DRP5B (dynamin related protein 5B), EC=3.6.5.5 is involved in plastid and peroxisome division process and required for the last steps of plastid division, especially in mesophyll-cell. Necessary for peroxisome activities. Alternative names: Dynamin-like protein ARC5, Dynamin-related protein 5B, Protein ACCUMULATION AND REPLICATION OF CHLOROPLASTS 5.