Major Oligosaccharide Structures of Glycosylation Sites Deduced From LC/MS Data of Glycopeptides
| Site . | Peptide Mass . | Observed Mass . | Observed CHO Mass . | Theoretical CHO Mass . | Composition . |
|---|---|---|---|---|---|
| rhAT | |||||
| Asn 96 | 1,915.3 | 3,976.5 | 2,061.2 | 2,060.9 | HexNAc4,Hex5, Fuc1,NANA1 |
| Asn 155 | 2,178.4 | 3,558.0 | 1,379.6 | 1,379.2 | HexNAc2,Hex6 |
| Asn 192 | 632.7 | 2,694.0 | 2,061.3 | 2,060.9 | HexNAc4,Hex5, Fuc1,NANA1 |
| phAT | |||||
| Asn 96 | 1,915.3 | 4,122.0 | 2,206.7 | 2,206.0 | HexNAc4,Hex5, NANA2 |
| Asn 155 | 2,178.4 | 4,385.4 | 2,207.0 | 2,206.0 | HexNAc4,Hex5, NANA2 |
| Asn 192 | 632.7 | 2,838.9 | 2,206.2 | 2,206.0 | HexNAc4,Hex5, NANA2 |
| Site . | Peptide Mass . | Observed Mass . | Observed CHO Mass . | Theoretical CHO Mass . | Composition . |
|---|---|---|---|---|---|
| rhAT | |||||
| Asn 96 | 1,915.3 | 3,976.5 | 2,061.2 | 2,060.9 | HexNAc4,Hex5, Fuc1,NANA1 |
| Asn 155 | 2,178.4 | 3,558.0 | 1,379.6 | 1,379.2 | HexNAc2,Hex6 |
| Asn 192 | 632.7 | 2,694.0 | 2,061.3 | 2,060.9 | HexNAc4,Hex5, Fuc1,NANA1 |
| phAT | |||||
| Asn 96 | 1,915.3 | 4,122.0 | 2,206.7 | 2,206.0 | HexNAc4,Hex5, NANA2 |
| Asn 155 | 2,178.4 | 4,385.4 | 2,207.0 | 2,206.0 | HexNAc4,Hex5, NANA2 |
| Asn 192 | 632.7 | 2,838.9 | 2,206.2 | 2,206.0 | HexNAc4,Hex5, NANA2 |