... glycoprotein [28,29], in uenzavirus hemagglutinin [30,31], and IgM [32] in ER, a further role of N-linked oligosacharide chains of fhx/P25 in the process of assembly of the elementary unit in ER ... assembly of the elementary unit of fibroin in ERIt was demonstrated in this study that the elementaryunit of fibroin, having the same molar ratio of H- and L-chains, and fhx/P25 as of the elementary ... fhx/P25 in the elementary unit in the presence of L-chainTwo possibilities exist with respect to the role of L-chain in the protection of terminal a1,2-mannose residues of fhx/P25 in the elementary...