Purification, crystallization and preliminary X-ray crystallographic analysis of rice Bowman-Birk inhibitor from Oryza sativa

Yi Hung Lin, Hsin Tai Li, Yen Chieh Huang, Ying Cheng Hsieh, Hong Hsiang Guan, Ming Yih Liu, Tschining Chang, Andrew H.J. Wang, Chun Jung Chen

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Bowman-Birk inhibitors (BBIs) are cysteine-rich proteins with inhibitory activity against proteases that are widely distributed in monocot and dicot species. The expression of rice BBI from Oryza sativa is up-regulated and induced by pathogens or insects during germination of rice seeds. The rice BBI (RBTI) of molecular weight 15 kDa has been crystallized using the hanging-drop vapour-diffusion method. According to the diffraction of rice BBI crystals at a resolution of 2.07 A, the unit cell belongs to space group P212 121, with unit-cell parameters a = 74.37, b = 96.69, c = 100.36 Å. Preliminary analysis indicates four BBI molecules in an asymmetric unit, with a solvent content of 58.29%.

Original languageEnglish
Pages (from-to)522-524
Number of pages3
JournalActa Crystallographica Section F: Structural Biology and Crystallization Communications
Volume62
Issue number6
DOIs
Publication statusPublished - Jun 2006
Externally publishedYes

ASJC Scopus subject areas

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Genetics
  • Condensed Matter Physics

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