TABLE 2.
[13Cx] amino acid | Rise to maximum (h) | Decay to baseline (h) | Possible carbon positions involved |
---|---|---|---|
[13C1]Ala, not 1-C | 1–6 | >24 | 2 or 3 |
[13C2]Ala | <1 | >24 | 2, 3 mainly |
[13C1]Glu, 1-C | 1–6 | 12 | 1 |
[13C1]Glu, not 1-C | 1 | 12 | 2, 3, 4, 5 |
[13C2]Glu, 1-C | 1–6 | 12 | 1, 2, 3, 4, 5 |
[13C2]Glu, not 1-C | 1 | 12 | 2, 3, 4, 5 |
[13C3-4]Glu, 1-C | 1 | 12 | 1, 2, 3, 4, 5 |
[13C1]Gln, 1-C | 6 | >12 | 1 |
[13C1]Gln, not 1-C | 6 | >12 | 2, 3, 4, 5 |
[13C2]Gln, 1-C | 1–6 | >12 | 1, 2, 3, 4, 5 |
[13C2]Gln, not 1-C | 1–6 | >12 | 2, 3, 4, 5 |
[13C3]Gln, 1-C | 6 | >12 | 1, 2, 3, 4, 5 |
[13C1]Pro, 1-C | 1–6 | >12 | 1 |
[13C1]Pro, not 1-C | 1–6 | >12 | 2, 3, 4, 5 |
[13C2]Pro, 1-C | 1 | >12 | 1, 2, 3, 4, 5 |
[13C2]Pro, not 1-C | 1 | >12 | 2, 3, 4, 5 |
[13C3–4]Pro, 1-C | 1–6 | >12 | 1, 2, 3, 4, 5 |
[13C3–4]Pro, not 1-C | 1–6 | >12 | 2, 3, 4, 5 |