Statistical characteristics of random sequences. The top two panels show the mean and variance of log-odds scores versus variable ORF length in random sequences (E. coli model). Lowest subplot shows a logarithmic plot of the length distribution of random ORFs. The linear regression lines are shown in all three plots.
Larsen and Krogh BMC Bioinformatics 2003 4:21 doi:10.1186/1471-2105-4-21