Article
Asp48 function in the hydrogen-bonding network involving Asp52 of hen egg-white lysozyme.
Bioscience, biotechnology, and biochemistry - 1 Jan 2015
Kawaguchi Yuya, Yoneda Kazunari, Torikata Takao, Araki Tomohiro
Abstract excerpt
To characterize the hydrogen-bonding network in lysozyme, we focused on the residue of Asp48 located at the active site in hen egg-white lysozyme. We constructed a mutant lysozyme (D48A) and analyzed using (GlcNAc)3 and chitin-affinity chromatography. The substrate binding of subsites D-F in D48A and the activity against (GlcNAc)5 were decreased. The parameters of substrate binding and rate constants obtained...
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