@article{oai:u-ryukyu.repo.nii.ac.jp:02003289,
 author = {四方, 治五郎 and 平良, 悦子 and 仲間, 由信 and 安富, 雅之 and Yomo, Harugoro and Taira, Etsuko and Nakama, Yushin and Yasutomi, Masayuki},
 issue = {23},
 journal = {琉球大学農学部学術報告, The Science Bulletin of the Faculty of Agriculture. University of the Ryukyus},
 month = {Dec},
 note = {(1)オニヒトデ(Acanthaster planci)の噴門及び幽門胃部より得たアセトン粉末粗プロテアーゼ標品はカゼインを基質とした場合, pH2.0,6.5,及び9.0附近に於て活性の極大を示した。(2)この標品はヘモグロビンを基質とした場合にもpH2.0に於てプロテアーゼ活性の極大を示した。(3)この粗プロテアーゼ標品はpH5.3に於てMilk-clottingの性質を示さなかった。(4)この標品のpH9.0附近に活性極大を示すプロテアーゼはCa^++イオンに依り活性が増大した。, A crude protease preparation of aceton powder obtained from cardiac and pyloric stomach of Acanthaster planci showd protease activity maxima at pH2.0,6.5,and 9.0. This crude protease preparation did not show milk-clotting activity at pH5.3,suggesting that the protease which has an activity optimum at pH2.0 may differ from pepsin. Protease activity at pH9.0 was enhanced by Ca^<++> ion., 紀要論文},
 pages = {177--183},
 title = {オニヒトデ胃部の蛋白質分解酵素に就いて(農芸化学科)},
 year = {1976}
}