• Product name

    Anti-Annexin A1/ANXA1 antibody [2F1]
    See all Annexin A1/ANXA1 primary antibodies
  • Description

    Mouse monoclonal [2F1] to Annexin A1/ANXA1
  • Host species

  • Tested applications

    Suitable for: WB, IHC-Pmore details
  • Species reactivity

    Reacts with: Mouse, Human, African green monkey
  • Immunogen

    Recombinant fragment corresponding to Human Annexin A1/ANXA1 aa 144-248.

  • Positive control

    • Human Annexin A1 recombinant protein; HeLa, A549, K562, NIH 3T3, C6 and COS7 cell lysates; Human cervical and ovarian cancer tissues.



Our Abpromise guarantee covers the use of ab135256 in the following tested applications.

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

Application Abreviews Notes
WB 1/500 - 1/2000. Predicted molecular weight: 39 kDa.
IHC-P 1/200 - 1/1000.


  • Function

    Calcium/phospholipid-binding protein which promotes membrane fusion and is involved in exocytosis. This protein regulates phospholipase A2 activity. It seems to bind from two to four calcium ions with high affinity.
  • Sequence similarities

    Belongs to the annexin family.
    Contains 4 annexin repeats.
  • Domain

    A pair of annexin repeats may form one binding site for calcium and phospholipid.
  • Post-translational

    Phosphorylated by protein kinase C, epidermal growth factor receptor/kinase and TRPM7. Phosphorylation results in loss of the inhibitory activity.
  • Cellular localization

    Nucleus. Cytoplasm. Cell projection > cilium. Basolateral cell membrane. Found in the cilium, nucleus and basolateral cell membrane of ciliated cells in the tracheal endothelium (By similarity). Found in the cytoplasm of type II pneumocytes and alveolar macrophages.
  • Information by UniProt
  • Database links

  • Alternative names

    • Annexin 1 antibody
    • Annexin A1 antibody
    • Annexin I (lipocortin I) antibody
    • Annexin I antibody
    • Annexin-1 antibody
    • AnnexinA1 antibody
    • AnnexinI antibody
    • ANX 1 antibody
    • ANX A1 antibody
    • ANX1 antibody
    • ANXA 1 antibody
    • ANXA1 antibody
    • ANXA1 protein antibody
    • ANXA1_HUMAN antibody
    • Calpactin 2 antibody
    • Calpactin II antibody
    • Calpactin-2 antibody
    • CalpactinII antibody
    • Chromobindin 9 antibody
    • Chromobindin-9 antibody
    • Chromobindin9 antibody
    • HGNC:533 antibody
    • Lipocortin 1 antibody
    • Lipocortin I antibody
    • Lipocortin1 antibody
    • LipocortinI antibody
    • LPC 1 antibody
    • LPC1 antibody
    • p35 antibody
    • Phospholipase A2 inhibitory protein antibody
    see all


  • Lane 1: Wild type HAP1 whole cell lysate (20 µg)
    Lane 2: Annexin A1 knockout HAP1 whole cell lysate (20 µg)
    Lane 3: HeLa whole cell lysate (20 µg)
    Lane 4: HepG2 whole cell lysate (20 µg)


    Lanes 1 - 4: Merged signal (red and green). Green - ab135256 observed at 38 kDa. Red - loading control, ab176560, observed at 50 kDa.


    ab135256 was shown to specifically react with Annexin A1 when Annexin A1 knockout samples were used. Wild-type and Annexin A1 knockout samples were subjected to SDS-PAGE. Ab135256 and ab176560 (Rabbit anti alpha Tubulin loading control) were incubated overnight at 4°C at 1/500 dilution and 1/10000 dilution respectively. Blots were developed with Goat anti-Mouse IgG H&L (IRDye® 800CW) preabsorbed ab216772 and Goat anti-Rabbit IgG H&L (IRDye® 680RD) preabsorbed ab216777 secondary antibodies at 1/10000 dilution for 1 hour at room temperature before imaging.

  • Immunohistochemical analysis of paraffin-embedded Human cervical cancer tissue labelling Annexin A1 with ab135256 at 1/200 dilution followed by DAB staining.
  • Anti-Annexin A1/ANXA1 antibody [2F1] (ab135256) at 1/500 dilution + Human Annexin A1 recombinant protein.

    Predicted band size: 39 kDa

    Expected MW of recombinant fragment is 33.7 kDa.
  • All lanes : Anti-Annexin A1/ANXA1 antibody [2F1] (ab135256) at 1/500 dilution

    Lane 1 : HeLa cell lysate
    Lane 2 : A549 cell lysate
    Lane 3 : K562 cell lysate
    Lane 4 : NIH 3T3 cell lysate
    Lane 5 : C6 cell lysate
    Lane 6 : COS7 cell lysate

    Predicted band size: 39 kDa

  • Immunohistochemical analysis of paraffin-embedded Human ovarian cancer tissue labelling Annexin A1 with ab135256 at 1/200 dilution followed by DAB staining.


ab135256 has not yet been referenced specifically in any publications.

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