Ivanova Bojidarka B, Arnaudov Michail G
Sofia University, St. Kl. Ohridski, Faculty of Chemistry, 1164-Sofia, Bulgaria.
Spectrochim Acta A Mol Biomol Spectrosc. 2006 Sep;65(1):56-61. doi: 10.1016/j.saa.2005.09.026. Epub 2006 Feb 2.
Stereo structural characterization of methionine-containing tripeptides glycine-glycine-methionine (Gly-Gly-Met) and methionine-glycine-glycine (Met-Gly-Gly) is carried out by means of linear-dichroic infrared spectral analysis of oriented as nematic liquid crystal suspension solid samples. Thus obtained data are compared with theoretical ones received by ab initio calculations (Hartree-Fock level of theory and 6-31G** basis set). An IR-spectral characterization of both tripeptides is included as well.