Discovery of novel pathways for carbohydrate metabolism.

Discovery of novel pathways for carbohydrate metabolism.
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DOI:
10.1016/j.cbpa.2020.09.005
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发表时间:
2021-04
影响因子:
7.8
通讯作者:
Gerlt JA
Gerlt JA
中科院分区:
生物学2区
文献类型:
--
作者:
Stack TMM;Gerlt JA

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缩小完整基因组序列的可用性与新代谢途径中新酶的发现之间的差距是一项重大挑战。在这里,我们回顾了最近将体外酶活性和体内代谢功能分配给未表征的蛋白质的例子,重点关注参与单糖和多糖分解代谢和生物合成的酶和代谢途径。最有效的方法是基于对蛋白质家族中的序列功能空间的分析,这为预测未表征的酶的功能提供了线索。正如本意见所总结的,这种方法可以发现新分子的分解代谢、常见分子的新途径以及新的酶化学。
Closing the gap between the increasing availability of complete genome sequences and the discovery of novel enzymes in novel metabolic pathways is a significant challenge. Here we review recent examples of assignment of in vitro enzymatic activities and in vivo metabolic functions to uncharacterized proteins, with a focus on enzymes and metabolic pathways involved in the catabolism and biosynthesis of mono- and polysaccharides. The most effective approaches are based on analyses of sequence-function space in protein families that provide clues for the predictions of the functions of the uncharacterized enzymes. As summarized in this Opinion, this approach allows the discovery of the catabolism of new molecules, new pathways for common molecules, and new enzymatic chemistries.
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