Table 1 Relative molecular mass (Mr) of the heterodimer (α+β) and related subunits of different hFSH preparations, determined by Maldi-Tof mass spectrometry
Heterodimer | |||||
|---|---|---|---|---|---|
Preparation | α-subunit | β-subunit | Experimental | Calculated α+β | Calc/Exp |
p-hFSH | 14467 | 16509 | 29176 | 30976 | 1.06 |
r-hFSH | 14082 | 16067 | 28536 | 30149 | 1.06 |
u-hFSH | 15139 | 17196 | 32527 | 32335 | 0.99 |