Aurora kinase A
protein-coding gene in the species Homo sapiens
Aurora kinase A also known as serine/threonine-protein kinase 6 is an enzyme that in humans is encoded by the AURKA gene.
Aurora A is a member of a family of mitotic serine/threonine kinases. It is implicated with important processes during mitosis and meiosis whose proper function is integral for healthy cell proliferation. Aurora A is activated by one or more phosphorylations and its activity peaks during the G2 phase to M phase transition in the cell cycle.
Discovery
The aurora kinases were first identified in 1990 during a cDNA screen of Xenopus eggs. The kinase discovered, Eg2, is now referred to as Aurora A. However, Aurora A's meiotic and mitotic significance was not recognized until 1998.
Aurora kinase family
The human genome contains three members of the aurora kinase family: Aurora kinase A, Aurora kinase B and Aurora C kinase. The Xenopus, Drosophila, and Caenorhabditis elegans genomes, on the other hand, contain orthologues only to Aurora A and Aurora B.
In all studied species, the three Aurora mitotic kinases localize to the centrosome during different phases of mitosis. The family members have highly conserved C-terminal catalytic domains. Their N-terminal domains, however, exhibit a large degree of variance in the size and sequence.
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This entry incorporates text from “Aurora kinase A” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.