Table 3.
Single conjugation of maleimide-PEG2-biotin (+525 Da) during overnight incubation
Shown is a selection of samples for conjugation efficiency measured by the weight increase using mass spectrometry. (For the complete sample set, see Table S5.)
Sample description | Reference molecular mass unconjugated | Theoretical conjugate mass | Conjugate intact mass | Conjugation |
---|---|---|---|---|
Da | Da | Da | % | |
WT rHSA | 66,439 | 66,964 | 66,966 | 93 |
C34A/K93C | 66,382 | 66,907 | 66,908 | 100 |
C34A/E294C | 66,381 | 66,906 | 66,909 | >95 |