The LCN8 protein may play a crucial role in male fertility, serving as a retinoid carrier in the epididymis and contributing to important processes in reproductive function. Its involvement in retinoid transport and regulation highlights its importance, particularly in spermatogenesis. LCN8 Protein, Human (HEK293, His) is the recombinant human-derived LCN8 protein, expressed by HEK293 , with C-His labeled tag.