9GR7

PsiM in complex with sinefungin

9GR7 の概要

• エントリーDOI: 10.2210/pdb9gr7/pdb
• 分子名称: Psilocybin synthase, SINEFUNGIN, CHLORIDE ION, ... (4 entities in total)
• 機能のキーワード: psilocybin synthase, methyltransferase, sinefungin, rossmann fold, transferase
• 由来する生物種: Psilocybe cubensis
• タンパク質・核酸の鎖数: 1
• 化学式量合計: 36341.87

構造登録者

Hudspeth, J.,Rupp, B.,Werten, S. (登録日: 2024-09-10, 公開日: 2024-12-25, 最終更新日: 2025-04-16)

主引用文献

Leitner, L.,Hudspeth, J.,Werten, S.,Rupp, B.
If you cannot see it, is it still there?
J.Appl.Crystallogr., 58:615-621, 2025

PubMed Abstract: Protein crystallographers rely on electron density to build atomic models of molecular structures, yet flexible regions often remain unseen in electron density and are omitted. We suggest that ensemble refinement can be used to visualize and analyse the conformational landscape of such 'invisible' protein segments, which is particularly useful in cases where molecular flexibility plays a functional role. Using ensemble refinement on multiple crystal forms of the fungal methyl-transferase PsiM as an example, we illustrate the dynamic nature of a key substrate recognition loop, demonstrating its potential role in substrate binding and release. Ensemble refinement provides a persuasive visualization of biologically relevant flexible regions and can be a powerful tool for exploring molecular plasticity and aiding the modelling of dynamic protein components.

PubMed: 40170967
DOI: 10.1107/S160057672500130X

実験手法

X-RAY DIFFRACTION (1.04 Å)