BibTex format
@article{Xiao,
author = {Xiao, Y and Wigneshweraraj, SR and Weinzierl, R and Wang, YP and Buck, M},
journal = {Nucleic Acids Res.},
pages = {4482--4497},
title = {Construction and functional analyses of a comprehensive sigma54 site-directed mutant library using alanine-cysteine mutagenesis.},
volume = {37},
}