SRPK2, Active(S22-10G)
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Description :Recombinant full-length human SRPK2 was expressed by baculovirus in Sf9 insect cells using an N-terminal GST tag.
Species :Human
Tag :GST tag
Expression System:Sf9 insect cells using baculovirus
Sequence :Full Length
Genbank Number :NM_182691
Specific Activity :Sample Kinase Activity Plot. For specific information on a given lot, see related technical data sheet.activity.gif)
Purity :Sample Purity Data. For specific information on a given lot, see related technical data sheet.gel.gif)
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 :Kinase Assay, Western Blot
Molecular Weight :~135kDa
Gene Aliases :SFRSK2, FLJ36101
Scientific Background :SRPK2 is a member of the serine/arginine (SR) protein-specific kinase family that are cell cycle-regulated protein kinases which phosphorylate SR domain-containing proteins in nuclear speckles and mediate the pre-mRNA splicing events (1). SRPK2 knock down results in hypophosphorylation of the serine/arginine domain-containing human PRP28 protein thereby destabilizing PRP28 association with the tri-snRNP. RNAi-mediated depletion in HeLa cells showed that SRPK2 is essential for cell viability, and it is required for spliceosomal B complex formation (2).
References :
1. Wang, H. Y. Et al; SRPK2: a differentially expressed SR protein-specific kinase involved in mediating the interaction and localization of pre-mRNA splicing factors in mammalian cells. J. Cell Biol. 140: 737-750, 1998.
2. Mathew, R. et al: Phosphorylation of human PRP28 by SRPK2 is required for integration of the U4/U6-U5 tri-snRNP into the spliceosome.Nat Struct Mol Biol. 2008 May;15(5):435-43.
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Research Areas :Cancer, Neurobiology, Inflammation, Ser/Thr Kinases, Cancer, Neurobiology, Inflammation, Ser/Thr Kinases