• Polyproline Tetramer Organizing Peptides in Fetal Bovine Serum Acetylcholinesterase 

      Biberoglu, Kevser; Schopfer, Lawrence M.; Saxena, Ashima; Tacal, Ozden; Lockridge, Oksana (Elsevier Science Bv, 2013)
      Acetylcholinesterase (AChE) in the serum of fetal cow is a tetramer. The related enzyme, butyrylcholinesterase (BChE), in the sera of humans and horse requires polyproline peptides for assembly into tetramers. Our goal was ...
    • Solid-Phase Enzyme Modification Via Affinity Chromatography 

      Baran, ET; Ozer, N; Hasirci, V (Elsevier Science Bv, 2003)
      In the present study antileukemic enzyme L-asparaginase (ASNase) and catalase (as a model enzyme) were modified in solid-phase with activated polyethylene glycol (PEG,) by using ligand-immobilized affinity column systems ...