Table 4.

Nucleotide content and gene count levels of the genome

Attribute	Genome (total)
	Value	% of total a
Size (bp)	2,449,987	100.00
G + C content (bp)	1,012,813	41.34
Coding region (bp)	2,028,429	82.79
Total genesb	2,418	100.00
RNA genes	52	2.15
Protein-coding genes	2352	97.27
Genes assigned to COGs	1,715	70.93
Genes with signal peptides	95	3.93
Genes with transmembrane helices	573	23.70

^aThe total is based on either the size of the genome in base pairs or the total number of protein coding genes in the annotated genome.

^bAlso includes 14 pseudogenes.