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Modeling: Nitrogen Cost
Vitamin A
| Vitamin A Protein | AAs | Nitrogens |
| BTS1 | 335 | 461 |
| crtE | 376 | 491 |
| crtYB | 673 | 857 |
| crtI | 582 | 783 |
Vitamin C
| Vitamin A Protein | AAs | Nitrogens |
| Phophomannose Isomerase (in S. cerevisiae) | 429 | 576 |
| Phosphomannomutase (in S. cerevisiae) | 254 | 340 |
| GDP-D-mannose pyrophosphorylase (in S. cerevisiae) | 361 | 460 |
| GDP-L-galactose phosphorylase (in A. thaliana) | 442 | 586 |
| GDP-D-mannose- 3",5"-epimerase (in A. thaliana) | 377 | 518 |
| D-arabinose dehydrogenase (in S. cerevisiae) | 335 | 455 |
| D-arabinono-1,4-lactone oxidase (in S. cerevisiae) | 526 | 700 |
| L-Galactose-1-P phosphatase (in A. thaliana, gene VTC4) | 271 | 344 |
