Subject
*Chromosome Mapping; *Chromosomes; *Escherichia coli Proteins; *Intramolecular Transferases; Bacterial; Bacterial Outer Membrane Proteins/genetics; Bacterial Proteins/*genetics; Deoxyribonucleases; Escherichia coli/*genetics; Heat-Shock Proteins; Membrane Transport Proteins; Molecular Sequence Data; Restriction Mapping; Type II Site-Specific/metabolism