Probable substrate-specific adapter of an E3 ubiquitin-protein ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of target proteins . Seems to regulate expression levels and/or subnuclear distribution of TOP1, via an unknown mechanism (By similarity). May play a role in mesenchymal differentiation where it promotes myogenic differentiation and suppresses adipogenesis (By similarity).
Subcellular locations: Cytoplasm
Localizes to punctate or elongated cytoplasmic bodies.
Ubiquitous; highest levels in testes, heart and skeletal muscle.