製品の概要

  • 製品名Anti-APE1 antibody
    APE1 一次抗体 製品一覧
  • 製品の詳細
    Rabbit polyclonal to APE1
  • アプリケーション適用あり: IHC-P, ICC/IF, WBmore details
  • 種交差性
    交差種: Human
    交差が予測される動物種: Mouse, Rat, Rabbit, Cow, Chimpanzee, Gorilla, Orangutan
  • 免疫原

    Synthetic peptide conjugated to KLH derived from within residues 200 - 300 of Human APE1.

  • ポジティブ・コントロール
    • This antibody gave a positive signal in the following whole cell lysates: A431; HepG2; HeLa; Raji; A549; K562.

製品の特性

  • 製品の状態Liquid
  • 保存方法Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C or -80°C. Avoid freeze / thaw cycle.
  • バッファーpH: 7.40
    Preservative: 0.02% Sodium azide
    Constituent: PBS
    Note: Batches of this product that have a concentration < 1mg/ml may have BSA added as a stabilising agent. If you would like information about the formulation of a specific lot, please contact our scientific support team who will be happy to help.
  • Concentration information loading...
  • 精製度Immunogen affinity purified
  • ポリ/モノポリクローナル
  • アイソタイプIgG
  • 研究分野

アプリケーション

Our Abpromise guarantee covers the use of ab105081 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

アプリケーション Abreviews 特記事項
IHC-P Use a concentration of 1 µg/ml.
ICC/IF Use a concentration of 1 µg/ml.
WB Use a concentration of 1 µg/ml. Detects a band of approximately 38 kDa (predicted molecular weight: 36 kDa).

ターゲット情報

  • 機能Multifunctional protein that plays a central role in the cellular response to oxidative stress. The two major activities of APEX1 in DNA repair and redox regulation of transcriptional factors. Functions as a apurinic/apyrimidinic (AP) endodeoxyribonuclease in the DNA base excision repair (BER) pathway of DNA lesions induced by oxidative and alkylating agents. Initiates repair of AP sites in DNA by catalyzing hydrolytic incision of the phosphodiester backbone immediately adjacent to the damage, generating a single-strand break with 5'-deoxyribose phosphate and 3'-hydroxyl ends. Does also incise at AP sites in the DNA strand of DNA/RNA hybrids, single-stranded DNA regions of R-loop structures, and single-stranded RNA molecules. Has a 3'-5' exoribonuclease activity on mismatched deoxyribonucleotides at the 3' termini of nicked or gapped DNA molecules during short-patch BER. Possesses a DNA 3' phosphodiesterase activity capable of removing lesions (such as phosphoglycolate) blocking the 3' side of DNA strand breaks. May also play a role in the epigenetic regulation of gene expression by participating in DNA demethylation. Acts as a loading factor for POLB onto non-incised AP sites in DNA and stimulates the 5'-terminal deoxyribose 5'-phosphate (dRp) excision activity of POLB. Plays a role in the protection from granzymes-mediated cellular repair leading to cell death. Also involved in the DNA cleavage step of class switch recombination (CSR). On the other hand, APEX1 also exerts reversible nuclear redox activity to regulate DNA binding affinity and transcriptional activity of transcriptional factors by controlling the redox status of their DNA-binding domain, such as the FOS/JUN AP-1 complex after exposure to IR. Involved in calcium-dependent down-regulation of parathyroid hormone (PTH) expression by binding to negative calcium response elements (nCaREs). Together with HNRNPL or the dimer XRCC5/XRCC6, associates with nCaRE, acting as an activator of transcriptional repression. Stimulates the YBX1-mediated MDR1 promoter activity, when acetylated at Lys-6 and Lys-7, leading to drug resistance. Acts also as an endoribonuclease involved in the control of single-stranded RNA metabolism. Plays a role in regulating MYC mRNA turnover by preferentially cleaving in between UA and CA dinucleotides of the MYC coding region determinant (CRD). In association with NMD1, plays a role in the rRNA quality control process during cell cycle progression. Associates, together with YBX1, on the MDR1 promoter. Together with NPM1, associates with rRNA. Binds DNA and RNA.
  • 配列類似性Belongs to the DNA repair enzymes AP/ExoA family.
  • ドメインThe N-terminus contains the redox activity while the C-terminus exerts the DNA AP-endodeoxyribonuclease activity; both function are independent in their actions. An unconventional mitochondrial targeting sequence (MTS) is harbored within the C-terminus, that appears to be masked by the N-terminal sequence containing the nuclear localization signal (NLS), that probably blocks the interaction between the MTS and Tom proteins.
  • 翻訳後修飾Phosphorylated. Phosphorylation by kinase PKC or casein kinase CK2 results in enhanced redox activity that stimulates binding of the FOS/JUN AP-1 complex to its cognate binding site. AP-endodeoxyribonuclease activity is not affected by CK2-mediated phosphorylation. Phosphorylation of Thr-233 by CDK5 reduces AP-endodeoxyribonuclease activity resulting in accumulation of DNA damage and contributing to neuronal death.
    Acetylated on Lys-6 and Lys-7. Acetylation is increased by the transcriptional coactivator EP300 acetyltransferase, genotoxic agents like H(2)O(2) and methyl methanesulfonate (MMS). Acetylation increases its binding affinity to the negative calcium response element (nCaRE) DNA promoter. The acetylated form induces a stronger binding of YBX1 to the Y-box sequence in the MDR1 promoter than the unacetylated form. Deacetylated on lysines. Lys-6 and Lys-7 are deacetylated by SIRT1.
    Cleaved at Lys-31 by granzyme A to create the mitochondrial form; leading in reduction of binding to DNA, AP endodeoxynuclease activity, redox activation of transcription factors and to enhanced cell death. Cleaved by granzyme K; leading to intracellular ROS accumulation and enhanced cell death after oxidative stress.
    Cys-65 and Cys-93 are nitrosylated in response to nitric oxide (NO) and lead to the exposure of the nuclear export signal (NES).
    Ubiquitinated by MDM2; leading to translocation to the cytoplasm and proteasomal degradation.
  • 細胞内局在Mitochondrion. The cleaved APEX2 is only detected in mitochondria (By similarity). Translocation from the cytoplasm to the mitochondria is mediated by ROS signaling and cleavage mediated by granzyme A. Tom20-dependent translocated mitochondrial APEX1 level is significantly increased after genotoxic stress and Nucleus. Nucleus, nucleolus. Nucleus speckle. Endoplasmic reticulum. Cytoplasm. Detected in the cytoplasm of B-cells stimulated to switch (By similarity). Colocalized with SIRT1 in the nucleus. Colocalized with YBX1 in nuclear speckles after genotoxic stress. Together with OGG1 is recruited to nuclear speckles in UVA-irradiated cells. Colocalized with nucleolin and NPM1 in the nucleolus. Its nucleolar localization is cell cycle dependent and requires active rRNA transcription. Colocalized with calreticulin in the endoplasmic reticulum. Translocation from the nucleus to the cytoplasm is stimulated in presence of nitric oxide (NO) and function in a CRM1-dependent manner, possibly as a consequence of demasking a nuclear export signal (amino acid position 64-80). S-nitrosylation at Cys-93 and Cys-310 regulates its nuclear-cytosolic shuttling. Ubiquitinated form is localized predominantly in the cytoplasm.
  • Information by UniProt
  • 参照データベース
  • 別名
    • AP endonuclease 1 antibody
    • AP endonuclease class I antibody
    • AP lyase antibody
    • APE 1 antibody
    • APE antibody
    • APE-1 antibody
    • APEN antibody
    • APEX 1 antibody
    • APEX antibody
    • APEX nuclease (multifunctional DNA repair enzyme) 1 antibody
    • Apex nuclease 1 antibody
    • APEX nuclease antibody
    • APEX1 antibody
    • APEX1_HUMAN antibody
    • Apurinic endonuclease antibody
    • Apurinic-apyrimidinic endonuclease 1 antibody
    • Apurinic/apyrimidinic (abasic) endonuclease antibody
    • Apurinic/apyrimidinic endonuclease 1 antibody
    • Apurinic/apyrimidinic exonuclease antibody
    • APX antibody
    • BAP1 antibody
    • Deoxyribonuclease (apurinic or apyrimidinic) antibody
    • DNA (apurinic or apyrimidinic site) lyase antibody
    • DNA-(apurinic or apyrimidinic site) lyase, mitochondrial antibody
    • EC 4.2.99.18 antibody
    • HAP 1 antibody
    • HAP1 antibody
    • Human Apurinic endonuclease 1 antibody
    • MGC139790 antibody
    • Multifunctional DNA repair enzyme antibody
    • Redox factor 1 antibody
    • Redox factor-1 antibody
    • REF 1 antibody
    • REF 1 protein antibody
    • REF-1 antibody
    • REF1 antibody
    • REF1 protein antibody
    see all

Anti-APE1 antibody 画像

  • IHC image of APE1 staining in human normal placenta FFPE section, performed on a BondTM system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6, epitope retrieval solution 1) for 20 mins. The section was then incubated with ab105081, 1µg/ml, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX. For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times.
  • All lanes : Anti-APE1 antibody (ab105081) at 1 µg/ml

    Lane 1 : A431 (Human epithelial carcinoma cell line) Whole Cell Lysate
    Lane 2 : HepG2 (Human hepatocellular liver carcinoma cell line) Whole Cell Lysate
    Lane 3 : HeLa (Human epithelial carcinoma cell line) Whole Cell Lysate
    Lane 4 : Raji (Human Burkitt's lymphoma cell line) Whole Cell Lysate
    Lane 5 : A549 (Human lung adenocarcinoma epithelial cell line) Whole Cell Lysate
    Lane 6 : K562 (Human erythromyeloblastoid leukemia cell line) Whole Cell Lysate

    Lysates/proteins at 10 µg per lane.

    Secondary
    Goat Anti-Rabbit IgG H&L (HRP) preadsorbed (ab97080) at 1/5000 dilution
    Developed using the ECL technique

    Performed under reducing conditions.

    Predicted band size : 36 kDa
    Observed band size : 38 kDa (why is the actual band size different from the predicted?)
    Additional bands at : 22 kDa,58 kDa. We are unsure as to the identity of these extra bands.

    Exposure time : 2 minutes
  • ICC/IF image of ab105081 stained HepG2 cells. The cells were 10% formaldehyde fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab105081, 1µg/ml) overnight at +4°C. The secondary antibody (green) was ab105081, DyLight® 488 goat anti-rabbit IgG (H+L) used at a 1/250 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM. This antibody also gave a positive result in 4% formaldehyde fixed (10 min) HeLa, Hek293 and MCF7 cells at 1µg/ml, and in 100% methanol fixed (5 min) HeLa, Hek293, HepG2 and MCF7 cells at 1µg/ml.

Anti-APE1 antibody (ab105081) 使用論文

ab105081 has not yet been referenced specifically in any publications.

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