Predicted to enable MIT domain binding activity and identical protein binding activity. Predicted to be involved in several processes, including midbody abscission; regulation of cell cycle process; and viral budding via host ESCRT complex. Predicted to be located in endosome membrane; midbody; and nucleoplasm. Predicted to be part of ESCRT III complex and membrane coat. Predicted to be active in multivesicular body. Orthologous to several human genes including CHMP1B (charged multivesicular body protein 1B). [provided by Alliance of Genome Resources, Apr 2022]