| 1. | The iron atom from this haem group undergoes redox reactions:
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| 2. | Two histidine residues from each subunit coordinate the haem.
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| 3. | Givat HaEm was the site of combat during the Six-Day War.
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| 4. | Cytochromes are conjugate proteins that contain a " haem " group.
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| 5. | The immediate precursor to haem is protoporphyrin IX ( PPIX ), an effective photosensitiser.
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| 6. | The haem molecule is synthesised from glycine and succinyl coenzyme A ( succinyl CoA ).
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| 7. | Hemopexin prevents haem-mediated oxidative stress.
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| 8. | Most haem peroxidases follow the reaction scheme:
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| 9. | The oxygen dependent enzyme haem-oxidase has also been put forward as a hypoxia sensor.
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| 10. | For example, blood is red because the haem pigment needed to carry oxygen is red.
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