ティラピア普通筋からのミオシン・サブフラグメント1アイソザイムの単離と性状
書誌事項
- タイトル別名
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- Isolation and enzymatic properties of myosin subfragment 1 isozymes from the ordinary muscle of tilapia Oreochromis niloticus.
- ティラピア普通筋からのミオシン・サブフラグメント1アイソザイムの単離と性状〔英文〕
- ティラピア フツウ キン カラ ノ ミオシン サブフラグメント 1 アイソザイ
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Myosin subfragment 1(S1) was prepared from the ordinary muscle of tilapia Oreochromis niloticus by α-chymotryptic digestion in the presence of EDTA. S1 was further separated by anion-exchange column chromatography into two isozymes, based on associating alkali light chains A1 and A2, S1(A1) and S1(A2). The two isozymes exhibited a similar pH-dependency of Ca-or EDTA-ATPase activity, with a minimum at around pH7 for the former activity and a maximum at around pH9 for the both. As a whole, however, both activities of S1(A2) were somewhat higher than those of S1(A1). In actin-activated Mg-ATPase activity, on the other hand, S1(A2) showed a lower apparent dissociation constant for actin and higher maximum velocity than S1(A1), in contrast to the counterpart of rabbit. All these results suggest that alkali light chains affect S1 ATPases both in the presence and absence of actin.
収録刊行物
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- 日本水産学会誌
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日本水産学会誌 55 (12), 2143-2149, 1989
公益社団法人 日本水産学会
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詳細情報 詳細情報について
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- CRID
- 1390001206410934272
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- NII論文ID
- 130001544652
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- NII書誌ID
- AN00193422
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- ISSN
- 1349998X
- 00215392
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- NDL書誌ID
- 3655176
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
- NDL
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- CiNii Articles
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