title: An essential gene (efg) located at 38.1 minutes on the Escherichia coli chromosome.
authors.affiliation: Laboratoire de Biochimie Microbienne (CNRS URA 1130, alliée à l'INSERM), Département de Biologie Moléculaire et Structurale, Centre d'Etudes Nucléaires de Grenoble, France.
authors.forename: J C
authors.initials: JC
authors.lastname: Willison
mesh_terms: D000641:Ammonia / Q000378:metabolism; D002874:Chromosome Mapping; D004269:DNA, Bacterial / Q000235:genetics; D004926:Escherichia coli / Q000235:genetics*; D005798:Genes, Bacterial; D005816:Genetic Complementation Test; D016254:Mutagenesis, Insertional; D015183:Restriction Mapping
chemical_list: D004269:DNA, Bacterial; D000641:Ammonia