Article
Interactions of a family 18 chitinase with the designed inhibitor HM508 and its degradation product, chitobiono-delta-lactone.
The Journal of biological chemistry - 30 Jan 2004
Vaaje-Kolstad Gustav, Vasella Andrea, Peter Martin G, Netter Catharina, Houston Douglas R, Westereng Bjørge, Synstad Bjørnar, Eijsink Vincent G H, van Aalten Daan M F
Abstract excerpt
We describe enzymological and structural analyses of the interaction between the family 18 chitinase ChiB from Serratia marcescens and the designed inhibitor N,N'-diacetylchitobionoxime-N-phenylcarbamate (HM508). HM508 acts as a competitive inhibitor of this enzyme with a K(i) in the 50 microM range. Active site mutants of ChiB show K(i) values ranging from 1 to 200 microM, providing insight into some of the...
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