From: Estimation and efficient computation of the true probability of recurrence of short linear protein sequence motifs in unrelated proteins
p μ
p v
Approximate probability of all possible motifs
Sig (Eq. 3 & 6)
Sig v (Eq. 5 & 6)
Exact probability of all possible motifs
Sig' (Eq. 3 & 8)
Sig' v (Eq, 5 & 8)