RYK protein, together with FZD8, serves as a potential Wnt co-receptor for WNT1, WNT3, WNT3A and WNT5A, affecting neuronal differentiation, axon guidance and neurite growth. After WNT3 stimulation, RYK undergoes C-terminal cleavage and transfers intracellular products to the nucleus, which is critical for neuronal development. RYK Protein, Human (HEK293, Fc) is the recombinant human-derived RYK protein, expressed by HEK293 , with C-hFc labeled tag.