A model for the dimeric molecular structure of phytochrome based on small-angle X-ray scattering

Satoru Tokutomi, Masayoshi Nakasako, Jun Sakai, Mikio Kataoka, Kotaro T. Yamamoto, Masamitsu Wada, Fumio Tokunaga, Masaki Furuya

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

The dimeric molecular structure of pea phytochrome (monomer molecular mass 114 kDa) in the red-light-absorbing form was studied with reference to the structures of its molecular domains in a monomer (an N-terminal 59-kDa chromophoric domain and a C-terminal 55-kDa nonchromophoric domain) using small-angle X-ray scattering, and a 'four-leaved shape' model is proposed. The propriety of the model was confirmed by images of the molecule obtained by rotary shadowing electron microscopy.

Original languageEnglish
Pages (from-to)139-142
Number of pages4
JournalFEBS Letters
Volume247
Issue number1
DOIs
Publication statusPublished - 1989 Apr 10
Externally publishedYes

Keywords

  • Domain structure
  • Molecular structure
  • Phytochrome
  • Small-angle X-ray scattering

ASJC Scopus subject areas

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Genetics
  • Cell Biology

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  • Cite this

    Tokutomi, S., Nakasako, M., Sakai, J., Kataoka, M., Yamamoto, K. T., Wada, M., Tokunaga, F., & Furuya, M. (1989). A model for the dimeric molecular structure of phytochrome based on small-angle X-ray scattering. FEBS Letters, 247(1), 139-142. https://doi.org/10.1016/0014-5793(89)81257-8