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Comparison of known essential human nutrients with corresponding biosynthetic pathways in MetaCyc and in HumanCyc |
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| Essential nutrient in humans |
Biosynthetic pathway in MetaCyc? |
Biosynthetic pathway inferred in humans? |
|
|
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| Amino acids |
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| Arginine |
Y |
N |
| Histidine |
Y |
N |
| Isoleucine |
Y |
N |
| Leucine |
Y |
N |
| Lysine |
Y |
N |
| Methionine |
Y |
N |
| Phenylalanine |
Y |
N |
| Threonine |
Y |
N |
| Valine |
Y |
N |
| Vitamins |
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| Ascorbic acid (Vitamin C) |
Y |
N |
| Biotin (Vitamin H) |
Y |
N |
| Folic acid (Vitamin M) |
Y |
N |
| Niacin (Vitamin B3) |
N |
N |
| Pantothenic acid |
Y |
Y |
| Pyridoxine (Vitamin B6) |
N |
N |
| Riboflavin (Vitamin B2) |
Y |
N |
| Thiamine (Vitamin B1) |
Y |
N |
| Cobalamin (Vitamin B12) |
Y |
N |
| Retinol (Vitamin A) |
N |
N |
| Vitamin D |
N |
N |
| Tocopherol (Vitamin E) |
N |
N |
| Vitamin K |
N |
N |
|
Note that a pathway cannot be predicted in HumanCyc if it does not exist in MetaCyc. | ||
Romero et al. Genome Biology 2004 6:R2 doi:10.1186/gb-2004-6-1-r2 |
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