About Pec
		The Profiling of Escherichia coli chromosome (PEC) database has been constructed to compile any relevant information that could help to characterize the E. coli genome, especially with respect to discovering the function of each gene.

Essential Genes

Genes Statistical Table

Classification	Whole	Minimal
essential	250	250
nonessential	3,260	1,960
unknown	900	900
Total	4,410	3,110

Minimal Genome Project

Minimal Genome    >>Static Image

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What's New !

July, 2006

• The latest genomic sequence was added to the target database of BLAST.

December, 2005

• dif gene information was updated.

October, 2005

• dif gene information was updated.
• Homology information was updated in Genomics page and Gene detail page.