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Nuclear receptor (NR) transcription factors bind various coreceptors, small-molecule ligands, DNA response element sequences, and transcriptional coregulator proteins to affect gene transcription. Small-molecule ligands and DNA are known to influence receptor structure, coregulator protein interaction, and function; however, little is known on the mechanism of synergy between ligand and DNA. Using...
Conformational sampling of pre- and post-therapy subtype B HIV-1 protease sequences derived from a pediatric subject infected via maternal transmission with HIV-1 were characterized by double electron–electron resonance spectroscopy. The conformational ensemble of the PRE construct resembles native-like inhibitor bound states. In contrast, the POST construct, which contains accumulated drug-pressure...
Proteins with JAB1/MPN/MOV34 metalloenzyme (JAMM/MPN+) domains are widespread among all domains of life, yet poorly understood. Here we report the purification and characterization of an archaeal JAMM/MPN+ domain protein (HvJAMM1) from Haloferax volcanii that cleaves ubiquitin‐like small archaeal modifier proteins (SAMP1/2) from protein conjugates. HvJAMM1 cleaved SAMP1/2 conjugates generated in H. volcanii...
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