军事科学院军事医学研究院生命组学研究所,医学蛋白质组全国重点实验室,北京蛋白质组研究中心, 国家蛋白质科学中心(北京),北京 102206
国家自然科学基金(32271500),国家重点研发计划(2020YFE0202200)和医学蛋白质组全国重点实验室自主研究课题(SKLP-K202202)资助项目。
Beijing Institute of Lifeomics, State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing 102206, China
This work was supported by grants from The National Natural Science Foundation of China (32271500), Key Research and Development Program of China (2020YFE0202200) and Independent Research Project of State Key Laboratory of Medical Proteomics (SKLP-K202202).
组氨酸磷酸化(pHis)在原核和真核生物的生命活动中发挥重要调控作用,并与包括恶性肿瘤在内的多种病理过程相关。pHis修饰中磷酰胺键在高温和低pH下容易断裂,其高度不稳定性导致对pHis修饰的鉴定和研究进展缓慢。近年来,磷酸化蛋白质组学新技术的发展以及pHis特异性抗体的出现,推动了pHis修饰蛋白底物的鉴定和功能研究。首次在哺乳动物细胞中鉴定到超过700个pHis修饰蛋白,并陆续发现黏着斑激酶(FAK)和磷酸甘油酸变位酶1(PGAM1)等蛋白质的pHis修饰能促进肿瘤发展。本文主要探讨组氨酸激酶和组氨酸磷酸酶在调控特定蛋白质pHis修饰中的关键机制及其功能,以期为pHis修饰蛋白的生物学功能研究奠定基础。
Protein phosphorylation modification is one of the key regulatory mechanisms in cellular signaling transduction and metabolic processes. The phosphorylation state of target proteins is regulated by specific protein kinases and phosphatases, which add or remove phosphate groups. Histidine phosphorylation (pHis) plays a crucial role in both prokaryotes and eukaryotes life activities and is linked to various pathological processes. Unlike the stable phosphorylation of proteins via phosphate ester bonds, histidine phosphorylation is linked through phosphoramide bonds, making it highly sensitive to high temperatures and low pH. This sensitivity has historically impeded progress in identifying and studying histidine phosphorylation. In recent years, the development of new techniques in phosphoproteomics and the emergence of pHis-specific antibodies have promoted the identification and functional research of pHis-modified substrates. For the first time, more than 700 pHis-modified proteins have been identified in mammalian cells, and pHis-modified substrates such as focal adhesion kinase (FAK) and phosphoglycerate mutase 1 (PGAM1) have been found to promote tumor development. This article mainly reviewed the key mechanisms and functions of histidine kinases and histidine phosphatases in regulating the histidine phosphorylation of specific substrates, and highlights their significant roles in human physiological and pathological processes, aiming to provide guidance for further research into the biological functions of histidine phosphorylation.
刘萧然,邢美宁,应万涛.综述与专论:蛋白质组氨酸磷酸化修饰的调节及功能作用[J].生物化学与生物物理进展,2024,51(10):2694-2704
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