Table 1. Myosin isoforms identified from three porcine muscles by LC-MS/MS

Myosin isoform	Accession numbera)	MW (Da)b)	pI	Size (aa)c)	Muscled)	Sequence coverage (%)	Score	Queries matched	Number of unique peptide	Number of common peptide
Myosin-1	gi|5360750	224,084	5.60	1939	LT	46	4239	220	15	205
					PM	44	3769	162	13	149
					SM	47	4249	209	12	197
					Mean	45.7	4085.7	197.0	13.3	183.7
Myosin-2	gi|5360746	224,061	5.64	1939	LT	39	3381	171	8	163
					PM	38	3129	131	7	124
					SM	37	3562	163	7	156
					Mean	38.0	3357.3	155.0	7.3	147.7
Myosin-4	gi|5360748	224,146	5.60	1937	LT	44	3852	203	10	193
					PM	43	3847	157	11	146
					SM	49	4740	237	12	225
					Mean	45.3	4146.3	199.0	11.0	188.0
Myosin-7	gi|12060489	224,095	5.59	1935	LT	21	1430	79	6	73
					PM	23	1837	72	14	58
					SM	25	1988	91	10	81
					Average	23.0	1751.7	80.7	10.0	70.7
					Total	38.0	3335.3	157.9	10.4	147.5