Download MendeleyERR gamma-DBD undergoes dimerization and conformational rearrangement upon binding to the downstream site of the DR1 element.
Zhen, X., Gan, Q., Qu, L., Dong, Y., Pan, C., Liu, J., Wang, N., Xu, T.(2023) Biochem Biophys Res Commun 656: 16-22
- PubMed: 36944284
- DOI: https://doi.org/10.1016/j.bbrc.2023.03.038
- Primary Citation of Related Structures:
8IFO - PubMed Abstract:
The estrogen-related receptor (ERR) family members are reported to bind DNA elements as either monomer or dimer. However, to date, only one solution NMR structure of ERRβ in complex with a half-site DNA element has been reported. To better understand the DNA regulation mechanism, we determined the crystal structure of ERRγ-DBD bound to a natural DR1 element in Pla2g12b promoter to 2.2 Å resolution. Combined with biochemical assays, we show that ERRγ acts as a dimer and the C-terminal extension region undergoes conformational rearrangement when binding to the downstream DR1 element. In addition, the T-box region on the dimerization interface exhibits unique main-chain conformation. Thus, our structure presents a novel dimer interface for NR binding on DR1 DNA and provides a molecular basis for understanding the homodimer organization of ERR on DR1 elements.
Organizational Affiliation:
Institutes of Physical Science and Information Technology, Anhui University, Hefei, Anhui, 230601, China; Guangdong Provincial Key Laboratory of Biocomputing, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China.
