| 21. | Its activation in vivo requires the attachment of a lipoic acid prosthetic group at Lys59 of the mature protein.
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| 22. | A coenzyme that is tightly or even covalently bound is termed a "'prosthetic group " '.
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| 23. | Other oxygen transporting proteins have a very low dissociation constant with their metal prosthetic group and bind these groups tightly.
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| 24. | Organic prosthetic groups can be covalently bound ( e . g ., biotin in enzymes such as pyruvate carboxylase ).
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| 25. | Of particular functional importance are the flavin prosthetic group ( FMN ) and eight iron-sulfur clusters ( FeS ).
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| 26. | Aequorin is a holoprotein composed of two distinct units, the kDa, and the prosthetic group coelenterazine, the luciferin.
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| 27. | A heme is a prosthetic group that consists of an iron atom contained in the center of a heterocyclic porphyrin ring.
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| 28. | The human thromboxane A ( TXA ) synthase is a 60 kDa protein with 533 amino acids and a heme prosthetic group.
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| 29. | The electrons are then transferred through a series of iron sulfur clusters : the second kind of prosthetic group present in the complex.
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| 30. | Flavoproteins have either an FMN or FAD molecule as a prosthetic group, this prosthetic group can be tightly bound or covalently linked.
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