Accession No. Kingdom No. of Genes with Reliable TIS GC (%) Genome Size (M) Species NC_000854 Archaea 131 56.3 1.6 Aeropyrum pernix K1 NC_007426 Archaea 321 63.4 2.5 Natronomonas pharaonis DSM 2160 NC_010364 Archaea 552 68 2 Halobacterium salinarum R1 NC_000911 Bacteria 125 47.7 3.5 Synechocystis sp. PCC 6803 NC_000913 Bacteria 880 50.7 4.6 Escherichia coli str. K-12 substr. MG1655 NC_000964 Bacteria 176 43.5 4.2 Bacillus subtilis subsp. subtilis str. 168