TY - JOUR N1 - Copyright of this article belongs to ACS. ID - open796 UR - http://dx.doi.org/10.1039/a904711e IS - 17 A1 - Thakur, Ashwani K. A1 - Ganguly, Ashish A1 - Kishore, Raghuvansh Y1 - 1999/// N2 - The crystal molecular structure of a model peptide, Boc-Ile-Thr-NH2, unexpectedly revealed two unusual intramolecularly hydrogen bonded ring motifs, i.e. an intraresidue main-chain to main-chain interaction (Ni?H?OCi) and an interresidue ?newly discovered? side-chain to main-chain interaction (Ni?H?Oi?Thr), across a polar proteinogenic residue PB - ACS Publications JF - Chemical Communications SN - 13597345 TI - Novel hydrogen bonding ring motifs in a model peptide: crystal and molecular conformation SP - 1643 AV - restricted EP - 1644 ER -