Essential component of the mitotic spindle required for faithful chromosome segregation and progression into anaphase. Promotes the metaphase-to-anaphase transition and is required for chromosome alignment, normal timing of sister chromatid segregation, and maintenance of spindle pole architecture. The astrin (SPAG5)-kinastrin (SKAP) complex promotes stable microtubule-kinetochore attachments. Required for kinetochore oscillations and dynamics of microtubule plus-ends during live cell mitosis, possibly by forming a link between spindle microtubule plus-ends and mitotic chromosomes to achieve faithful cell division.

312 amino acids

MAAPEAEAQETAFRTTGPPTDSEPRPFPPSSRKFPFESAAADSNEDWAVAAEHYLKGSGENGGWEQPAPGVQPSHPATMASAKTVCDAQPHSMPSCGLPADTQTRATSKLPVKSKEADLLRHLHPGGPEPDVTKVTKSRRENGQVKAAETASRRNLRNSYKPFNKQKPEEELKDKNELLEAVNKQLHQKLTETQGELKDLTQKVELLEKFQDNCLALLESKGLNPGQETLASKQEPTTDHTDSMLLLETLKDELKVFNETAKKQMEELQALKVKLKLKEEESVQFLEQQTLCKDEASDFTIILEEMEQLLEM

34.7 kDa

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

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