Acts as a component of the essential kinetochore-associated NDC80 complex, which is required for chromosome segregation and spindle checkpoint activity (PubMed:12514103, PubMed:14738735). Required for kinetochore integrity and the organization of stable microtubule binding sites in the outer plate of the kinetochore. The NDC80 complex synergistically enhances the affinity of the SKA1 complex for microtubules and may allow the NDC80 complex to track depolymerizing microtubules. May play a role in chromosome congression and may be essential for the end-on attachment of the kinetochores to spindle microtubules (By similarity).

Belongs to the NDC80/HEC1 family.

638 amino acids

MRRSSVTNRQSLLPLRVQDANRMGLTTPQNKDRQGFGKLSMSKPHSGTSEKKTSFFGKRASNGTARTSQYGAFGGTEKIKDPRPLHDKAFIQQCIRQLCEFLNENGYSQALTVKSLQGPSTKDFLKIFAFIYTFICPNYENPESKFEEEIPRIFKELGYPFALSKSSMYTVGAPHTWPQIVAALVWLIDCVKLCCVLRSENPVFEDPPMGEQSENGIDFNQLFLDYTVRCYDQFMEGRDTFEEYDTDVCIRLKEAYHVDESNLEALQQESRRLMEEIERLEKEKENEPDRLASMRKLKASLQADIQKYQNYLTEIESHSTLLDQRVSSISEELEATELESRAIQQENLRLKNILDNQKYSVADIERIKYEETELQQTIAKLTKDLDEDKQQLWHEELKYAKMKESVETQLSEFHKIGRKVRLIPPTAEFANGYDFQIQCNLDSEQSSLMHYRNKINVPLVEILSQSEGHIASSTNKKMGVEDMVEQLNTLIGEKKNEVKVQKDEAQKLEEIYQQKVEESEEHEKRWISEIESLEKHRQLLESGVNKSLDEAMKDLQKEQQELQLVEHRTEEEMRQVENKLVRVVHAVANHVAVIEKHLEEKRLKVEREYEEFMKEDLLLDLRELLEKYKEKARVLDSL

74.5 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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