@article{open798, volume = {40}, number = {27}, author = {A K Thakur and Raghuvansh Kishore}, note = {Copyright of this article belongs to Elsevier Science.}, title = {An all-anti conformation of the {\ensuremath{\beta}}-ala moiety in the crystalline state}, publisher = {Elsevier Science}, year = {1999}, journal = {Tetrahedron Letters}, pages = {5091--5094}, url = {http://crdd.osdd.net/open/798/}, abstract = {In marked contrast to the most favourable folded conformation, predicted from ab initio quantum mechanical calculations, the crystal structure analysis of the model system incorporating ?CONH?CH2?CH2?CONH? moiety, revealed the existence of an all-anti conformation, characterized by the backbone torsion angles: {\ensuremath{\phi}} {$\approx$} ?146?, {\ensuremath{\mu}} {$\approx$} 172? and {\ensuremath{\psi}} {$\approx$} 155?. Potential applications of the residue to form highly ordered, novel {\ensuremath{\beta}}-sheet like structure(s) with distinct faces have been suggested.} }