RNA-binding protein involved in deadenylation-dependent decapping of mRNAs, leading to the degradation of mRNAs. Acts as a scaffold protein that connects deadenylation and decapping machinery (By similarity). Required for the recruitment of P-body components such as cgh-1 in somatic blastomeres (By similarity). May play a role in recruiting the decapping enzyme dcap-1 to cytoplasmic puncta in the cell body of the posterior touch receptor neuron, PLM (By similarity). Belongs to the PAT1 family.