ビルトイン補酵素をもつアミン脱水素酵素の構造研究-新規キノン補酵素と異常な分子内架橋- Structural Studies on Quinohemoprotein Amine Dehydrogenase : a Novel Quinonoid Cofactor and Multiple lntramolecular Cross-Bridges

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Quinohemoprotein amine dehydrogenase (QH-AmDH) from <I>Pseudomonas putida</I> has an αβγ heterotrimeric structure with two heme <I>c</I> groups in the largest α subunit and an unidentified quinone prosthetic group in the smallest γ subunit.<BR>The crystal structure of QH-AmDH has been determined at 1.9Åresolution. This revealed a unique feature of the catalytic γ subunit with a novel cofactor cysteine tryptophylquinone (CTQ) and three intra-chain cross-links. These links are unprecedented as they are thio-ether bonds between a sulfur atom of Cys and a methylene carbon atom of an Asp or a Glu.

収録刊行物

  • 日本結晶学会誌

    日本結晶学会誌 44(3), 176-181, 2002-06-28

    The Crystallographic Society of Japan

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各種コード

  • NII論文ID(NAID)
    10008687379
  • NII書誌ID(NCID)
    AN00188364
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03694585
  • NDL 記事登録ID
    6199834
  • NDL 雑誌分類
    ZM46(科学技術--地球科学--岩石・鉱物・鉱床)
  • NDL 請求記号
    Z15-138
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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