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Compilation of DNA sequences of Escherichia coli (update 1992).

We have compiled the DNA sequence data for E. coli available from the GENBANK and EMBL data libraries and over a period of several years independently from the literature. This is the fourth listing replacing and increasing the former listings substantially. However, in order to save space this printed version contains DNA sequence information only, if they are publically available in electronic form. The complete compilation including a full set of genetic map data and the E. coli protein index can be obtained in machine readable form from the EMBL data library (ECD release 10) or from the CD-ROM version of this supplement issue directly. After deletion of all detected overlaps a total of 1,820,237 individual bp is found to be determined till the beginning of 1992. This corresponds to a total of 38.56% of the entire E. coli chromosome consisting of about 4,720 kbp. This number may actually be higher by some extra 2.5% derived from lysogenic bacteriophage lambda and various DNA sequences already received for other strains of E. coli.