Effect of linker length between variable domains of single chain variable fragment antibody against daidzin on its reactivity

Gorawit Yusakul, Seiichi Sakamoto, Benyakan Pongkitwitoon, Hiroyuki Tanaka, Satoshi Morimoto

研究成果: ジャーナルへの寄稿学術誌査読

15 被引用数 (Scopus)

抄録

The peptide linker between variable domains of heavy (VH ) and light (VL ) chains is one of important factors that influence the characteristics of scFv, including binding activity and specificity against target antigen. The scFvs against daidzin (DZ-scFvs) with different linker lengths were constructed in the format of VH -(GGGGS)n-V L (n = 1, 3, 5, and 7). They were expressed in the hemolymph of silkworm larvae using the Bombyx mori nucleopolyhedrovirus (BmNPV) bacmid DNA system, and their reactivity against daidzin and related compounds were evaluated using an indirect competitive enzyme-linked immunosorbent assay (icELISA), which is applicable for quantitative analysis of daidzin. The results showed that the reactivity of scFvs against daidzin was increased, whereas specificity slightly decreased when their peptide linker was lengthened. These results suggested that the linker length of DZ-scFvs contributes to its reactivity. In addition, the results emphasize that the linker length could control the reactivity of DZ-scFvs.

本文言語英語
ページ(範囲)1306-1312
ページ数7
ジャーナルBioscience, Biotechnology and Biochemistry
80
7
DOI
出版ステータス出版済み - 2016

!!!All Science Journal Classification (ASJC) codes

  • バイオテクノロジー
  • 分析化学
  • 生化学
  • 応用微生物学とバイオテクノロジー
  • 分子生物学
  • 有機化学

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