Search Thermo Fisher Scientific
Search Thermo Fisher Scientific
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Immunogen sequence: KYSLGSITSP SPISSPTFSP IEFQIGETPL SEQRKFTVHS PDASSGTNSN GITNPCIRSP YIDGCSPIKN WSPMRLQMYS GGTQYRTSVI QIPFTLETQG EDEEDKENIP STDVSSPAMD AAGIHLRQFS NEASTHGTHL VVTAMSVTQN QSSASEKELA LLQDVEREKD NNTVDMVDPI EIADETTWIK EPVDNGSLPM TDFVSGIAFS IENSHMCMSP LAESSVIPCE SSNIQMDSGY NTQNCGSNIM DTVGAESYCK ESDAQTCEVE SKSQAFNMKQ DHTTQRCWMK TASPFQCSSP; Positive Samples: HT-29, HeLa
Bora (Protein aurora borealis) is a key activator of Aurora Related Protein Kinase A (ARK-1), which is a centrosome-associated serine/threonine kinase that regulates centrosome maturation, bipolar spindle assembly and chromosome segregation during mitosis. Bora is localized to the nucleus until mitosis is initiated, then translocates to the cytoplasm in a Cdc2 dependent manner. Activation of Cdc2 initiates the release of Bora into the cytoplasm where it can bind and activate ARK-1. PLK1 (polo-like kinase-1) interacts with Bora to control the accessibility of its activation loop for phosphorylation and activation by ARK-1. Bora and ARK-1 cooperatively activate PLK1 and control mitotic entry. Bora mutants result in multipolar spindles in mitosis identical to those observed when ARK-1 function is blocked. Thus, the ARK1-Bora-PLK1 regulatory circuit in mammalian cells elucidates a key mechanism in cell cycle regulation. At least three isoforms of Bora are known to exist.
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Protein Aliases: HsBora; Protein aurora borealis; RP11-342J4.2
Gene Aliases: BORA; C13orf34
UniProt ID: (Human) Q6PGQ7
Entrez Gene ID: (Human) 79866
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