Protein metalation in biology.

Protein metalation in biology.
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DOI:
10.1016/j.cbpa.2021.102095
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发表时间:
2022-03
影响因子:
7.8
通讯作者:
Robinson NJ
Robinson NJ
中科院分区:
生物学2区
文献类型:
--
作者:
Foster AW;Young TR;Chivers PT;Robinson NJ

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无机金属补充了有机分子,特别是蛋白质的化学成分。这需要正确的金属与蛋白质在金属化。蛋白质金属错配通常发生在过量的未结合金属竞争离体结合位点时。然而,在生物学中,过量的金属结合位点通常会竞争有限数量的可交换金属。在这里,我们总结了维持生物学中最佳金属可用性的金属稳态机制。我们描述了最近的进展,以了解金属化通过比较金属结合到蛋白质的强度与结合到细胞内竞争位点的强度。
Inorganic metals supplement the chemical repertoire of organic molecules, especially proteins. This requires the correct metals to associate with proteins at metalation. Protein mismetalation typically occurs when excesses of unbound metals compete for a binding site ex vivo. However, in biology, excesses of metal-binding sites typically compete for limiting amounts of exchangeable metals. Here, we summarise mechanisms of metal homeostasis that sustain optimal metal availabilities in biology. We describe recent progress to understand metalation by comparing the strength of metal binding to a protein versus the strength of binding to competing sites inside cells.
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