Systems-wide Studies Uncover Commander, a Multiprotein Complex Essential to Human Development.

Systems-wide Studies Uncover Commander, a Multiprotein Complex Essential to Human Development.
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DOI:
10.1016/j.cels.2017.04.006
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发表时间:
2017-05-24
期刊:
影响因子:
9.3
通讯作者:
Marcotte EM
Marcotte EM
中科院分区:
生物学1区
文献类型:
--
作者:
Mallam AL;Marcotte EM

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最近人类相互作用组的质谱图独立支持了一个被称为“指挥官”的大型多蛋白复合物的存在。 Commander 在动物中广泛保守,并且在迄今为止检查的几乎所有人类细胞类型中普遍表达,它可能发挥着基本的细胞功能,类似于参与表达、蛋白质稳态和运输的其他普遍存在的机器。对单个亚基的实验支持在内体蛋白质分选中的作用,包括Notch蛋白、铜转运蛋白和脂蛋白受体的运输。 Commander 对于脊椎动物胚胎发生至关重要,复合体及其相互作用伙伴的缺陷会破坏颅面、大脑和心脏的发育。在这里,我们回顾了大规模蛋白质组学工作和 Commander 发现过程中的重点研究之间的协同作用,描述了它的组成、结构和功能,并讨论了它如何说明系统生物学的力量。基于 3D 建模和生化数据,我们在 Commander 和逆转录酶货物识别复合体之间得出了很强的相似之处,为未来研究 Commander 在人类发育障碍中的作用奠定了基础。
Recent mass spectrometry maps of the human interactome independently support the existence of a large multiprotein complex, dubbed ‘Commander’. Broadly conserved across animals and ubiquitously expressed in nearly every human cell type examined thus far, Commander likely plays a fundamental cellular function, akin to other ubiquitous machines involved in expression, proteostasis, and trafficking. Experiments on individual subunits support roles in endosomal protein sorting, including the trafficking of Notch proteins, copper transporters, and lipoprotein receptors. Commander is critical for vertebrate embryogenesis, and defects in the complex and its interaction partners disrupt craniofacial, brain, and heart development. Here, we review the synergy between large-scale proteomic efforts and focused studies in the discovery of Commander, describe its composition, structure, and function, and discuss how it illustrates the power of systems biology. Based on 3D modeling and biochemical data, we draw strong parallels between Commander and the retromer cargo-recognition complex, laying a foundation for future research into Commander’s role in human developmental disorders.
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