Crystal structure of the protein At3g01520, a eukaryotic universal stress protein-like protein from arabidopsis thaliana in complex with AMP
- Authors
- Kim, Do Jin; Bitto, Eduard; Bingman, Craig A.; Kim, Hyun-Jung; Han, Byung Woo; Phillips, George N., Jr.
- Issue Date
- Jul-2015
- Publisher
- WILEY-BLACKWELL
- Keywords
- universal stress protein; Arabidopsis thaliana; At3g01520
- Citation
- PROTEINS-STRUCTURE FUNCTION AND BIOINFORMATICS, v.83, no.7, pp 1368 - 1373
- Pages
- 6
- Journal Title
- PROTEINS-STRUCTURE FUNCTION AND BIOINFORMATICS
- Volume
- 83
- Number
- 7
- Start Page
- 1368
- End Page
- 1373
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/9380
- DOI
- 10.1002/prot.24821
- ISSN
- 0887-3585
1097-0134
- 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 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% (R-free=26.1%) at 2.5 angstrom resolution. The crystal structure includes three At3g01520 protein dimers with one AMP molecule bound to each protomer, comprising a Rossmann-like / 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. Proteins 2015; 83:1368-1373. (c) 2015 The Authors. Proteins: Structure, Function, and Bioinformatics Published by Wiley Periodicals, Inc.
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