• Product name
  • Description
    Rabbit polyclonal to Mkl1
  • Host species
  • Tested applications
    Suitable for: WB, ICC/IFmore details
  • Species reactivity
    Reacts with: Mouse, Human
    Predicted to work with: Rat, Rabbit, Chimpanzee, Macaque monkey, Gorilla, Orangutan
  • Immunogen

    Synthetic peptide conjugated to KLH derived from within residues 350 - 450 of Human Mkl1.

  • Positive control
    • This antibody gave a positive signal in HepG2 and HEK293 as well as the following tissue lysates: Mouse Lung; Human Placenta; Human Small Intestine. This antibody gave a positive result when used in the following formaldehyde fixed cell lines: MEF1



Our Abpromise guarantee covers the use of ab115319 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 Use a concentration of 1 µg/ml. Detects a band of approximately 99 kDa (predicted molecular weight: 99 kDa).
ICC/IF Use a concentration of 5 µg/ml.


  • Function
    Transcriptional coactivator of serum response factor (SRF) with the potential to modulate SRF target genes. Suppresses TNF-induced cell death by inhibiting activation of caspases; its transcriptional activity is indispensable for the antiapoptotic function. It may up-regulate antiapoptotic molecules, which in turn inhibit caspase activation.
  • Tissue specificity
    Ubiquitously expressed, has been detected in lung, placenta, small intestine, liver, kidney, spleen, thymus, colon, muscle, heart and brain.
  • Involvement in disease
    Note=A chromosomal aberration involving MKL1 may be a cause of acute megakaryoblastic leukemia. Translocation t(1;22)(p13;q13) with RBM15. Although both reciprocal fusion transcripts are detected in acute megakaryoblastic leukemia (AMKL, FAB-M7), the RBM15-MKL1 chimeric protein has all the putative functional domains encoded by each gene and is the candidate oncogene.
  • Sequence similarities
    Contains 2 RPEL repeats.
    Contains 1 SAP domain.
  • Domain
    The N-terminal region is required for nuclear localization and the C-terminal region mediates transcriptional activity.
    The RPEL repeats mediate binding to globular actin.
  • Cellular localization
    Cytoplasm. Nucleus. Binding to globular actin is required to maintain cytoplasmic localization.
  • Information by UniProt
  • Database links
  • Alternative names
    • AI852829 antibody
    • AMKL antibody
    • AW743281 antibody
    • AW821984 antibody
    • Basic SAP coiled-coil transcription activator antibody
    • Bsac antibody
    • KIAA1438 antibody
    • Mal antibody
    • Megakaryoblastic leukemia 1 protein antibody
    • Megakaryocytic acute leukemia protein antibody
    • MKL (megakaryoblastic leukemia)/myocardin like 1 antibody
    • MKL/myocardin like protein 1 antibody
    • MKL/myocardin-like protein 1 antibody
    • Mkl1 antibody
    • MKL1_HUMAN antibody
    • MRTF A antibody
    • Mrtf A antibody
    • MRTF-A antibody
    • MRTFA antibody
    • Myocardin related transcription factor A antibody
    • Myocardin-related transcription factor A antibody
    see all


  • ICC/IF image of ab115319 stained MEF1 cells. The cells were 4% 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 ab115319 at 5µg/ml overnight at +4°C. The secondary antibody (green) was DyLight® 488 goat anti- rabbit (ab96899) 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.

  • All lanes : Anti-Mkl1 antibody (ab115319) at 1 µg/ml

    Lane 1 : Mouse lung normal tissue lysate - total protein (ab29297)
    Lane 2 : Human placenta tissue lysate - total protein (ab29745)
    Lane 3 : Human small intestine tissue lysate - total protein (ab29276)
    Lane 4 : HepG2 (Human hepatocellular liver carcinoma cell line) Whole Cell Lysate
    Lane 5 : HEK293 (Human embryonic kidney cell line) Whole Cell Lysate

    Lysates/proteins at 10 µg per lane.

    All lanes : 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: 99 kDa
    Observed band size: 99 kDa
    Additional bands at: 22 kDa, 35 kDa, 65 kDa. We are unsure as to the identity of these extra bands.

    Exposure time: 3 minutes


ab115319 has not yet been referenced specifically in any publications.

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