Protein-Protein Interaction of Fish Myosin Fragments |
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| Authors: | TAKESHI TAGUCHI HIROSHI ISHIZAKA MUNEHIKO TANAKA YUJI NAGASHIMA KEISHI AMANO |
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| Affiliation: | The authors are with the Dept. of Food Engineering, Faculty of Fisheries, Tokyo Univ. of Fisheries, Konan, Minato-ku, Tokyo 108, Japan. |
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| Abstract: | Protein-protein interaction of myosin fragments from flying fish and white marlin muscles was studied by means of absorbance changes resulting from aggregation at temperatures of 20°C to 70°C. Subfragment-1 (S-1) exhibited a high extent of interaction with the transition temperature of 35–36°C, while the interaction of heavy meromyosin (HMM) was very weak. Though light meromyosin (LMM) gave lower interaction values throughout the heating temperature, the addition of butanol promoted markedly the interactions at the temperature above 50°C. The degree of promotion was high for flying fish and low for white marlin. |
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