4ozc | pdb_00004ozc

Backbone Modifications in the Protein GB1 Helix and Loops: beta-ACPC21, beta-ACPC24, beta-3-Lys28, beta-3-Lys31, beta-ACPC35, beta-ACPC40

spinqualitylabelsall models 4ozc, resolution 2.30Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4ozc is a 1 chain structure with sequence from Streptococcus sp.. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.301Å Ligands: B3K, GOL, NH2, SO4, XCP Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function SPG2_STRSG Publication Abstract from PubMed The thermodynamics of protein folding are dictated by a complex interplay of interatomic interactions and physical forces. A variety of unnatural protein-like oligomers have the capacity to manifest defined folding patterns. While the energetics of folding in natural proteins is well studied, little is known about the forces that govern folding in modified backbones. Here, we explore the thermodynamic consequences of backbone alteration on protein folding, focusing on two types of chemical changes made in different structural contexts of a compact tertiary fold. Our results reveal a surprising favorable impact on folding entropy that accompanies modifications that increase disorder in the ensemble of unfolded states, due to differences in the solvation of natural and unnatural backbones. Folding Thermodynamics of Protein-Like Oligomers with Heterogeneous Backbones.,Reinert ZE, Horne WS Chem Sci. 2014 Aug 1;5(8):3325-3330. PMID:25071931 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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