Table 1.
Mass accuracy of intact CD16a measurements using FT-ICR MS.
Species | Observed [M+H]+ (Da) | Observed neutral mass (Da) | Calculated mass (Da) | mass error (ppm) |
---|---|---|---|---|
CD16a w/5xMan5 | 26127.0390 | 26126.0317 | 26126.0271 | 0.176 |
CD16a w/4xMan5 | 24910.6084 | 24909.6011 | 24909.6043 | 0.128 |
CD16a w/5xGlcNAc | 21060.3039 | 21059.2967 | 21059.3097 | 0.618 |
CD16a w/4xGlcNAc | 20857.2508 | 20856.2435 | 20856.2303 | 0.632 |
GFP form1 | 28032.9850 | 28031.9772 | 28032.0056 | 1.013 |
GFP form2 | 28736.3098 | 28735.3020 | 28735.3233 | 0.741 |