Supplementary material for Overbeek et al. (1999) Proc. Natl. Acad. Sci. USA 96(6), 2896-2901.

Key to the two-letter abbreviations used in the paper for organism names.

        AA -- Aquifex aeolicus
        AG -- Archaeoglobus fulgidus
        BS -- Bacillus subtilis
        BB -- Borrelia burgdorferi
        CE -- Caenorhabditis elegans
        CJ -- Campylobacter jejuni
        CT -- Chlamydia trachomatis
        CA -- Clostridium acetobutylicum
        DR -- Deinococcus radiodurans
        EF -- Enterococcus faecalis
        EC -- Escherichia coli
        HI -- Haemophilus influenzae
        HP -- Helicobacter pylori
        TH -- Methanobacterium thermoautotrophicum
        MJ -- Methanococcus jannaschii
        ML -- Mycobacterium leprae
        MT -- Mycobacterium tuberculosis
        MG -- Mycoplasma genitalium
        MP -- Mycoplasma pneumoniae
        NG -- Neisseria gonorrhoea
        NM -- Neisseria meningitidis
        PG -- Porphyromonas gingivalis
        PA -- Pseudomonas aeruginosa 
        PF -- Pyrococcus furiosus
        PH -- Pyrococcus horikoshii
        RC -- Rhodobacter capsulatus SB1003
        RQ -- Rhodobacter capsulatus Saint Luis
        SC -- Saccharomyces cerevisiae
        PN -- Streptococcus pneumoniae
        ST -- Streptococcus pyogenes
        SS -- Sulfolobus solfataricus
        CY -- Synechocystis sp.
        TP -- Treponema pallidum
        YP -- Yersinia pestis