LKB1, Blocking Peptide

LKB1; PJS; Serine/threonine-protein kinase STK11; Liver kinase B1; LKB1; hLKB1; Renal carcinoma antigen NY-REN-19

For Research Use Only. Not for use in diagnostic procedures.

Synthetic

>85%

Lyophilized powder

Shipped at 4 degree C. Store at -20 degree C for one year.

Small volumes of STK11 blocking peptide vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

The peptide is used to block Anti-LKB1 Antibody reactivity.

Blocking (BL)

45,387 Da

serine/threonine kinase 11

serine/threonine-protein kinase STK11

Serine/threonine-protein kinase STK11

LKB1; PJS; LKB1; hLKB1  [Similar Products]

STK11_HUMAN

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]

LKB1: a S/T protein kinase of the CAMKL family. A tumor suppressor that helps control cell structure, polarity, apoptosis and energy homeostasis. Phosphorylates AGS3 (activator of G-protein signaling 3) GPR domains, regulating the interaction of GPR-containing proteins with G-proteins. A cytosolic protein complex comprised of LKB1, the pseudokinase STRAD, and the MO25 scaffold protein. Activates AMPK and several related protein kinases. AMPK plays a predominant role as the master regulator of cellular energy homeostasis, controlling downstream effectors that regulate cell growth and apoptosis in response to cellular ATP concentrations. The Lkb1/Strad/Mo25 complex can polarize single epithelial cells, leading to the formation of a brush border containing microvilli on the apical surface. Mutation in the corresponding gene causes Peutz-Jeghers syndrome (PJS), an autosomal dominant disorder characterized by benign GI tract polyps and dark skin lesions of the mouth, hands and feet. A variety of other LKB1 gene mutations have been associated with the formation of sporadic cancers in several tissues.

Protein type: EC 2.7.11.1; Protein kinase, CAMK; Kinase, protein; Autophagy; Tumor suppressor; Protein kinase, Ser/Thr (non-receptor); CAMK group; CAMKL family; LKB subfamily

Chromosomal Location of Human Ortholog: 19p13.3

Cellular Component: mitochondrion; membrane; cytoplasm; nucleus; cytosol

Molecular Function: protein serine/threonine kinase activity; protein binding; p53 binding; magnesium ion binding; protein complex binding; protein kinase activator activity; ATP binding; LRR domain binding

Biological Process: response to glucagon stimulus; Golgi localization; protein heterooligomerization; protein amino acid autophosphorylation; Wnt receptor signaling pathway through beta-catenin; glucose homeostasis; response to lipid; T cell receptor signaling pathway; protein amino acid phosphorylation; anoikis; negative regulation of cell proliferation; positive regulation of gluconeogenesis; regulation of fatty acid biosynthetic process; vasculature development; tissue homeostasis; regulation of cell growth; cell cycle arrest; positive thymic T cell selection; regulation of Wnt receptor signaling pathway; positive regulation of transforming growth factor beta receptor signaling pathway; regulation of protein kinase B signaling cascade; positive regulation of peptidyl-tyrosine phosphorylation; axonogenesis; establishment of cell polarity; insulin receptor signaling pathway; energy reserve metabolic process; activation of protein kinase activity; autophagy; positive regulation of axonogenesis; negative regulation of cell growth; response to ionizing radiation; response to DNA damage stimulus; spermatid development

Disease: Pancreatic Cancer; Testicular Germ Cell Tumor; Peutz-jeghers Syndrome

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