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R1973-1 - STK3 (M) Antibody, Rabbit Polyclonal
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Quantity: 100 ul Application: WB Predicted I Observed M.W.: 56 kDa Uniprot ID: Q13188
Background: Serine/threonine-protein kinase 3 (STK3) is a stress-activated, pro-apoptotic kinase which, following caspase-cleavage, enters the nucleus and induces chromatin condensation followed by internucleosomal DNA fragmentation. STK3 is a key component of the Hippo signaling pathway which plays a pivotal role in organ size control and tumor suppression by restricting proliferation and promoting apoptosis. The core of this pathway is composed of a kinase cascade wherein STK3/MST2 and STK4/MST1, in complex with its regulatory protein SAV1, phosphorylates and activates LATS1/2 in complex with its regulatory protein MOB1, which in turn phosphorylates and inactivates YAP1 oncoprotein and WWTR1/TAZ. Phosphorylation of YAP1 by LATS2 inhibits its translocation into the nucleus to regulate cellular genes important for cell proliferation, cell death, and cell migration. STK3/MST2 and STK4/MST1 are required to repress proliferation of mature hepatocytes, to prevent activation of facultative adult liver stem cells (oval cells), and to inhibit tumor formation. Other Names: Serine/threonine-protein kinase 3, Mammalian STE20-like protein kinase 2, MST-2, STE20-like kinase MST2, Serine/threonine-protein kinase Krs-1, KRS1, MST2 STK3 can be cleaved into the following 2 chains: Serine/threonine-protein kinase 3 36kDa subunit (MST2/N) and Serine/threonine-protein kinase 3 20kDa subunit (MST2/C). Source and Purity: Rabbit polyclonal antibodies were produced by immunizing animals with a GST-fusion protein containing the middle region of human STK3. Antibodies were purified by affinity purification using immunogen. Storage Buffer and Condition: Supplied in 1 x PBS (pH 7.4), 100 ug/ml BSA, 40% Glycerol, 0.01% NaN3. Store at -20 °C. Stable for 6 months from date of receipt. Species Specificity: Human, Mouse Tested Applications: WB: 1:1,000-1:3,000 (detect endogenous protein*) *: The apparent protein size on WB may be different from the calculated M.W. due to modifications. Product Data: Fig 1. Western blot of total cell extracts from (A, C) mouse brain, (B, D) human HeLa; using 2 independent Abs against 2 distinct regions of human STK3 at RT for 2 h. |