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ULK1
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 negative regulator of mammalian target of rapamycin complex 1 (mTORC1) via interaction with RPTOR. Activated via phosphorylation by AMPK and also acts as a regulator of AMPK by mediating phosphorylation of AMPK subunits PRKAA1, PRKAB2 and PRKAG1, leading to negatively regulate AMPK activity. May phosphorylate ATG13/KIAA0652 and RPTOR; however such data need additional evidences. Plays a role early in neuronal differentiation and is required for granule cell axon formation. May also phosphorylate SESN2 and SQSTM1 to regulate autophagy (PubMed:25040165).
Protein class
Enzymes, Metabolic proteins, Plasma proteins
Predicted location
Intracellular
Single cell type specificity
Cell type enhanced (Rod photoreceptor cells)
Immune cell specificity
Immune cell enhanced (neutrophil, plasmacytoid DC)
Cell line specificity
Low cell line specificity
Interaction
Interacts with GABARAP and GABARAPL2 (PubMed:11146101). Interacts (via C-terminus) with ATG13 (PubMed:18936157). Part of a complex consisting of ATG13, ATG101, ULK1 and RB1CC1 (PubMed:19287211). Associates with the mammalian target of rapamycin complex 1 (mTORC1) through an interaction with RPTOR; the association depends on nutrient conditions and is reduced during starvation (PubMed:19211835, PubMed:21795849). Interacts with FEZ1; SCOC interferes with FEZ1-binding (PubMed:22354037). Interacts with TBC1D14 (PubMed:22613832). Interacts (phosphorylated form) with TRIM5 (PubMed:25127057). When phosphorylated at Ser-317, interacts with MEFV and BECN1 simultaneously (PubMed:26347139). Interacts with TRIM21 and IRF3, in the presence of TRIM21 (PubMed:26347139). Interacts with SESN2 (PubMed:25040165). Interacts with SQSTM1 (PubMed:25040165). Interacts with C9orf72 (PubMed:27334615). Interacts with WDR45 (PubMed:28561066). Interacts with ATG13; this interaction is increased in the absence of TMEM39A (PubMed:31806350). Interacts with WIPI2 (PubMed:28890335). Interacts with ATP2A2 (PubMed:28890335). Interacts with AMBRA1 (PubMed:25438055, PubMed:31123703).
Molecular function
Kinase, Serine/threonine-protein kinase, Transferase
More Types Infomation
Related Signaling Pathways
Insulin Signaling Pathway
- Rabbit Anti-ULK1 Polyclonal Antibody (MRO-2255-CN) (MRO-2255-CN)
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- Species Reactivity: Human, Mouse, Rat
- Type: Rabbit IgG
- Application: IF, IHC, FC, WB
- Recombinant Mouse Anti-Human ULK1 Antibody (MOB-1234MZ)
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- Species Reactivity: Human
- Type: Mouse antibody
- Application: WB
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- Derivation: Phage display library
- Species Reactivity: Human
- Type: Rabbit IgG
- Application: WB, IHC
- Rabbit Anti-ULK1 Recombinant Antibody (clone JA58-36) (MRO-1556-CN)
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- Species Reactivity: Human, Mouse, Rat
- Type: Rabbit IgG
- Application: WB, IHC
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For Research Use Only. Not For Clinical Use.