Predicted to enable several functions, including BAT3 complex binding activity; identical protein binding activity; and protein self-association. Involved in chaperone-mediated protein folding. Is active in presynapse. Is extrinsic component of synaptic vesicle membrane. Orthologous to human SGTA (small glutamine rich tetratricopeptide repeat co-chaperone alpha). [provided by Alliance of Genome Resources, Apr 2022]