Gas-phase interference-free analysis of protein ion charge-state distributions: detection of small-scale conformational transitions accompanying pepsin inactivation.
Frimpong AK, Abzalimov RR, Eyles SJ, Kaltashov IA. Gas-phase interference-free analysis of protein ion charge-state distributions: detection of small-scale conformational transitions accompanying pepsin inactivation. Anal Chem. 2007 Jun 01; 79(11):4154-61.