title: Ramachandran redux.
authors.affiliation: School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China.
authors.forename: Zhengshuang
authors.initials: Z
authors.lastname: Shi
authors.forename: Neville R
authors.initials: NR
authors.lastname: Kallenbach
mesh_terms: D000577:Amides / Q000737:chemistry* / Q000378:metabolism; D006860:Hydrogen Bonding; D008958:Models, Molecular; D011487:Protein Conformation; D017510:Protein Folding
chemical_list: D000577:Amides