Ser-796 of Beta-galactosidase (E. coli) plays a Key role in Maintaining an Optimum Balance between the Opened and Closed Conformations of the Catalytically Important Active Site Loop
Jancewicz, L.J., Wheatley, R.W., Sutendra, G., Lee, M., Fraser, M.E., Huber, R.E.(2012) Arch.Biochem.Biophys. 517: 111-122
- PubMed: 22155115 
- DOI: 10.1016/j.abb.2011.11.017
- Primary Citation of Related Structures:  
- PubMed Abstract: 
A loop (residues 794-803) at the active site of β-galactosidase (Escherichia coli) opens and closes during catalysis. The α and β carbons of Ser-796 form a hydrophobic connection to Phe-601 when the loop is closed while a connection via two H-bonds w ...