Predicted to enable protein folding chaperone and unfolded protein binding activity. Acts upstream of or within binding activity of sperm to zona pellucida; pore complex assembly; and toxin transport. Located in cell body. Part of chaperonin-containing T-complex and zona pellucida receptor complex. Is expressed in several structures, including alimentary system; genitourinary system; heart; nervous system; and sensory organ. Orthologous to human CCT8 (chaperonin containing TCP1 subunit 8). [provided by Alliance of Genome Resources, Apr 2022]