|
|
underivatized |
permethylated |
peracetylated |
|
|
monoisotopic |
average |
monoisotopic |
average |
monoisotopic |
average |
| Hexose (Hex) |
e.g. galactose, mannose, glucose |
162.0528 |
162.1424 |
204.0998 |
204.2230 |
288.0845 |
288.2542 |
| HexNAc |
e.g. N-acetylglucosamine, N-acetylgalactosamine |
203.0794 |
203.1950 |
245.1263 |
245.2756 |
287.1005 |
287.2695 |
| Deoxyhexose |
e.g. fucose, rhamnose |
146.0579 |
146.1430 |
174.0892 |
174.1968 |
230.0790 |
230.2176 |
| Pentose |
e.g. xylose |
132.0423 |
132.1161 |
160.0736 |
160.1699 |
216.0634 |
216.1907 |
| NeuAc |
= N-acetyl neuraminic acid (sialic acid) |
291.0954 |
291.2579 |
361.1737 |
361.3923 |
417.1271 |
417.3698 |
| NeuGc |
= N-glycolyl neuraminic acid |
307.0903 |
307.2573 |
391.1842 |
391.4186 |
475.1326 |
475.4064 |
| KDN |
= Ketodeoxynonulosonic acid |
250.0689 |
250.2053 |
320.1472 |
320.3397 |
376.1006 |
376.3171 |
| HexA |
e.g. hexuronic acid |
176.03209 |
176.1259 |
218.0790 |
218.2066 |
260.0532 |
260.2005 |
| Acetate |
|
42.0106 |
42.0373 |
- |
- |
- |
- |
|
H+
|
|
1.00727 |
1.00739 |
- |
- |
- |
- |
| H |
|
1.00783 |
1.00794 |
- |
- |
- |
- |
|
H2O
|
|
18.01056 |
18.01524 |
- |
- |
- |
- |
|
K+
|
|
38.963707 |
39.0983 |
- |
- |
- |
- |
|
Na+
|
|
22.989768 |
22.998977 |
- |
- |
- |
- |
| Phosphate |
|
79.9663 |
79.9799 |
93.9820 |
94.0068 |
37.9558 |
37.9426 |
| Sulphate |
|
79.9568 |
80.0642 |
65.9412 |
66.0373 |
37.9463 |
38.0269 |
| Trifluoroacetic acid |
|
112.9850391 |
113.0160096 |
- |
- |
- |
- |
