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Biochim Biophys Acta. 1996 Nov 12;1277(1-2):6-12.

Sequence analysis of an internal 9.72-kb segment from the 30-kb denitrification gene cluster of Pseudomonas stutzeri.

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Lehrstuhl für Mikrobiologie, Universität Fridericiana, Karlsruhe, Germany.


The DNA segment was sequenced that links the nir-nor and nos gene clusters for denitrification of Pseudomonas stutzeri ATCC 14405. Of 10 predicted gene products, four are putative membrane proteins. Sequence similarity was detected with the subunit III of cytochrome-c oxidase (ORF175), PQQ3 of the biosynthetic pathway for pyrrolo-quinoline quinone (ORF393), S-adenosylmethionine-dependent uroporphyrinogen-III C-methyltransferase (ORF278), the cytochrome cd1 nitrite reductase and the NirF protein involved in the biosynthesis of heme d1 (ORF507), LysR type transcriptional regulators (ORF286), short-chain alcohol dehydrogenases (ORF247), and a hypothetical protein, YBEC, of Escherichia coli (ORF57). The current data together with previous work establish a contiguous DNA sequence of 29.2 kb comprising the supercluster of nos-nir-nor genes for denitrification in this bacterium.

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