Accurate Estimation of pKb Values for Amino Groups from Surface Electrostatic Potential (VS, min) Calculations: The Isoelectric Points of Amino Acids as a Case Study. - Jacinto Sandoval-Lira; Gustavo Mondragón-Solórzano; Leonardo I. Lugo-Fuentes; Joaquín Barroso-Flores (J. Chem. Inf. Model., 2020)