4WHB:
reference: Evolutionary expansion of the amidohydrolase superfamily in bacteria in response to synthetic compounds: the molinate and diuron hydrolases., Sugrue E, Fraser NJ, Hopkins DH, Carr PD, Khurana JL, Oakeshott JG, Scott C, Jackson CJ, Appl Environ Microbiol. 2015 Jan 30. pii: AEM.04016-14. PMID: 25636851

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