The ST6GAL1 protein is responsible for facilitating the transfer of sialic acid from CMP-sialic acid to galactose-containing receptor substrates. Sialic acid is an important component of a variety of glycoproteins and glycolipids, and ST6GAL1 protein-mediated sialic acid transfer plays a crucial role in regulating the structure and function of these molecules. ST6GAL1 Protein, Rat (HEK293, His) is the recombinant rat-derived ST6GAL1 protein, expressed by HEK293 , with N-His labeled tag.