Table 2.

Distributions of protein-coding genes in singleton and multigene families.

Species	A. fumigatus	C. neoformans	N. crassa	S. cerevisiae	S. pombe
Number of total genes	9,887	6,968	9,733	5,863	5,010
Number of total families	8,077	6,106	8,742	4,733	4,256
Number and % of multigene families
n ≥ 5	100 (1.24%)	46 (0.75%)	54 (0.62%)	47 (0.99%)	33 (0.78%)
n = 4	59 (0.73%)	28 (0.46%)	25 (0.29%)	27 (0.57%)	31 (0.73%)
n = 3	145 (1.80%)	65 (1.06%)	84 (0.96%)	70 (1.48%)	53 (1.25%)
n = 2	451 (5.58%)	261 (4.27%)	341 (3.90%)	455 (9.61%)	285 (6.70%)
Number and % of singletons
n = 1	7,322 (90.65%)	5,706 (93.45%)	8,238 (94.23%)	4,134 (87.34%)	3,854 (90.55%)