Skip to main content
. 2024 Mar 27;16(1):2334783. doi: 10.1080/19420862.2024.2334783

Table 2.

Major species detected by SEC-UV-native MS in mAb2 stability samples at T0 and after 3-month incubation at 25°C (“3M25C”).

Sample Name Retention time (min) and Peak Naming Detected mass (Da) Assigned identity Theoretical mass (Da) %UV peak area
T0 6.6 (HMW) 289.4 k mAb2 dimer 288,882 0.8
7.5 (main peak) 144,441 mAb2 144,441 97.4
8.0 (LMW1) 97,118 Fab/c* 97,123 1.8
3M25C 6.5 (HMW) 289.4 k mAb2 dimer 288,882 2.8
7.4 (main peak) 144,442 mAb2 144,441 94.5
8.0 (LMW1) 97,124 Fab/c* 97,123 2.1
9.3 (LMW2) 47,335 Fab* 47,336 0.6

*Fab/c and Fab fragments were identified with cleavage site KSCDKTH/TCPPC.