Glover, K.J., Weerapana, E. and Imperiali, B. (2005). „In vitro assembly of the undecaprenylpyrophosphate-linked heptasaccharide for prokaryotic N-linked glycosylation”. Proc. Natl. Acad. Sci. USA102: 14255-14259. PMID16186480.
Chen, M.M., Weerapana, E., Ciepichal, E., Stupak, J., Reid, C.W., Swiezewska, E. and Imperiali, B. (2007). „Polyisoprenol specificity in the Campylobacter jejuni N-linked glycosylation pathway”. Biochemistry46: 14342-14348. PMID18034500.