Inhibition by phenylglyoxal of nitrate transport in Paracoccus denitrificans: a comparison with the effect of a protonophorous uncoupler

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Authors

KUČERA Igor

Year of publication 2003
Type Article in Periodical
Magazine / Source Archives of biochemistry and biophysics
MU Faculty or unit

Faculty of Science

Citation
Web http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WB5-473M7K6-1&_user=835458&_handle=B-WA-A-A-WA-MsSAYVA-UUA-AUYBDDECUV-AUYABZUBUV-BVWYYZVCU-WA-U&_fmt=full&_coverDate=01%2F15%2F2003&_rdoc=9&_orig=browse&_srch=%23toc%236701%232003%23995909997%233
Field Biochemistry
Keywords nitrate;nitrite;transport;covalent modification;uncoupler
Description The existence of two nitrate import pathways is shown that are comparably inhibited by phenylglyoxal and differ in their sensitivities to the uncoupler CCCP. A simplified kinetic model for phenylglyoxalation is proposed to account for the observed nonintegral reaction orders.
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