Roles of Fe-S proteins: from cofactor synthesis to iron homeostasis to protein synthesis.
Roles of Fe-S proteins: from cofactor synthesis to iron homeostasis to protein synthesis.
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DOI:
10.1016/j.gde.2016.03.006
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发表时间:
2016-06
影响因子:
4
通讯作者:
Dancis, Andrew
中科院分区:
文献类型:
--
作者:
Pain, Debkumar;Dancis, Andrew
Fe-S cluster assembly is an essential process for all cells. Impairment of Fe-S cluster assembly creates diseases in diverse and surprising ways. In one scenario, the loss of function of lipoic acid synthase, an enzyme with Fe-S cluster cofactor in mitochondria, impairs activity of various lipoamide-dependent enzymes with drastic consequences for metabolism. In a second scenario, the heme biosynthetic pathway in red cell precursors is specifically targeted, and iron homeostasis is perturbed, but lipoic acid is unaffected. In a third scenario, tRNA modifications arising from action of the cysteine desulfurase and/or Fe-S cluster proteins are lost, which may lead to impaired protein synthesis. This can then result in cancer, neurologic dysfunction or type 2 diabetes.
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