2EX1:
reference: Cytidine 5'-Monophosphate (CMP)-Induced Structural Changes in a Multifunctional Sialyltransferase from Pasteurella multocida(,)., Ni L, Sun M, Yu H, Chokhawala H, Chen X, Fisher AJ, Biochemistry. 2006 Feb 21;45(7):2139-48. PMID: 16475803

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