Table 1. Collision Energy (NCE), Sequence Coverage, and Percentage of Explained Fragments for the HCD and ECD Fragmentation of Ubiquitin and Myoglobin.

analyte	NCE	% sequence coverage	% fragments explained
ubiquitin	15	53	25
	18	67	23
	20	69	20
	22	75	14
	25	81	11
	ECD	80	69
myoglobin	15	45	23
	18	48	13
	20	43	10
	22	28	5
	25	18	3
	ECD	60	74