The vibrational wavenumbers of kyotorphin [L-Tyr 1 -D-Arg 2 ] analogue (D-KTP) was determined by using theoretical and experimental methods. The optimised structure of kyotorphin was obtained on the basis of parameter set determined for L-tyrosine and D-arginine molecules. After then the vibrational
Conformational preferences, experimental and theoretical vibrational spectra of cyclo(Gly–Val) dipeptide
✍ Scribed by S. Celik; A.E. Ozel; S. Akyuz; S. Kecel; G. Agaeva
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 985 KB
- Volume
- 993
- Category
- Article
- ISSN
- 0022-2860
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## Abstract IR vibrational CD (VCD) has been observed for the cyclic pentapeptide __cyclo__‐(‐Gly‐Pro‐Gly‐D ‐Ala‐Pro‐) in solution in CDBr~3~. The observed VCD spectra do not resemble the VCD features of any of the previously reported peptide secondary structures, such as α‐helical, “random coil,”
1,2-Bis(1,2,4-triazole-1-yl)ethane (BTE) was prepared and its crystal structure has been investigated by X-ray analysis. The compound crystallizes in monoclinic space group P2 1 =a with a ¼ 6:805ð3Þ; b ¼ 8:836ð3Þ; c ¼ 6:646ð2Þ A; b ¼ 112:114ð7Þ8; V ¼ 370:2ð2Þ A 3 ; Z ¼ 2; and D ¼ 1:473 Mg=m 3 : The