A. Nakamura, K. Okazaki, T. Furuta, M. Sakurai, R. Iino
{"title":"[Review] Moving Mechanism of Chitinase A from Serratia marcescens","authors":"A. Nakamura, K. Okazaki, T. Furuta, M. Sakurai, R. Iino","doi":"10.5458/BAG.10.2_89","DOIUrl":"https://doi.org/10.5458/BAG.10.2_89","url":null,"abstract":"1.1 プロセッシブな糖質分解酵素 プロセッシビティとは,1回の基質酵素複合体形成あた りの触媒反応回数ということができる.糖質関連酵素の分 野では,セルラーゼ,キチナーゼなどの加水分解酵素につ いて解析がなされることが多いため分解反応回数と思われ がちである.しかし他分野では DNAポリメラーゼの合成 反応回数やモーター蛋白質の運動回数として使われる概念 であり,酵素の重要な性質の一つである. セルラーゼについては,X線結晶構造解析によりトンネ ル状の触媒ドメインの構造が明らかになりプロセッシブ反 応の可能性が示された.その後,分解反応後の結晶性セ ルロースが尖ることからプロセッシブ反応が検証された. またキチナーゼについても,分解後の結晶性キチンの形状 変化からプロセッシブ反応モデルが提案された.更にプ ロセッシビティ定量のために,生成物の奇数糖と偶数糖の 比から推定する方法,基質を改変するまたは可溶性と不 溶性の基質を混合して計測する方法などが提案されてき た.プロセッシビティの定義を考えると,生成物の量と Moving Mechanism of Chitinase A from Serratia marcescens セラチア菌由来キチン加水分解酵素の運動機構","PeriodicalId":202833,"journal":{"name":"Bulletin of Applied Glycoscience","volume":"7 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116795754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nozomu Shibata, M. Suetsugu, Toshiharu Arai, T. Kodama, H. Kakeshita, K. Igarashi
{"title":"[Mini Review] Development of Enzymes for Biomass Saccharification Using Trichoderma reesei.","authors":"Nozomu Shibata, M. Suetsugu, Toshiharu Arai, T. Kodama, H. Kakeshita, K. Igarashi","doi":"10.5458/bag.9.4_249","DOIUrl":"https://doi.org/10.5458/bag.9.4_249","url":null,"abstract":"","PeriodicalId":202833,"journal":{"name":"Bulletin of Applied Glycoscience","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121862883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Review] Advanced Studies of the Biological Functions of Milk Oligosaccharides (4)","authors":"T. Urashima, K. Fukuda","doi":"10.5458/bag.9.4_254","DOIUrl":"https://doi.org/10.5458/bag.9.4_254","url":null,"abstract":"","PeriodicalId":202833,"journal":{"name":"Bulletin of Applied Glycoscience","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125995271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Masako Kawanishi-Asaoka, Chikage Kikuta, Seina Hagiwara, K. Iwaki, Y. Sugimoto
{"title":"[Note] Physicochemical Properties of Bulb Starches","authors":"Masako Kawanishi-Asaoka, Chikage Kikuta, Seina Hagiwara, K. Iwaki, Y. Sugimoto","doi":"10.5458/bag.9.4_266","DOIUrl":"https://doi.org/10.5458/bag.9.4_266","url":null,"abstract":"","PeriodicalId":202833,"journal":{"name":"Bulletin of Applied Glycoscience","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128391948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}