Stk4 (NM_021420) Mouse Recombinant Protein

• Background:

  Stress-activated, pro-apoptotic kinase which, following caspase-cleavage, enters the nucleus and induces chromatin condensation followed by internucleosomal DNA fragmentation. 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. Phosphorylates 'Ser-14' of histone H2B (H2BS14ph) during apoptosis. Phosphorylates FOXO3 upon oxidative stress, which results in its nuclear translocation and cell death initiation. Phosphorylates MOBKL1A, MOBKL1B and RASSF2. Phosphorylates TNNI3 (cardiac Tn-I) and alters its binding affinity to TNNC1 (cardiac Tn-C) and TNNT2 (cardiac Tn-T) . Phosphorylates FOXO1 on 'Ser-212' and regulates its activation and stimulates transcription of PMAIP1 in a FOXO1-dependent manner. Phosphorylates SIRT1 and inhibits SIRT1-mediated p53/TP53 deacetylation, thereby promoting p53/TP53 dependent transcription and apoptosis upon DNA damage. Acts as an inhibitor of PKB/AKT1. Phosphorylates AR on 'Ser-650' and suppresses its activity by intersecting with PKB/AKT1 signaling and antagonizing formation of AR-chromatin complexes (By similarity) .[UniProtKB/Swiss-Prot Function]

• Synonyms:

  AI447339; AU020804; Kas-2; Mst1; Ysk3

• Gene ID:

  58231

• UniProt:

  Q9JI11

• Accession Number mRNA:

  NM_021420

• Chromosomal Location:

  2 H3

• Expression System:

  HEK293T

• Tag:

  C-MYC/DDK

• Concentration:

  >50 ug/mL as determined by microplate BCA method

• Purity:

  > 80% as determined by SDS-PAGE and Coomassie blue staining

• Form:

  Liquid

• Buffer:

  25 mM Tris.HCl, pH 7.3, 100 mM glycine, 10% glycerol.

• Molecular Weight:

  55.5 kDa

• Storage Conditions:

  Stable for 1 year at -20°C or below from date of shipment. For maximum recovery of product, centrifuge the original vial after thawing and opening the cap. For long-term storage, aliquot and store at -20°C or below. Avoid repeated freeze-thaw cycles.

• Symbol:

  Stk4

• Species:

  Mouse

• Protein ID:

  NP_067395

• Overview:

  Purified recombinant protein of Mouse serine/threonine kinase 4 (Stk4), with C-terminal MYC/DDK tag, expressed in HEK293T cells, 20ug

• Gene ID URL:

  https://www.ncbi.nlm.nih.gov/gene/58231

• Uniprot URL:

  https://www.uniprot.org/uniprot/Q9JI11

• Accession Number mRNA URL:

  https://www.ncbi.nlm.nih.gov/nuccore/NM_021420

• Protein ID Link:

  https://www.ncbi.nlm.nih.gov/nuccore/NP_067395