Structural analysis of Musashi-RNA complex on the basis of long-range structural information.

Takako Ohyama, Ayako Furukawa, Tsukasa Mashima, Takashi Sugiyama, Shouta Ohgara, Toshio Yamazaki, Takao Imai, Hideyuki Okano, Takashi Nagata, Masato Katahira

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Musashi protein is supposed to be involved in the regulation of differentiation of neural stem cells. Musashi binds to 3' untranslated region of target mRNA and represses the translation of mRNA. Musashi has two tandem RNA-binding domains (RBDs), RBD1 and RBD2. Both RBDs cooperatively bind to the target mRNA. Here, we determined the structure of RBD1-RBD2 in complex with target RNA. First, the structures of two RBDs in the complex were determined on the basis of short-range distance restrains derived from NOEs. However, the relative position of two RBDs was not determined due to the lack of long-range distance restraints across two RBDs. In order to overcome the situation, we introduced the paramagnetic center into Musashi by attaching MTSL carrying the NO radical. The long-range distance restraints (ca. 20-40 A) between two RBDs were derived from paramagnetic relaxation enhancement (PRE) caused by the paramagnetic center. The relative position of two RBDs was successfully determined on the basis of these long-range distance restraints. The change in the relative position of two RBDs on binding to the target RNA was also detected by PRE. The determined structure of RBD1-RBD2 in the complex has suggested how Musashi recognizes its target mRNA.

Original languageEnglish
Pages (from-to)193-194
Number of pages2
JournalNucleic acids symposium series (2004)
Issue number52
Publication statusPublished - 2008
Externally publishedYes

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RNA
Messenger RNA
Neural Stem Cells
RNA-Binding Motifs
Protein Biosynthesis
3' Untranslated Regions
Proteins

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Ohyama, T., Furukawa, A., Mashima, T., Sugiyama, T., Ohgara, S., Yamazaki, T., ... Katahira, M. (2008). Structural analysis of Musashi-RNA complex on the basis of long-range structural information. Nucleic acids symposium series (2004), (52), 193-194.

Structural analysis of Musashi-RNA complex on the basis of long-range structural information. / Ohyama, Takako; Furukawa, Ayako; Mashima, Tsukasa; Sugiyama, Takashi; Ohgara, Shouta; Yamazaki, Toshio; Imai, Takao; Okano, Hideyuki; Nagata, Takashi; Katahira, Masato.

In: Nucleic acids symposium series (2004), No. 52, 2008, p. 193-194.

Research output: Contribution to journalArticle

Ohyama, T, Furukawa, A, Mashima, T, Sugiyama, T, Ohgara, S, Yamazaki, T, Imai, T, Okano, H, Nagata, T & Katahira, M 2008, 'Structural analysis of Musashi-RNA complex on the basis of long-range structural information.', Nucleic acids symposium series (2004), no. 52, pp. 193-194.
Ohyama T, Furukawa A, Mashima T, Sugiyama T, Ohgara S, Yamazaki T et al. Structural analysis of Musashi-RNA complex on the basis of long-range structural information. Nucleic acids symposium series (2004). 2008;(52):193-194.
Ohyama, Takako ; Furukawa, Ayako ; Mashima, Tsukasa ; Sugiyama, Takashi ; Ohgara, Shouta ; Yamazaki, Toshio ; Imai, Takao ; Okano, Hideyuki ; Nagata, Takashi ; Katahira, Masato. / Structural analysis of Musashi-RNA complex on the basis of long-range structural information. In: Nucleic acids symposium series (2004). 2008 ; No. 52. pp. 193-194.
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