The Complete Amino Acid Sequence and Enzymatic Properties of an i-Type Lysozyme Isolated from the Common Orient Clam (Meretrix lusoria)
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- KUWANO Yuko
- Department of Bioscience, School of Agriculture, Tokai University
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- YONEDA Kazunari
- Department of Bioscience, School of Agriculture, Tokai University
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- KAWAGUCHI Yuya
- Department of Bioscience, School of Agriculture, Tokai University
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- ARAKI Norie
- Department of Tumor Genetics and Biology, Graduate School of Medical Sciences, Kumamoto University School of Medicine
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- ARAKI Tomohiro
- Department of Bioscience, School of Agriculture, Tokai University
書誌事項
- タイトル別名
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- The Complete Amino Acid Sequence and Enzymatic Properties of an i-Type Lysozyme Isolated from the Common Orient Clam (<i>Meretrix lusoria</i>)
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抄録
To determine the structure and functional relationships of invertebrate lysozymes, we isolated a new invertebrate (i)-type lysozyme from the common orient clam (Meretrix lusoria) and determined the complete amino acid sequence of two isozymes that differed by one amino acid. The determined sequence showed 65% similarity to a lysozyme from Venerupis philippinarum (Tapes japonica), and it was therefore classified as an i-type lysozyme. The lytic activities of this lysozyme were similar to those of previously reported bivalve i-type lysozymes, but unlike the V. philippinarum lysozyme, it did not exhibit an increase in activity in high ionic strength. Our data suggest that this lysozyme does not have a dimeric structure, due to the replacement of Lys108 which contributes to dimer formation in the V. philippinarum lysozyme. GlcNAc oligomer activities suggested an absence of transglycosylation activity and a higher number of subsites on this enzyme compared with hen egg lysozyme.
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 77 (11), 2269-2277, 2013
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390001206478227840
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- NII論文ID
- 130003381938
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- NII書誌ID
- AA10824164
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- COI
- 1:STN:280:DC%2BC2c7ktlGnuw%3D%3D
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 025061799
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- PubMed
- 24200802
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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
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可