Spindle and kinetochore-associated protein 2 (SKA2) interacts with the N-termini of SKA1 and SKA3 and forms the Ska complex [1]. This is a microtubule binding complex required for chromosome segregation [2-3].

1: Structural and functional organization of the Ska complex, a key component of the kinetochore-microtubule interface. Jeyaprakash AA, Santamaria A, Jayachandran U, Chan YW, Benda C, Nigg EA, Conti E; Mol Cell. 2012;46:274-286. PMID:22483620

2: Timely anaphase onset requires a novel spindle and kinetochore complex comprising Ska1 and Ska2. Hanisch A, Sillje HH, Nigg EA; EMBO J. 2006;25:5504-5515. PMID:17093495

3: The human kinetochore Ska1 complex facilitates microtubule depolymerization-coupled motility. Welburn JP, Grishchuk EL, Backer CB, Wilson-Kubalek EM, Yates JR 3rd, Cheeseman IM; Dev Cell. 2009;16:374-385. PMID:19289083