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Site melA
- Name: melA
- Type: Gene
- Synonyms
b4119 MG1655 locus tag mel-7 - Mnemonic: Melibiose
- Left End Point: 93.54
- Right End Point: 93.57
- Products:
alpha-galactosidase - Direction: >
- Priority: 1
- 2 Alleles of This Gene
melA7 melA745(del)::kan - External Database Links:
Host Site Page Links NCBI/GenBank X04894 EcoGene.org EG10577 EcoliWiki melA - Comment:
- Selectable phenotype. Regulatory, in lacI: growth on raffinose. Regulatory, loss of catabolite repression: growth on melibiose + a-methylgucoside.
- References:
- Lester, B., D.M. Bonner 1957. Genetic control of raffinose utilization in Escherichia coli. J.Bacteriol. 73:544-552
- Hanatani, M., H. Yazyu, S. Shiota-Niiya, Y. Moriya, H. Kanazawa, M. Futai, T. Tsuchiya 1984. Physical and genetic characterization of the melibiose operon and identification of the gene products in Escherichia coli. J.Biol.Chem. 259:1807-1812
- Shimamoto, T., H. Yazyu, M. Futai, T. Tsuchiya 1984. Nucleotide sequence of the promoter region of the melibiose operon of Escherichia coli. Biochem.Biophys.Res.Commun. 121:41-46
- Webster, C., K. Kempsell, I.R. Booth, S.J. Busby 1987. Organization of the regulatory region of the Escherichia coli melibiose operon. Gene 59:253-263
- Liljestrom, P.L., P. Liljestrom 1987. Nucleotide sequence of the melA gene, coding for alpha-galactosidase in Escherichia coli K-12. Nucleic Acids Res. 15:2213-2220
- Keen, J., J. Williams, S.J. Busby 1996. Location of essential sequence elements at the Escherichia coli melAB promoter. Biochem.J. 318:443-449