4tl1

GCN4-p1 with mutation to 1-Aminocyclohexanecarboxylic acid at residue 10

spinqualitylabelsall models 4tl1, resolution 1.80Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4tl1 is a 2 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: IPA NonStd Res: 02K, ACE, NH2 Resources: FirstGlance, OCA, RCSB, PDBsum Publication Abstract from PubMed Modular assembly of bio-inspired supramolecular polymers is a powerful technique to develop new soft nanomaterials, and protein folding is a versatile basis for preparing such materials. Previous work demonstrated a significant difference in the physical properties of closely related supramolecular polymers composed of building blocks in which identical coiled-coil forming peptides are cross-linked by one of two subtly different organic linkers (one flexible and the other rigid). Herein, we investigate the molecular basis for this observation by isolating a single subunit of the supramolecular polymer chain and probing its structure and conformational flexibility by double electron-electron resonance (DEER) spectroscopy. Experimental spin-spin distance distributions for two different labeling sites coupled with molecular dynamics simulations provide insights into how linker structure impacts chain dynamics in the coiled-coil supramolecular polymer. Origins of Structural Flexibility in Protein-Based Supramolecular Polymers Revealed by DEER Spectroscopy.,Tavenor NA, Silva KI, Saxena S, Horne WS J Phys Chem B. 2014 Jul 24. PMID:25060334 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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