Article ID Journal Published Year Pages File Type
10762789 Biochemical and Biophysical Research Communications 2011 6 Pages PDF
Abstract
► The E312/E343 double-Glu motif of tripeptidylpeptidase II is highly asymmetrical. ► E312 both blocks the active-site cleft at position P4 and acts as the prime docking residue. ► A salt bridge involving E312 conveys high exopeptidase selectivity. ► Substrate binding to the prime-site subsites enables weak endopeptidolysis.
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Life Sciences Biochemistry, Genetics and Molecular Biology Biochemistry
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