Product details

Background:

This gene, which encodes a member of the serine/threonine kinase family, regulates cell polarity and functions as a tumor suppressor. Mutations in this gene have been associated with Peutz-Jeghers syndrome, an autosomal dominant disorder characterized by the growth of polyps in the gastrointestinal tract, pigmented macules on the skin and mouth, and other neoplasms. Alternate transcriptional splice variants of this gene have been observed but have not been thoroughly characterized. [provided by RefSeq, Jul 2008],

Specifications

Size	50μL/100μL
Target	LKB1
Reactivity	Human, Mouse
Applications	WB, IHC, IF, ELISA
MW(Calculated)	49kD
MW(Observed)
Host Species	Rabbit
Isotype	IgG
Conjugate/Modification	Unmodified
Recommended Dilution Ratio	WB 1:500-2000; IHC 1:100-1:300; IF 1:200-1:1000; ELISA 1:20000; Not yet tested in other applications. / Note: For IHC, we suggest antigen retrieval with TE buffer pH 9.0 (Cat#WT1004)
Formulation	Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Purification	The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Storage	-15°C to -25°C/1 year(Do not lower than -25°C)
Concentration	1 mg/ml
Clonality	Polyclonal
Clone Number
Immunogen	The antiserum was produced against synthesized peptide derived from human LKB1. AA range:384-433
Specificity	LKB1 Polyclonal Antibody detects endogenous levels of LKB1 protein.
Gene Name	STK11
Protein Name	Serine/threonine-protein kinase STK11
Other Name	STK11; / LKB1; / PJS; / Serine/threonine-protein kinase STK11; / Liver kinase B1; / LKB1; / hLKB1; / Renal carcinoma antigen NY-REN-19
Species	Human
Gene ID	6794
Uniprot	Q15831,
Species.1	Mouse
Gene ID.1	20869
Uniprot.1	Q9WTK7
Species.2
Gene ID.2
Uniprot.2
Cellular Localization	Nucleus. Cytoplasm. Membrane . Mitochondrion. A small fraction localizes at membranes (By similarity). Relocates to the cytoplasm when bound to STRAD (STRADA or STRADB) and CAB39/MO25 (CAB39/MO25alpha or CAB39L/MO25beta). Translocates to the mitochondrion during apoptosis. PTEN promotes cytoplasmic localization. .; [Isoform 2]: Nucleus . Cytoplasm . Predominantly nuclear, but translocates to the cytoplasm in response to metformin or peroxynitrite treatment.
Tissue Expression	Ubiquitously expressed. Strongest expression in testis and fetal liver.
Signaling_pathway	Cellular Processes >> Transport and catabolism >> Autophagy - animal;Cellular Processes >> Cellular community - eukaryotes >> Tight junction;Organismal Systems >> Endocrine system >> Adipocytokine signaling pathway;Organismal Systems >> Aging >> Longevity regulating pathway;Environmental Information Processing >> Signal transduction >> FoxO signaling pathway;Environmental Information Processing >> Signal transduction >> PI3K-Akt signaling pathway;Environmental Information Processing >> Signal transduction >> AMPK signaling pathway;Environmental Information Processing >> Signal transduction >> mTOR signaling pathway
Research Areas	>>FoxO signaling pathway; / >>Autophagy - animal; / >>mTOR signaling pathway; / >>PI3K-Akt signaling pathway; / >>AMPK signaling pathway; / >>Longevity regulating pathway; / >>Tight junction; / >>Adipocytokine signaling pathway
Function	Catalytic activity:ATP + a protein = ADP + a phosphoprotein.,cofactor:Magnesium or manganese.,Disease:Defects in STK11 are a cause of Peutz-Jeghers syndrome (PJS) [MIM:175200]. PJS is a rare hereditary disease in which there is predisposition to benign and malignant tumors of many organ systems. PJS is an autosomal dominant disorder characterized by melanocytic macules of the lips, multiple gastrointestinal hamartomatous polyps and an increased risk for various neoplasms, including gastrointestinal cancer.,Disease:Defects in STK11 have been associated with testicular tumors [MIM:273300]. It includes germ cell tumor (GCT) or testicular germ cell tumor (TGCT).,enzyme regulation:Activated by binding of a complex consisting of CAB39 and STRAD or CAB39 and ALS2CR2.,Function:Essential role in G1 cell cycle arrest. Phosphorylates and activates members of the AMPK-related subfamily of protein kinases. Tumor suppressor.,online information:PJS entry,PTM:Phosphorylated by a cAMP-dependent protein kinase.,similarity:Belongs to the protein kinase superfamily.,similarity:Belongs to the protein kinase superfamily. CAMK Ser/Thr protein kinase family. LKB1 subfamily.,similarity:Contains 1 protein kinase domain.,subcellular location:Relocates to the cytoplasm when bound to CAB39 and STRAD or CAB39 and ALS2CR2.,subunit:Found in a ternary complex composed of SMAD4, STK11 and STK11IP. Interacts with SMAD4 and STK11IP.,tissue specificity:Ubiquitously expressed. Strongest expression in testis and fetal liver.,

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LKB1 Polyclonal Antibody

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LKB1 Polyclonal Antibody

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