Crystal structure of the protein At3g01520, a eukaryotic universal stress protein-like protein from arabidopsis thaliana in complex with AMP.Kim, D.O.J., Bitto, E., Bingman, C.A., Kim, H.J., Han, B.W., Phillips, G.N.
(2015) Proteins 83: 1368-1373
- PubMed: 25921306
- DOI: 10.1002/prot.24821
- PubMed Abstract:
Members of the universal stress protein (USP) family are conserved in a phylogenetically diverse range of prokaryotes, fungi, protists, and plants and confer abilities to respond to a wide range of environmental stresses. Arabidopsis thaliana contain ...
Members of the universal stress protein (USP) family are conserved in a phylogenetically diverse range of prokaryotes, fungi, protists, and plants and confer abilities to respond to a wide range of environmental stresses. Arabidopsis thaliana contains 44 USP domain-containing proteins, and USP domain is found either in a small protein with unknown physiological function or in an N-terminal portion of a multi-domain protein, usually a protein kinase. Here, we report the first crystal structure of a eukaryotic USP-like protein encoded from the gene At3g01520. The crystal structure of the protein At3g01520 was determined by the single-wavelength anomalous dispersion method and refined to an R factor of 21.8% (Rfree = 26.1%) at 2.5 Å resolution. The crystal structure includes three At3g01520 protein dimers with one AMP molecule bound to each protomer, comprising a Rossmann-like α/β overall fold. The bound AMP and conservation of residues in the ATP-binding loop suggest that the protein At3g01520 also belongs to the ATP-binding USP subfamily members.
Department of Biochemistry, Center for Eukaryotic Structural Genomics, University of Wisconsin-Madison, Madison, Wisconsin, 53706.,Laboratory of Stem Cell and Molecular Pharmacology, College of Pharmacy, Chung-Ang University, Seoul, 156-756, Korea.,Department of Chemistry and Biochemistry, Georgian Court University, Lakewood, New Jersey, 08701.,BioSciences at Rice and Department of Chemistry, Rice University, Houston, Texas, 77251.,Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 151-742, Korea.