoded by a set of autophagy-related genes (Atg) (1). Formation of autophagic vesicles requires a pair of essential ubiquitin-like conjugation systems, Atg12-Atg5 and Atg8 (LC3)-phosphatidylethanolamine (LC3-PE), which are widely conserved in eukaryotes (2).Mammalian Atg16L1, containing an amino-terminal coiled-coil domain and carboxyl-terminal WD-repeats, has multiple isoforms produced by alternative splicing (3,4). Atg16L1 provides a functional link between the two crucial ubiquitin-like conjugation systems of autophagy. Atg16L1 binds Atg5 of the Atg12-Atg5 conjugate forming an 800 kDa multimeric complex (3). The Atg12-Atg-5-Atg16L1 complex localizes to pre-autophagosomal membranes, where it determines the site of LC3 lipidation and catalyzes the reaction required for the formation of mature autophagosomes (3,5). Genome-wide association scanning revealed variations in the Atg16L1 gene associated with Crohn's disease (6,7). Mice lacking the coiled-coil domain of Atg16L1 have impaired autophagosome formation and elevated inflammatory cytokines, consistent with its role in inflammatory disease pathogenesis (8). Hypomorphic Atg16L1 mice also show defects in autophagy and abnormalities in intestinal Paneth cell function similar to that found in Crohn's disease (9).
ULK1-mediated phosphorylation of Atg16L1 at Ser278 promotes xenophagy, a selective autophagic process directed against pathogens (10).
- Reggiori, F. and Klionsky, D.J. (2002) Eukaryot Cell 1, 11-21.
- Ohsumi, Y. (2001) Nat Rev Mol Cell Biol 2, 211-6.
- Mizushima, N. et al. (2003) J Cell Sci 116, 1679-88.
- Zheng, H. et al. (2004) DNA Seq 15, 303-5.
- Fujita, N. et al. (2008) Mol Biol Cell 19, 2092-100.
- Hampe, J. et al. (2007) Nat Genet 39, 207-11.
- Rioux, J.D. et al. (2007) Nat Genet 39, 596-604.
- Saitoh, T. et al. (2008) Nature 456, 264-8.
- Cadwell, K. et al. (2008) Nature 456, 259-63.
- Alsaadi, R.M. et al. (2019) EMBO Rep 20, e46885.
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 nonfat dry milk, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: 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 All: all species expected
Trademarks and Patents
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