Abcam, ab87892, Recombinant Human RKIP protein

Size: 100µg
Recombinant Human RKIP protein is a Human Full Length protein, expressed in Escherichia coli, with >95%, suitable for SDS-PAGE, WB.
Key facts
Purity:>95% SDS-PAGE,
Expression system:Escherichia coli,
Tags:Tag free,
Applications:SDS-PAGE, WBSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Biologically active:No,
Accession:P30086,
Animal free:No,
Carrier free:No,
Species:Human,
Storage buffer:pH: 8Constituents: 10% Glycerol (glycerin, glycerine), 0.316% Tris HCl, 0.0154% (R*,R*)-1,4-Dimercaptobutan-2,3-diol

Properties and Storage Information:
Shipped at conditions-Blue Ice, Appropriate short-term storage conditions--20°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Raf kinase inhibitory protein (RKIP) also known as phosphatidylethanolamine-binding protein 1 (PEBP1) is a significant regulatory protein weighing around 21 kDa. It inhibits the RAF/MEK/ERK signaling cascade by binding to Raf-1 kinase. RKIP shows expression in diverse tissues including the brain heart and liver reflecting its widespread influence across various physiological systems.
Biological function summary
RKIP interacts with multiple signaling pathways by acting as a suppressor of the mitogen-activated protein kinase (MAPK) pathway. It also plays roles in modulating the signaling of nuclear factor kappa B (NF-κB) and G-protein coupled receptor kinase (GRK) pathways. As part of these pathways RKIP contributes to the regulation of cell proliferation differentiation and apoptosis making it an important player in maintaining cellular homeostasis.
Pathways
RKIP's role centers on the RAF/MEK/ERK and NF-κB signaling pathways. Within the RAF/MEK/ERK pathway RKIP modulates cellular responses by controlling the activation of Raf-1 influencing cell growth and division. In the NF-κB pathway RKIP inhibits phosphorylation of IKK thereby impacting inflammatory responses which links RKIP to proteins like MEK and ERK as well as IKK.
RKIP has involvement in cancer and cardiovascular diseases. Reduced RKIP expression associates with increased metastasis in cancers such as prostate and breast cancer indicating its role as a metastasis suppressor. In cardiovascular contexts RKIP affects hypertension pathogenesis through the modulation of GRK pathway involving connections to proteins such as Raf-1 and IKK.