SRP0252
ULK Active human
recombinant, expressed in FreeStyle™ 293-F cells, ≥40% (SDS-PAGE)
Synonym(s):
ATG1, ATG1 autophagy related 1 homolog, Serine/threonine-protein kinase ULK1, UNC-51-like kinase
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About This Item
UNSPSC Code:
12352200
NACRES:
NA.32
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biological source
human
recombinant
expressed in FreeStyle™ 293-F cells
Assay
≥40% (SDS-PAGE)
form
aqueous solution
mol wt
113 kDa
packaging
pkg of 10 μg
manufacturer/tradename
Invitrogen
storage condition
avoid repeated freeze/thaw cycles
concentration
>0.02 mg/mL
NCBI accession no.
UniProt accession no.
shipped in
dry ice
storage temp.
−70°C
Gene Information
human ... ULK1(8408)
General description
ULK1 (unc-51 like autophagy activating kinase 1) is a Ser/Thr protein kinase which forms a component of the ULK1 protein kinase complex. This protein complex also contains the adaptor proteins ATG (autophagy-related) 13, RB1CC1/FIP200 (RB1-inducible coiled-coil 1), and ATG101. ULK1 protein is one of the five orthologs of yeast Atg1 found in mammals.
Biochem/physiol Actions
ULK1 (unc-51 like autophagy activating kinase 1) protein kinase plays a crucial role in the control of autophagy initiation. This protein is responsible for activating a cascade of signaling pathways which ultimately results in the formation of phagosomes. The phosphorylation of ULK1 by MTORC1 (mammalian target of rapamycin complex) leads to the negative regulation of autophagy. Activation of type I interferon (IFN) receptor (IFNR) results in the activation of ULK1 protein, which, in turn, results in the transcription of gene in a IFN-stimulated response elements (ISRE) and IFNγ activation site (GAS) elements-mediated manner. It is also required for the control of the expression of key IFN-stimulated genes (ISGs).
Physical form
Formulated in 2 5mM Tris-HCl, pH 7.5, 100 mM NaCl, 0.05% Tween-20, 100 μg/ml FLAG peptide, 20% glycerol and 3 mM DTT.
Preparation Note
Thaw on ice. Upon first thaw, briefly spin tube containing enzyme to recover full content of the tube. Aliquot enzyme into single use aliquots. Store remaining undiluted enzyme in aliquots at -70°C. Note: Enzyme is very sensitive to freeze/thaw cycles.
Legal Information
FreeStyle is a trademark of Invitrogen Corp.
Certificates of Analysis (COA)
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Computational analysis of an autophagy/translation switch based on mutual inhibition of MTORC1 and ULK1.
Szymanska P et al
PLoS ONE, 10(3), e0116550-e0116550 (2015)
Deubiquitinase inhibition by WP1130 leads to ULK1 aggregation and blockade of autophagy.
Autophagy, 11(9), 1458-1470 (2015)
Central role of ULK1 in type I interferon signaling.
Saleiro D et al
Cell Reports, 11(4), 605-617 (2015)
Pablo Sánchez-Martín et al.
Journal of cell science, 136(3) (2023-01-17)
Autophagy is a catabolic process during which cytosolic material is enwrapped in a newly formed double-membrane structure called the autophagosome, and subsequently targeted for degradation in the lytic compartment of the cell. The fusion of autophagosomes with the lytic compartment
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