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Description :Recombinant full-length human LCMT1 was expressed by baculovirus in Sf9 insect cells using an N-terminal GST tag.
Tag :GST tag
Expression System:Sf9 insect cells using baculovirus
Sequence :Full length
Genbank Number :NM_016309
Specific Activity :Sample Kinase Activity Plot. For specific information on a given lot, see related technical data sheet.
Purity :Sample Purity Data. For specific information on a given lot, see related technical data sheet.
Storage, Stability, and Shipping :Store product at –70oC. For optimal storage, aliquot target into smaller quantities after centrifugation and store at recommended temperature. For most favorable performance, avoid repeated handling and multiple freeze/thaw cycles.
Applications :Methyltransferase Assay
Molecular Weight :63 kDa
Gene Aliases :CGI-68; LCMT; PPMT1
Scientific Background :Leucine carboxyl methyltransferase 1 (LCMT1) exclusively methylates the carboxyl group of leucine-309 in the catalytic subunit of protein phosphatase 2A (1). LCMT1 is essential for normal progression through mitosis and cell survival. Knocking-down LCMT1 leads to reduced formation of PP2A heterodimers and increased apoptosis (2). LCMT1 also regulates the association of PP2A and its substrate, Tau protein, with plasma membrane in neuroblastoma cells. Decreased level of PP2A methylation is found in Alzheimer disease (3).
1. De Baere, I., et al. Purification of porcine brain protein phosphatase 2A leucine carboxyl methyltransferase and cloning of the human homologue. Biochemistry. 38(50):16539-47, 1999.
2. Lee, J.A., et al. Leucine carboxyl methyltransferase-1 is necessary for normal progression through mitosis in mammalian cells. J Biol Chem. 282(42):30974-84, 2007.
3. Sontag, J.M., et al. Leucine carboxyl methyltransferase 1 (LCMT1)-dependent methylation regulates the association of protein phosphatase 2A and Tau protein with plasma membrane microdomains in neuroblastoma cells. J Biol Chem. 288(38):27396-405, 2013.
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Research Areas :Cell Cycle, Metabolic Disorder, Neurobiology