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Journal of Bacteriology, September 2002, p. 4930-4932, Vol. 184, No. 17
0021-9193/02/$04.00+0 DOI: 10.1128/JB.184.17.4930-4932.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.
The metD D-Methionine Transporter Locus of Escherichia coli Is an ABC Transporter Gene Cluster
József Gál,* Attila Szvetnik, Róbert Schnell,,
and Miklós Kálmán
Institute for Biotechnology, Bay Zoltán Foundation for Applied Research, and Institute of Genetics, Biological Research Center, Hungarian Academy of Sciences, H-6701 Szeged, Hungary
Received 9 April 2002/
Accepted 5 June 2002
The metD D-methionine transporter locus of Escherichia coli was identified as the abc-yaeE-yaeC cluster (now renamed metNIQ genes). The abc open reading frame is preceded by tandem MET boxes bracketed by the -10 and -35 boxes of a promoter. The expression driven by this promoter is controlled by the MetJ repressor and the level of methionine.
* Corresponding author. Present address: Laboratory of Molecular Genetics, National Institute of Child Health and Human Development, National Institutes of Health, 6 Center Dr., Building 6B, Room 3B-316, Bethesda, MD 20892-2785. Phone: (301) 594-9840. Fax: (301) 496-0243. E-mail:
galj2{at}mail.nih.gov.
Present address: Department of Microbiology, Stockholm University, Stockholm, Sweden S-10691.
Journal of Bacteriology, September 2002, p. 4930-4932, Vol. 184, No. 17
0021-9193/02/$04.00+0 DOI: 10.1128/JB.184.17.4930-4932.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.
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