Table 1. Acquisition times and cross-link densities at different FDR rate.

Target protein	MS acquisition time	Links per residue at 5% FDR (number of residue pairs)	Links per residue at 10% FDR (number of residue pairs)	Links per residue at 20% FDR (number of residue pairs)
HSA (585 AA)	12 days	0.85 (500)	1.51 (881)	2.56 (1495)
Tx781 (420 AA)	4.7 days	0.73 (305)	1.06 (444)	1.35 (565)
Tx808 (418 AA)	4.4 days	0.63 (265)	0.68 (286)	0.82 (342)
Tx767 (318 AA)	4.0 days	1.20 (381)	n.d.	2.26 (718)
Tx812 (204 AA)	3.8 days	0.99 (201)	1.30 (265)	1.77 (360)