大阪大学 · 医学
Daron M. Standley教授の研究室では、免疫受容体(B細胞受容体やT細胞受容体)の構造をアミノ酸配列から高精度に再構築する「Repertoire Builder」をはじめ、ウイルスの抗原タンパク質の進化的選択圧を解析する手法を開発しています。特にSARS-CoV-2のスパイクタンパク質における進化的に重要なアミノ酸部位の同定や、構造情報と機能データを統合したデータベース基盤(PDBj連携)の構築にも貢献しています。これらの研究は、ワクチン開発や治療法の設計に直結する構造生物学的基盤を提供しています。
Figures are computed from collected data and may differ slightly.
Repertoire Builder (https://sysimm.org/rep_builder/) is a method for generating atomic-resolution, three-dimensional models of B cell receptors (BCRs) or T cell receptors (TCRs) from their amino acid sequences.
The Protein Data Bank Japan (PDBj) curates, edits and distributes protein structural data as a member of the worldwide Protein Data Bank (wwPDB) and currently processes approximately 25-30% of all deposited data in the world. Structural information is enhanced by the addition of biological and biochemical functional data as well as experimental details extracted from the literature and other databases. Several applications have been developed at PDBj for structural biology and biomedical studies
The SARS-CoV-2 S protein is a major point of interaction between the virus and the human immune system. As a consequence, the S protein is not a static target but undergoes rapid molecular evolution. In order to more fully understand the selection pressure during evolution, we examined residue positions in the S protein that vary greatly across closely related viruses but are conserved in the subset of viruses that infect humans. These "evolutionarily important" residues were not distributed eve
ASH shows high selectivity and sensitivity with regard to domain classification, an important step in defining distantly related protein sequence families. Moreover, the CPU cost per alignment is competitive with the fastest programs, making ASH a practical option for large-scale structure classification studies.
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