References
References 

1. Ray, L. et al., 2018. Membrane association of monotopic phosphoglycosyl transferase underpins function. Nature Chemical Biology 14: 538-541.
 
2. Lukose, V., Walvoort, M., and Imperiali, B., 2017. Bacterial phosphoglycosyl transferases: initiators of glycan biosynthesis at the membrane interface. Glycobiology 27: 820-833. 

3. Allen, K., Entova, S., Ray, L., Imperiali, B., 2019. Monotopic Membrane Proteins Join the Fold. Trends in Biochemical Sciences 44: 7-20. 

4. Das, D., Kuzmic, P., Imperiali, B., 2017. Analysis of a dual domain phosphoglycosyl transferase reveals a ping-pong mechanism with a covalent enzyme intermediate. Proceedings of the National Academy of Sciences of the United States of America 114: 7019-7024. 

5. Tytgat, H., Lebeer, S., 2014. The Sweet Tooth of Bacteria: Common Themes in Bacterial Glycoconjugates. Microbiology and Molecular Biology Reviews 78: 372-417. 

6. Protein Data Bank. https://www.rcsb.org/structure/5W7L. 

7. Protein identification and analysis tools on the ExPASy server. Gasteiger, E. et. al. In J. M. Walker (Ed.) The proteomics protocols handbook. Totowa, New Jersey: Humana Press Inc. 2005. 

8. Hartley, M., Schneggenburger, P., Imperiali, B., 2013. Lipid bilayer nanodisc platform for investigating polyprenol-dependent enzyme interactions and activities. Proceedings of the National Academy of Sciences of the United States of America 110: 20863-20870. 

9. Bhagwat, M., Aravind, L., 2007. PSI-BLAST Tutorial Chapter in Comparative Genomics: Volumes 1 and 2. Totowa, Humana Press. 

10. Basic Local Alignment Search Tool. National Center for Biotechnology Information. 2012. http://www.ncbi.nlm.nih.gov/blast/Blast.cgi 

11. Dali server: conservation mapping in 3D. Nucl. Acids Res. 38, W545-549. Holm L, Rosenström, P. 2010. 

12. Chen, Y., Cramer, P., 2019. Structure of the super-elongation complex subunit AFF4 C-terminal homology domain reveals requirements for AFF homo- and heterodimerization. Journal of Biological Chemistry 294: 10663-10673. 

13. Protein Data Bank. https://www.rcsb.org/structure/6R80.