Table 1: Data sets used in the study.

Data setSourceGene numberMean length ± SD

OrthoMaM (AA)Ranwez et al. (2007) [12]50
OrthoMaM (DNA)Ranwez et al. (2007) [12]50
FUNYBASE (AA)Marthey et al. (2008) [13]46
TBR (AA)Taylor and Berbee (2006) [15]50
Simulations (AA)Seq-Gen50
Simulations (DNA)Seq-Gen50