Table 4. Performance of bbTM matrices in detecting homologs of -barrel membrane protein sequences from the “true-positive” database.

e-value	bbTMall	bbTMin	bbTMout	Blosum62	Phat7573	Slim161	Pam250
10	49	62	56	5	48	46	8
10	116	106	121	32	121	119	41
10	122	121	129	42	133	130	79
10	128	127	143	83	141	143	102
10	138	131	147	95	148	145	107
10	146	139	168	109	176	170	119
10	153	144	206	120	200	202	136
10	191	166	245	126	272	260	202

Cumulative number of proteins identified as homologs of 20 template -barrel membrane proteins at different -values obtained from Blast searches against the “true-positive” database of 3,079 sequences of -barrel membrane proteins.