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Kinetic studies of the phenol sulphate-phenol sulphotransferase of Aspergillus oryzae.

ABSTRACT: Arylsulphatase II of Aspergillus oryzae exhibits both hydrolytic and sulphotransferase activities. The kinetic data suggest the formation of an intermediate covalent enzyme-sulphate complex with transfer of sulphate from donor to acceptor proceeding via a Ping Pong mechanism. The unusual kinetic behaviour when 2-hydroxy-5-nitrophenyl sulphate is the substrate is also consistent with this mechanism.

SUBMITTER: Burns GR

PROVIDER: S-EPMC1183639 | biostudies-other | 1977 Oct

REPOSITORIES: biostudies-other

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