Recombinant human Cdc25A protein (ab105905)



  • Nature
  • Source
    Baculovirus infected Sf9 cells
  • Amino Acid Sequence
    • Accession
    • Species
    • Molecular weight
      94 kDa including tags
    • Amino acids
      1 to 524


Our Abpromise guarantee covers the use of ab105905 in the following tested applications.

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

  • Biological activity
    Specific activity 31 nmol phosphate released/min/mg.
  • Applications

    Western blot

    Functional Studies

  • Purity
    > 80 % Densitometry.
    ab105905 was determined to be >80% pure by densitometry.
  • Form
  • Concentration information loading...

Preparation and Storage

  • Stability and Storage

    Shipped on dry ice. Upon delivery aliquot and store at -80ºC. Avoid freeze / thaw cycles.

    Preservative: None
    Constituents: 25% Glycerol, 50mM Tris HCl, 150mM Sodium chloride, 10mM Glutathione, 0.25mM DTT, 0.1mM EDTA, 0.1mM PMSF, pH 7.5

    This product is an active protein and may elicit a biological response in vivo, handle with caution.

General Info

  • Alternative names
    • Cdc 25a
    • CDC25A
    • CDC25A2
    • CDC25A2 CAG isoform
    • Cell division cycle 25 homolog A (S. pombe)
    • Cell division cycle 25A
    • Cell division cycle 25A isoform a
    • Cell division cycle 25A isoform b
    • D9Ertd393e
    • Dual specificity phosphatase Cdc25A
    • M phase inducer phosphatase 1
    • M-phase inducer phosphatase 1
    • MGC115549
    see all
  • Function
    Tyrosine protein phosphatase which functions as a dosage-dependent inducer of mitotic progression. Directly dephosphorylates CDK1 and stimulates its kinase activity. Also dephosphorylates CDK2 in complex with cyclin E, in vitro.
  • Sequence similarities
    Belongs to the MPI phosphatase family.
    Contains 1 rhodanese domain.
  • Domain
    The phosphodegron motif mediates interaction with specific F-box proteins when phosphorylated. Putative phosphorylation sites at Ser-79 and Ser-82 appear to be essential for this interaction.
  • Post-translational
    Phosphorylated by CHEK1 on Ser-76, Ser-124, Ser-178, Ser-279, Ser-293 and Thr-507 during checkpoint mediated cell cycle arrest. Also phosphorylated by CHEK2 on Ser-124, Ser-279, and Ser-293 during checkpoint mediated cell cycle arrest. Phosphorylation on Ser-178 and Thr-507 creates binding sites for YWHAE/14-3-3 epsilon which inhibits CDC25A. Phosphorylation on Ser-76, Ser-124, Ser-178, Ser-279 and Ser-293 may also promote ubiquitin-dependent proteolysis of CDC25A by the SCF complex. Phosphorylation of CDC25A at Ser-76 by CHEK1 primes it for subsequent phosphorylation at Ser-79, Ser-82 and Ser-88 by NEK11. Phosphorylation by NEK11 is required for BTRC-mediated polyubiquitination and degradation. Phosphorylation by PIM1 leads to an increase in phosphatase activity. Phosphorylated by PLK3 following DNA damage, leading to promote its ubiquitination and degradation.
    Ubiquitinated by the anaphase promoting complex/cyclosome (APC/C) ubiquitin ligase complex that contains FZR1/CDH1 during G1 phase leading to its degradation by the proteasome. Ubiquitinated by a SCF complex containing BTRC and FBXW11 during S phase leading to its degradation by the proteasome. Deubiquitination by USP17L2/DUB3 leads to its stabilization.
  • Information by UniProt

Recombinant human Cdc25A protein images

  • The specific activity of ab105905 was determined to be 31 nmol phosphate released/min/mg.
  • The purity of ab105905 was determined to be >80% by densitometry.

References for Recombinant human Cdc25A protein (ab105905)

ab105905 has not yet been referenced specifically in any publications.

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