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A new penicillin acylase was isolated by cloning and functional screening of DNA isolated from a sand soil enrichment culture. Sequence analysis of this enzyme, PAS2, revealed homology to a group of prominent penicillin G acylases, including the intensively studied enzyme of Escherichia coli ATCC 11105. Accordingly, PAS2 was found to be an Ntn-hydrolase(More)
We study, in detail, the supersymmetric quantum mechanics of charge-(1, 1) monopoles in N = 2 supersymmetric Yang-Mills-Higgs theory with gauge group SU (3) spontaneously broken to U (1)×U (1). We use the moduli space approximation of the quantised dynamics, which can be expressed in two equivalent formalisms: either one describes quantum states by Dirac(More)
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