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MID2 is a member of the tripartite motif (TRIM) family. The MID motif includes three zinc-binding domains, a RING, a B-box type 1 and a B-box type 2, and a coiled-coil region. The protein localizes to microtubular structures in the cytoplasm. Its function has not been identified. Alternate splicing of the gene encoding MID2 results in two transcript variants encoding different isoforms.
