Table I Comparison of the Velos to previous instrument versions

2 h gradient analysis of a HeLa SILAC cytoplasmic extract. All identifications can be found in supplemental Table I.

InstrumentMSMS/MSPeptide IDsProtein IDsProtein IDs (> = 2 peptides)
7T-LTQ-FT ultra47611709180361177854
LTQ-Orbitrap classic48721756883871261910
LTQ-Orbitrap XL43291760984941301954
LTQ-Orbitrap Velos IT-CID5416331381130615811171
LTQ-Orbitrap Velos HCD44342246096861355988