Structural and biophysical characterization of the nucleosome-binding PZP domain.

Structural and biophysical characterization of the nucleosome-binding PZP domain.
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DOI:
10.1016/j.xpro.2021.100479
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发表时间:
2021-06-18
期刊:
影响因子:
--
通讯作者:
Kutateladze TG
Kutateladze TG
中科院分区:
其他
文献类型:
--
作者:
Klein BJ;Cox KL;Jang SM;Singh RK;Côté J;Poirier MG;Kutateladze TG

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The core subunit of the MORF acetyltransferase complex BRPF1 contains a unique combination of zinc fingers, including a plant homeodomain (PHD) finger followed by a zinc knuckle and another PHD finger, which together form a PZP domain (BRPF1PZP). BRPF1PZP has been shown to bind to the nucleosome and make contacts with both histone H3 tail and DNA. Here, we describe biophysical and structural methods for characterization of the interactions between BRPF1PZP, H3 tail, DNA, and the intact nucleosome. For complete details on the use and execution of this protocol, please refer to. Optimized protocol to purify BRPF1PZP from bacteria cells Biophysical methods to characterize interactions between PZP, H3, DNA, and NCP Determination of the crystal structure of the histone H3-PZP complex Optimized protocol to measure HAT activity of the MORF complex The core subunit of the MORF acetyltransferase complex BRPF1 contains a unique combination of zinc fingers, including a plant homeodomain (PHD) finger followed by a zinc knuckle and another PHD finger, which together form a PZP domain (BRPF1PZP). BRPF1PZP has been shown to bind to the nucleosome, making contacts with both histone H3 tail and DNA. Here, we describe biophysical and structural methods for characterization of the interactions between BRPF1PZP, H3 tail, DNA, and the intact nucleosome.
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