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Phospho-ASK1 (Ser966) Antibody

(Synonyms: MAP3K5; ASK1; MAPKKK5; MEKK5; Mitogen-activated protein kinase kinase kinase 5; Apoptosis signal-regulating kinase 1; ASK-1; MAPK/ERK kinase kinase 5; MEK kinase 5; MEKK 5)
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Based on 1 publication(s) in Google Scholar

Phospho-ASK1 (Ser966) Antibody is a Rabbit-derived and non-conjugated IgG polyclonal antibody, targeting to Phospho-ASK1 (Ser966).

For research use only. We do not sell to patients.
  • Host:

    Rabbit

  • Isotype:

    IgG

  • Application:

    WB, IHC-P

  • Reactivity :

    Human, Mouse, Rat

  • Formulation:

    Supplied in 1*PBS (pH 7.3), 50% glycerol and 0.5% BSA. Preservative: 0.02% sodium azide.

  • Conjugation:
    Non-conjugated
  • Phospho-ASK1 (Ser966) Antibody Product Image
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To place orders, for customer services and technical support, please contact: MedChemExpress USA

Tel: 609-228-6898 E-mail: [email protected] [email protected]

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Applications

Application
WB Info
WB: Western Blot
IHC-P Info
IHC-P: Immunohistochemistry-Paraffin
Dilution Ratio 1:500-1:1000 1:50-1:100

Product Details

Description

Phospho-ASK1 (Ser966) Antibody is a Rabbit-derived and non-conjugated IgG polyclonal antibody, targeting to Phospho-ASK1 (Ser966).

  • Host Rabbit
  • Clonality Polyclonal
  • Species Reactivity
    Human, Mouse, Rat
  • Observed Molecular Weight
    Observed band size: 155 kDa Info
    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.
  • Calculated Molecular Weight Predicted band size: 155 kDa
Species Reactivity Database
Immunogen

Synthetic phosphopeptide corresponding to residues surrounding Ser966 of Human ASK1.The exact sequence is proprietary to MCE.

Sensitivity

Endogenous

Purification

affinity purified

Conjugation

Non-conjugated

Modification

Phosphorylated

Isotype

IgG

RRID

AB_3102975

Product Properties

  • Appearance

    Solution

  • Formulation

    Supplied in 1*PBS (pH 7.3), 50% glycerol and 0.5% BSA. Preservative: 0.02% sodium azide.

  • Concentration

    Batch-dependent, Please check the COA for the concentration of each lot. Check Lot Concentration

  • Storage & Stability

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

  • Shipping

    Shipping with blue ice.

Background

  • Function

    Apoptosis signal-regulating kinase 1 (ASK1) is a member of the mitogen-activated protein kinase (MAP3K) family which acts as an upstream regulator for the activation of p38 MAPK and c-Jun N-terminal kinase (JNK) . Under normal physiological conditions, ASK1 is maintained in an inactive state through binding to the reduced form of thioredoxin. However, during pathological conditions which induce intracellular production of reactive oxygen species (e.g., mitochondrial or endoplasmic reticulum stress), thioredoxin is oxidized and dissociates from ASK1 facilitating activation of ASK1 and downstream p38 MAPK and JNK signaling that can cause tissue injury .

  • Subcellular Localization

    Cytoplasm; Endoplasmic reticulum

  • Expression


    Tissue_specificity:It is expressed in large quantities in the heart and pancreas.

    Induction:By TNF. Inhibited by HIV-1 Nef

  • Isoforms & Post-Translational Modification

    Q99683 has 2 isomers: Q99683-1: 154537 Da (predicted); Q99683-2: 69839 Da (predicted).
    Phosphorylated at Thr-838 through autophosphorylation and by MAP3K6/ASK2 which leads to activation. Thr-838 is dephosphorylated by PPP5C. Ser-83 and Ser-1033 are inactivating phosphorylation sites, the former of which is phosphorylated by AKT1. Phosphorylated at Ser-966 which induces association of MAP3K5/ASK1 with the 14-3-3 family proteins and suppresses MAP3K5/ASK1 activity. Calcineurin (CN) dephosphorylates this site. Also dephosphorylated and activated by PGAM5. Phosphorylation at Ser-966 in response to oxidative stress is negatively regulated by PPIA/CYPA (PubMed:26095851);Ubiquitinated (PubMed:16038411, PubMed:17220297, PubMed:29186683). Tumor necrosis factor (TNF) induces TNFR2-dependent ubiquitination, leading to proteasomal degradation (PubMed:17220297). Ubiquitinated by RC3H2 in a TRIM48-dependent manner (PubMed:29186683);Methylation at Arg-78 and Arg-80 by PRMT1 promotes association of MAP3K5 with thioredoxin and negatively regulates MAP3K5 association with TRAF2, inhibiting MAP3K5 activation (PubMed:22095282). Methylation is blocked by ubiquitination of PRMT1 by TRIM48 (PubMed:29186683)

  • Subunit

    Homodimer when inactive. Binds both upstream activators and downstream substrates in multimolecular complexes. Part of a cytoplasmic complex made of HIPK1, DAB2IP and MAP3K5 in response to TNF (PubMed:15310755, PubMed:15701637, PubMed:17210579, PubMed:17389591). This complex formation promotes MAP3K5-JNK activation and subsequent apoptosis. Interacts with SOCS1 which recognizes phosphorylation of Tyr-718 and induces MAP3K5/ASK1 degradation in endothelial cells. Interacts with the 14-3-3 family proteins such as YWHAB, YWHAE, YWHAQ, YWHAH, YWHAZ and SFN (PubMed:10411906, PubMed:15023544, PubMed:15094778). Interacts with ARRB2, BIRC2, DAB2IP, IGF1R, MAP3K6/ASK2, PGAM5, PIM1, PPP5C, SOCS1, STUB1, TRAF2, TRAF6 and TXN (PubMed:10688666, PubMed:11090355, PubMed:11689443, PubMed:12556535, PubMed:12813029, PubMed:15310755, PubMed:16038411, PubMed:16129676, PubMed:16407264, PubMed:17220297, PubMed:17724081, PubMed:18408005, PubMed:19590015, PubMed:19749799, PubMed:9564042, PubMed:9774977). Interacts with ERN1 in a TRAF2-dependent manner (PubMed:14749717). Interacts with calcineurin subunit PPP3R1 (By similarity). Interacts with PPM1L (PubMed:17456047). Interacts (via N-terminus) with RAF1 and this interaction inhibits the proapoptotic function of MAP3K5 (PubMed:11427728). Interacts with DAB2IP (via N-terminus C2 domain); the interaction occurs in a TNF-alpha-dependent manner (PubMed:15310755). Interacts with DUSP13A; may positively regulate apoptosis (PubMed:20358250). Interacts with DAXX (PubMed:9743501). Interacts with RC3H2 (PubMed:24448648). Interacts with PPIA/CYPA (PubMed:26095851). Interacts with PRMT1; the interaction results in MAP3K5 methylation by PRMT1 which inhibits MAP3K5 activation (PubMed:22095282). Interacts with TRAF2; the interaction is inhibited by PRMT1 (PubMed:22095282). Interacts with TRIM48 (PubMed:29186683)

  • SwissProt ID

    Q99683

  • Gene ID
    4217 [NCBI]
  • Synonyms

    MAP3K5; ASK1; MAPKKK5; MEKK5; Mitogen-activated protein kinase kinase kinase 5; Apoptosis signal-regulating kinase 1; ASK-1; MAPK/ERK kinase kinase 5; MEK kinase 5; MEKK 5

  • Research Field

    Cell Biology

Phospho-ASK1 (Ser966) Antibody Related Classifications

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100 mg

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Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated CTLL-2 mouse cytotoxic T cells. The ED50 this effect is 0.8023 μg/ml, corresponding to a specific activity is 1246.42 units/mg.

Assay Types
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