Ramasamy, V., Ramakrishnan, B., Boeggeman, E., Ratner, D. M., Seeberger, P. H., & Qasba, P. K. (2005).
Oligosaccharide preferences of β1,4-galactosyltransferase-I: crystal structures of Met340His mutant of human β1,4-galactosyltransferase-I
with a pentasaccharide and trisaccharides of the N-glycan moiety. Journal of Molecular Biology (London),
353(1), 53-67. doi:10.1016/j.jmb.2005.07.050.