Abstract
Protein domain family PF11267 (DUF3067) is a family of proteins of unknown function found in both bacteria and eukaryotes. Here we present the solution NMR structure of the 102-residue Alr2454 protein from Nostoc sp. PCC 7120, which constitutes the first structural representative from this conserved protein domain family. The structure of Nostoc sp. Alr2454 adopts a novel protein fold.
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Abbreviations
- DSS:
-
2,2-Dimethyl-2-silapentane-5-sulfonic acid
- DTT:
-
Dithiothreitol
- HSQC:
-
Heteronuclear single quantum coherence
- IPTG:
-
Isopropyl β-D-1-thiogalactopyranoside
- NOE:
-
Nuclear Overhauser effect
- NESG:
-
Northeast Structural Genomics Consortium
- PDB:
-
Protein Data Bank
- RMSD:
-
Root-mean-square-deviation
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Acknowledgments
The authors thank Roberto Tejero, Barry Honig, Bomina Yu, Colleen Ciccosanti, and G.V.T. Swapna for helpful discussions. This research was supported by National Institute of General Medical Sciences Protein Structure Initiative (PSI-Biology) program grants U54-GM074958 and U54-GM094597.
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Aramini, J.M., Petrey, D., Lee, D.Y. et al. Solution NMR structure of Alr2454 from Nostoc sp. PCC 7120, the first structural representative of Pfam domain family PF11267. J Struct Funct Genomics 13, 171–176 (2012). https://doi.org/10.1007/s10969-012-9135-5
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DOI: https://doi.org/10.1007/s10969-012-9135-5