[Left-helical (PPII-PPII) type of globular protein structure: the level of the left helical type of poly-L-proline II in Kunitz trypsin inhibitor is no less than 43%. Experimental Reper spectrum of the extended left helix].
1994
: There is established that the protein trypsin inhibitor Kunitz is a globular protein of (PPII-PPII)-type. The content of poly-L-proline helix is not smaller than 43%. It has been shown by CD method that the transition from an extended left-handed helical structure to alpha-helix arises on heating till the denaturation temperatures. On this assumption the CD spectrum of poly-L-proline II type has been calculated.
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KQI