Previous Article Next Article Table of Contents Journal of the American Chemical Society, Vol.125, No.25, 7532-7533, 2003 DOI10.1021/ja0344967 Export Citation Trypanosoma cruzi trans-sialidase operates through a covalent sialyl-enzyme intermediate: Tyrosine is the catalytic nucleophile Watts AG, Damager I, Amaya ML, Buschiazzo A, Alzari P, Frasch AC, Withers SG Please enable JavaScript to view the comments powered by Disqus.