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Heme (American English), or haem (Commonwealth English, both pronounced /hi:m/ HEEM), is a ring-shaped iron-containing molecule that serves as a ligand of various proteins, especially as a component of hemoglobin, which carries oxygen in the bloodstream. It is composed of four pyrrole rings with two vinyl and two propionic acid side chains. Heme is…
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oxygen hemoglobin iron molecule hemoproteins peroxidase synthesis hemes synthase acid cytochrome liver protein enzyme process groups used also important two
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Heme | is a | coordination complex | 0.90 | text |
| myoglobin | instance of | but are also found in a number of other biologically important hemoproteins | 0.80 | text |
| cytochromes | instance of | but are also found in a number of other biologically important hemoproteins | 0.80 | text |
| catalases | instance of | but are also found in a number of other biologically important hemoproteins | 0.80 | text |
| heme peroxidase | instance of | but are also found in a number of other biologically important hemoproteins | 0.80 | text |
| and endothelial nitric oxide synthase.The word haem is derived | instance of | but are also found in a number of other biologically important hemoproteins | 0.80 | text |
| from Ancient Greek | instance of | but are also found in a number of other biologically important hemoproteins | 0.80 | text |
| αἷμα | instance of | but are also found in a number of other biologically important hemoproteins | 0.80 | text |
| cofactor F430 | instance of | it also produces more complex substances | 0.80 | text |
| cobalamin | instance of | it also produces more complex substances | 0.80 | text |
| Hemopexin | instance of | proteins | 0.80 | text |
| meatless | instance of | adding the resulting heme to items | 0.80 | text |
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