Predicted to enable microtubule binding activity and polyubiquitin modification-dependent protein binding activity. Predicted to be involved in several processes, including mitotic spindle assembly; protein K63-linked deubiquitination; and response to ischemia. Predicted to act upstream of or within cellular response to freezing. Predicted to be located in cytoplasm. Predicted to be part of BRISC complex. Predicted to be active in nucleus. Predicted to colocalize with microtubule minus-end; midbody; and spindle pole centrosome. Orthologous to human ABRAXAS2 (abraxas 2, BRISC complex subunit). [provided by Alliance of Genome Resources, Apr 2022]