This page gives clear improvements between CEG 1.0 and CEG 2.0.

Detailed information about cluster of essential genes
Comparison of basic information between CEG 2.0 and CEG 1.0

Version Number of prokaryotic gene datasets Number of eukaryotes Number of prokaryotic genes Number of prokaryotic clusters Number of eukaryotic genes Number of eukaryotic clusters Number of human genes Number of human clusters
CEG 1.0 16 0 6738 2861 0 0 0 0
CEG 2.0 29 9 11884 4421 12728 5936 26971 5098

The anti-bacterial drug information of CEG 2.0

Items Numbers of items Numbers of prokaryotic genes Numbers of prokaryotic clusters Numbers of prokaryotic gene datasets
Ligand-protein interactions(prokaryotes) 9784 552 453 15
Protein structure(prokaryotes) 3165 825 627 15
Virulence factor(prokaryotes) 909 909 395 29
Drug(prokaryotes) 855 2754 439 29

Citation:Ye YN, Hua ZG, Huang J, Rao N, Guo FB*. (2013) CEG: a database of essential gene clusters. BMC Genomics. 14:769. [Full Text]