TABLE 2.

ORFs that may be potential virulence factors

ORF	Location (bp)	Homologous protein (target)	% Homologya	Accession no.	Refer-ence(s)
ORF4	76298–76603	C-type natriuretic peptide from Squalus acanthias	43/30	P41319	83
ORF17	92476–92919	Delta insecticidal protein from Bacillus thuringiensis	40/18	P05628	35
ORF18	Complement, 92949–93512	RTXb toxin of Actinobacillus pleuropneumoniae	21/11	D16582	32, 65
ORF21	94015–94448	Laminin of Homo sapiens	23/5	Q16787	79, 95
		Paramysin-related protein of Onchocerca gibsoni	21/18	U20609	25, 99
ORF72	23873–24244	Major myristoylated alanine-rich protein kinase C substrate	24/32	P29966	41
ORF74a	25221–25883	Bacteriophage lambda V protein	40/41	P03733	81
		Citrobacter freundii intimin	30/10	Q07591	82

^aPercentage of identical amino acids compared with the percentage of the total target protein sequence. 

^bRTX represents repeats in the structural toxin.