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STK3/MST-2 Antibody (YA282)

Cat. No.: HY-P80230
COA User Guide for Antibodies Technical Support

STK3/MST-2 Antibody (YA282) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to STK3/MST-2.

For research use only. We do not sell to patients.

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Top Publications Citing Use of Products
  • WB: Western Blot;
  • IHC-P: Immunohistochemistry-Paraffin;
  • IHC-F: Immunohistochemistry-Frozen;
  • ICC/IF: Immunocytochemistry/Immunofluorescence;
  • IF-Tissue: Immunofluorescence-Tissue;
  • mIHC: Multiplex Immunohistochemical;
  • IP: Immunoprecipitation;
  • ChIP: Chromatin Immunoprecipitation;
  • FC: Flow Cytometry;
  • ELISA: Enzyme Linked Immunosorbent Assay
  • Product Detail

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  • Documentation

Description

STK3/MST-2 Antibody (YA282) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to STK3/MST-2.

Host

Rabbit

Clonality

Recombinant,Monoclonal

Molecular Weight
Predicted band size: 56 kDa;
Observed band size: 56 kDa
Note: Due to possible protein modifications or aggregation, the molecular weight should be confirmed by actual measurement, and the predicted value is for reference only.
Species Reactivity
Human, Mouse
SwissProt ID
Gene ID
Immunogen

Synthetic peptide within N-terminal human Mst2.

Application &
Dilution Ratio
Application Dilution Ratio
WB
WB: Western Blot
1:1000-1:5000
IHC-P
IHC-P: Immunohistochemistry-Paraffin
1:50-1:200
IP
IP: Immunoprecipitation
Use at an assay dependent concentration.
Sensitivity Endogenous Purity Protein A affinity purified.
Conjugation Non-conjugated Modification Unmodified
Isotype IgG  
Appearance

Liquid

Formulation

Supplied in 1*TBS (pH7.4), 0.05% BSA and 40% Glycerol. Preservative: 0.05% Sodium Azide.

Storage & Stability

Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.

Shipping

Shipping with blue ice.

Verification Image
ALL WB IHC-P
  • Western blot analysis of extracts from Hela(lane 2(20μg) , A375 (lane 3(20μg) ,HL-60(lane 4(20μg)and C6( lane 5(20μg) using STK3/MST-2 Antibody (HY-P80230). Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody ( 1/1000) and Loading control antibody (Beta Actin, HY-P80993,1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Rabbit IgG-HRP Secondary Antibody (HY-P8001,1/10,000) was used for 1 hour at room temperature.

  • Immunohistochemical analysis of paraffin-embedded human Breast Cancer tissue using STK3/MST-2 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80230, 1:100 dilution) at room temperature for 60 minutes. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium.

  • Immunohistochemical analysis of paraffin-embedded human Breast Cancer tissue using STK3/MST-2 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80230, 1:100 dilution) at room temperature for 60 minutes. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium.

  • Immunohistochemical analysis of paraffin-embedded human Cervical Cancer‌ tissue using STK3/MST-2 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80230, 1:100 dilution) at room temperature for 60 minutes. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium.

  • Immunohistochemical analysis of paraffin-embedded human Ovarian Cancer‌ tissue using STK3/MST-2 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80230, 1:100 dilution) at room temperature for 60 minutes. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium.

  • Immunohistochemical analysis of paraffin-embedded human Tonsil tissue using STK3/MST-2 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80230, 1:100 dilution) at room temperature for 60 minutes. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium.

  • Immunohistochemical analysis of paraffin-embedded human Esophageal Carcinoma tissue using STK3/MST-2 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80230, 1:100 dilution) at room temperature for 60 minutes. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium.

Background
Function:Stress-activated, pro-apoptotic kinase which, following caspase-cleavage, enters the nucleus and induces chromatin condensation followed by internucleosomal DNA fragmentation (PubMed:11278283, PubMed:8566796, PubMed:8816758). 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 (PubMed:15688006, PubMed:16930133, PubMed:23972470, PubMed:28087714, PubMed:29063833, PubMed:30622739). Phosphorylation of YAP1 by LATS2 inhibits its translocation into the nucleus to regulate cellular genes important for cell proliferation, cell death, and cell migration (PubMed:15688006, PubMed:16930133, PubMed:23972470, PubMed:28087714). 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 NKX2-1 (By similarity). Phosphorylates NEK2 and plays a role in centrosome disjunction by regulating the localization of NEK2 to centrosome, and its ability to phosphorylate CROCC and CEP250 (PubMed:21076410, PubMed:21723128). In conjunction with SAV1, activates the transcriptional activity of ESR1 through the modulation of its phosphorylation (PubMed:21104395). Positively regulates RAF1 activation via suppression of the inhibitory phosphorylation of RAF1 on 'Ser-259' (PubMed:20212043). Phosphorylates MOBKL1A and RASSF2 (PubMed:19525978). Phosphorylates MOBKL1B on 'Thr-74'. Acts cooperatively with MOBKL1B to activate STK38 (PubMed:18328708, PubMed:18362890)
Subcellular Localization:Cytoplasm; Nucleus; Cytoplasm, cytoskeleton, microtubule organizing center, centrosome
Expression:
Tissue_specificity:It is expressed at high levels in adult kidney, bone, and placental tissues, and at extremely low levels in adult heart, lung, and brain tissues.

Induction:Activity increases during mitosis
Subunit:Homodimer; mediated via the coiled-coil region. Interacts with NORE1, which inhibits autoactivation (By similarity). Interacts with and stabilizes SAV1 (PubMed:15688006, PubMed:16930133, PubMed:28087714, PubMed:29063833). Interacts with RAF1, which prevents dimerization and phosphorylation. Interacts with RASSF1. Interacts (via SARAH domain) with isoform 1 of NEK2. Interacts with ESR1 only in the presence of SAV1. Interacts with PKB/AKT1. Forms a tripartite complex with MOBKL1B and STK38. Interacts with RASSF2 (via SARAH domain). Interacts with DLG5 (via PDZ domain 3) (PubMed:28087714). Interacts with LATS1; this interaction is inhibited in the presence of DLG5 (PubMed:28087714). Interacts with MARK3 in the presence of DLG5 (PubMed:28087714). Interacts with RASSF5; this interaction inhibits STK3 autoactivation through heterodimerization (PubMed:23972470). Interacts (when phosphorylated) with SLMAP (via FHA domain); the interaction associates STK3 with the STRIPAK complex (PubMed:29063833, PubMed:30622739)
RRID
Database
Research Field

Cell Biology

Synonyms
MST-2; STK3; KRS1; MST2
Documentation

STK3/MST-2 Antibody (YA282) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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STK3/MST-2 Antibody (YA282)
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