%0 Journal Article %J Analytical Chemistry %D 2018 %T Expanding Proteoform Identifications in Top-Down Proteomic Analyses by Constructing Proteoform Families %A Schaffer, L. V. %A Shortreed, M. R. %A Cesnik, A. J. %A Frey, B. L. %A Solntsev, S. K. %A Scalf, M. %A Smith, L. M. %B Analytical Chemistry %V 90 %P 1325-1333 %8 Jan %@ 0003-2700 %G eng %R 10.1021/acs.analchem.7b04221 %0 Journal Article %J Journal of Proteome Research %D 2017 %T Elucidating Escherichia coil Proteoform Families Using Intact-Mass Proteomics and a Global PTM Discovery Database %A Dai, Y. X. %A Shortreed, M. R. %A Scalf, M. %A Frey, B. L. %A Cesnik, A. J. %A Solntsev, S. %A Schaffer, L. V. %A Smith, L. M. %B Journal of Proteome Research %V 16 %P 4156-4165 %8 Nov %@ 1535-3893 %G eng %R 10.1021/acs.jproteome.7b00516