書誌事項
- タイトル別名
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- Multiplicity of DL-Glyceraldehyde Reductase Activity in Rabbit Lens
- カト スイショウタイ ノ DL グリセルアルデヒド カンゲン コウソ カッセイ
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Multiplicity of DL-glyceraldehyde reductase activity in rabbit lens was investigated. Enzymes with DL-glyceraldehyde reductase activity were separated into two fractions (F-1 : unadsorbed enzyme fraction and F-2 : adsorbed enzyme fraction) by dye-affinity chromatography using Matrex gel orange A. The fraction of F-2 was further separated into four fractions with DL-glyceraldehyde reductase activity (F-2a, F-2b, F-2c and F-2d) by chromatofocusing. The enzyme in F-1 was distinct from enzymes in F-2. The molecular weight of the former was about 60000, and that of the latter was about 33000. The enzyme in F-1 was strongly active with D-erythrose as a substrate, and the enzymes in F-2 were strongly active with DL-glyceraldehyde. The enzyme in F-1 was not appreciably inhibited by aldose reductase inhibitors such as quercitrin, quercetin and 3, 3-tetramethyleneglutaric acid, whereas the enzymes in F-2 were inhibited considerably. Sulfate ion did not activate the enzyme in F-1. Four enzymes in F-2 were subdivided into 2 groups (group A : F-2a and F-2c, group B : F-2b and F-2d) on the basis of their enzymatic properties. The enzymes in both groups A and B were capable of reducing various aldoses, but D-pentose and D-hexose were poor substrates for enzymes of group B. The enzymes in group A were activated by sulfate ion, and the enzymes in group B were not activated. The enzymes in group A were more susceptible to inhibition by aldose reductase inhibitors than those in group B.
収録刊行物
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- 薬学雑誌
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薬学雑誌 104 (1), 62-67, 1984
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390282681105404800
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- NII論文ID
- 130007274814
- 110003650556
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- NII書誌ID
- AN00284903
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- ISSN
- 13475231
- 00316903
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- NDL書誌ID
- 2977141
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- データソース種別
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- JaLC
- NDL
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