Khan, Hanif M Cation-π Interactions between Methylated Ammonium Groups and Tryptophan in the CHARMM36 Additive Force Field. [electronic resource] - Journal of chemical theory and computation Jan 2019 - 7-12 p. digital Publication Type: Journal Article ISSN: 1549-9626 Standard No.: 10.1021/acs.jctc.8b00839 doi Subjects--Topical Terms: Ammonium Compounds--chemistryCationsCholine--chemistryDimerizationLysine--chemistryMethylationProteins--chemistryQuantum TheorySolvents--chemistryThermodynamicsTryptophan--chemistry