CD133/2 (AC141) antibodies, human

CD133/2 (AC141) antibodies, human

Clone: AC141 | Dilution: 1:11
CD133 is a novel 5-transmembrane cell surface antigen with a molecular weight of 117 kDa. CD133/2 (AC141) antibodies recognize epitope 2 of the human CD133 antigen (CD133/2). In the hematopoietic system, CD133 expression is restricted to a subset of CD34
stem and progenitor cells in human fetal liver, bone marrow, cord blood and peripheral blood. Additionally, CD133 is expressed by a small portion of CD34
cells in these tissues. The CD34
cell population, which includes CD34
cells, was shown to be capable of repopulating NOD/SCID mice. Recently, CD133 has also been found to be expressed on endothelial precursor cells and fetal neural stem cells as well as on developing epithelium. The putative murine homologue, prominin, which is expressed on neuroepithelial and epithelial mouse cells, was identified. In contrast to the other CD133 clones, the clone AC141 shows cross-reactivity with the intracellular protein cytokeratin 18.

Alternative Names


Technical specifications

  • Antigen: CD133/2 (AC141)
  • Clone: AC141
  • Isotype: mouse IgG1
  • Isotype control: Mouse IgG1 – isotype control antibodies
  • Alternative names of antigen: PROM1, AC133, CORD12, MCDR2, MSTP061, PROML1, RP41, STGD4
  • Entrez Gene ID: 8842
  • Molecular mass of antigen [kDa]: 117
  • Distribution of antigen: brain, endothelial cells, epithelial cells, heart, hematopoietic stem cells, kidney, liver, lung, pancreas, placenta, ES and iPS cells, red blood cells
  • Product format: Reagents are supplied in buffer containing stabilizer and 0.05% sodium azide.
  • Storage: Store protected from light at 2–8 °C. Do not freeze.
  • Available conjugates: PE, pure
Product options: 1

Product information

Order no.

CD133/2 (AC141) pure, human

  • AC141
  • For research use only
50 µg in 1 mL

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