|Application ||WB, IHC-P, IF, E|
|Other Accession||NP_055498, 217330557|
|Calculated MW||Predicted: 105, 114 kDa |
Observed: 100 kDa
|Application Notes||ULK2 Antibody can be used for detection of ULK2 by Western blot at 1 µg/mL.|
|Target/Specificity||ULK2; At least two isoforms of ULK2 are known to exist; this antibody will detect both isoforms. ULK2 antibody is predicted to not cross-react with ULK1.|
|Reconstitution & Storage||ULK2 antibody can be stored at 4℃ for three months and -20℃, stable for up to one year.|
|Precautions||ULK2 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Serine/threonine-protein kinase involved in autophagy in response to starvation. Acts upstream of phosphatidylinositol 3- kinase PIK3C3 to regulate the formation of autophagophores, the precursors of autophagosomes. Part of regulatory feedback loops in autophagy: acts both as a downstream effector and a negative regulator of mammalian target of rapamycin complex 1 (mTORC1) via interaction with RPTOR. Activated via phosphorylation by AMPK, also acts as a negative regulator of AMPK through phosphorylation of the AMPK subunits PRKAA1, PRKAB2 and PRKAG1. May phosphorylate ATG13/KIAA0652, FRS2, FRS3 and RPTOR; however such data need additional evidences. Not involved in ammonia-induced autophagy or in autophagic response of cerebellar granule neurons (CGN) to low potassium concentration. Plays a role early in neuronal differentiation and is required for granule cell axon formation: may govern axon formation via Ras-like GTPase signaling and through regulation of the Rab5-mediated endocytic pathways within developing axons.|
|Cellular Location||Cytoplasmic vesicle membrane; Peripheral membrane protein. Note=Localizes to pre- autophagosomal membrane|
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Provided below are standard protocols that you may find useful for product applications.
ULK2 Antibody: ULK2, also known as ATG1B, is a key serine/threonine protein kinase probably acting at the most upstream step of autophagosome formation. Knockout of ULK2 results in a severe defect in the autophagy pathway. ULK2 is highly conserved among eukaryotes and shows high homology with its related protein ULK1. Both ULK1 and ULK2 form a complex with ATG13 and FIP200 that mediates TOR signaling and is essential for autophagy. Like ULK1, ULK2 is also thought to be involved in early neuronal growth and differentiation.
Suzuki K, Kubota Y, Sekito T, et al. Hierarchy of Atg proteins in pre-autophagosomal structure organization. Genes to Cells 2007; 12:209–18.
Lee EJ and Tournier C. The requirement of uncoordinated 51-like kinase 1 (ULK1) and ULK2 in the regulation of autophagy. Autophagy 2011; 7:689-95.
Jung CH, Jun CB, Ro SH, et al. ULK-ATG13-FIP200 complexes mediate mTOR signaling to the autophagy machinery. Mol. Biol. Cell 2009; 20:1992-2003.
Zhou X, Babu JR, da Silva S, et al.Unc-51-like kinase 1/2-mediated endocytic processes regulate filopodia extension and branching of sensory axons. Proc. Natl. Acad. Sci. USA 2007; 104:5842-7.
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