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Preliminary X-ray crystallographic study of the receptor-binding domain of the D/C mosaic neurotoxin from Clostridium botulinum

  • Nipawan Nuemket
  • , Yoshikazu Tanaka
  • , Kentaro Tsukamoto
  • , Takao Tsuji
  • , Keiji Nakamura
  • , Shunji Kozaki
  • , Min Yao
  • , Isao Tanaka

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

抄録

Botulinum toxin (BoNT) from Clostridium botulinum OFD05, isolated from bovine botulism, is a D/C mosaic-type BoNT. BoNTs possess binding, translocation and catalytic domains. The BoNT/OFD05 binding domain exhibits significant sequence identity to BoNT/C, which requires a single ganglioside as a binding receptor on neuronal cells, while BoNT/A and BoNT/B require two receptors for specific binding. To determine the binding mechanism of BoNT/OFD05 and its ganglioside receptors on neuronal cells, recombinant BoNT/OFD05 receptor-binding domain has been expressed, purified and crystallized. Native and SeMet-derivative crystals showed X-ray diffraction to 2.8 and 3.1 Å resolution, respectively. The crystals belonged to space group P212121.

本文言語英語
ページ(範囲)608-610
ページ数3
ジャーナルActa Crystallographica Section F: Structural Biology and Crystallization Communications
巻66
号5
DOI
出版ステータス出版済み - 29-04-2010

All Science Journal Classification (ASJC) codes

  • 生物理学
  • 構造生物学
  • 生化学
  • 遺伝学
  • 凝縮系物理学

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