Adaptation of the short intergenic spacers between co-directional genes to the Shine-Dalgarno motif among prokaryote genomes

Table 1 Co-directional genes with and without a SD sequence separated by short intergenic spacers in E. coli K12

Spacing lengths (bps)	Genes with a predicted SD sequence	Genes without a predicted SD sequence
1	22	17
2	28	22
3	31	16
4	14	13
5	4	8
6	3	10
7	14	11
8	10	6
9	48	8
10	48	6
11	39	9
12	30	10

Number of genes with a SD sequence and without a SD sequence in each spacing length from 1 to 12 bps in the E. coli genome.

ISSN: 1471-2164