Lazarova, Tzvetana Identification of Specific Effect of Chloride on the Spectral Properties and Structural Stability of Multiple Extracellular Glutamic Acid Mutants of Bacteriorhodopsin. [electronic resource] - PloS one - e0162952 p. digital Publication Type: Journal Article ISSN: 1932-6203 Standard No.: 10.1371/journal.pone.0162952 doi