title: Circular dichroism spectra show abundance of beta-sheet structure in connectin, a muscle elastic protein.
abstract: Circular dichroism spectra of native connectin from chicken breast muscle strongly suggested the abundant presence of beta-sheet structure, as much as 70% in 0.5 M KCl and 50 mM phosphate buffer, pH 7.5. alpha-Helix was not detected. These results are in contradiction with the conclusion that native connectin from rabbit skeletal muscle consists entirely of random coil [(1984) J. Mol. Biol. 180, 331-356].
mesh_terms: D000818:Animals; D002645:Chickens; D002942:Circular Dichroism; D064211:Connectin; D019791:Guanidine; D006146:Guanidines; D046911:Macromolecular Substances; D008968:Molecular Conformation; D009124:Muscle Proteins; D009132:Muscles / Q000032:analysis*; D011489:Protein Denaturation; D011494:Protein Kinases
chemical_list: D064211:Connectin; D006146:Guanidines; D046911:Macromolecular Substances; D009124:Muscle Proteins; D011494:Protein Kinases; D019791:Guanidine