Phosphtase Subfamily CDC25

Phosphatase Classification: Superfamily CC3 (Rhondanese): Family CDC25: Subfamily CDC25

CDC25 subfamily has three member genes in human, CDC25A, CDC25B, CDC25C. They contain a catalytic domain on the C-terminus [1, 2], and a less-conserved N-terminal regulatory region [3], which can be phosphorylated and ubiquitinated. CDC25 activates cyclin-dependent kinases (CDKs) by dephosphorylating two sites within their ATP binding loop. CDKs regulate key transitions between cell cycle phases, and are key components of the checkpoint pathways involved in DNA damage. Thus, it is not suppressing to find it overexpressed in many human cancers [4].

CDC25 is found in most animals, but is absent from land plants and green alga Chalmydomonas. In excavates, they are found in Trichomonas, but not Giardia, Leishmania, or Trypanosomes.

References

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