TBC1D21 may act as a GTPase-activating protein for Rab family protein(s). May be involved in acrosome formation and cytoskeletal reorganization during spermiogenesis, possibly by regulating RAB3A activity.
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Protein Aliases: male germ cell-specific expressed, containing a RabGAP domain; TBC1 domain family member 21; TBC1 domain family, member 21
Gene Aliases: MgcRabGAP; TBC1D21
UniProt ID: (Human) Q8IYX1
Entrez Gene ID: (Human) 161514
Molecular Function: GTPase-activating protein