Acts as a component of the NMS (Ndc80-MIND-Spc7) super complex which has a role in kinetochore function during late meiotic prophase and throughout the mitotic cell cycle. Required for correct segregation of chromosomes and for maintaining the inner centromere structure. Component of the NMS super complex which consists of mis12, mis13, mis14, ndc80, nnf1, nuf2, sos7, spc7, spc24 and spc25. Interacts with dis1, mal2, mis14, ppe1 and ekc1. Belongs to the mis12 family.