1pp3 | pdb_00001pp3

Structure of thaumatin in a hexagonal space group

spinqualitylabelsall models 1pp3, resolution 1.60Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1pp3 is a 2 chain structure with sequence from Thaumatococcus daniellii. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, RCSB, PDBsum Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed The intensely sweet protein thaumatin has been crystallized in a hexagonal lattice after a temperature shift from 293 to 277 K. The structure of the protein in the new crystal was solved at 1.6 A resolution. The protein fold is identical to that found in three other crystal forms grown in the presence of crystallizing agents of differing chemical natures. The proportions of lattice interactions involving hydrogen bonds, hydrophobic or ionic groups differ greatly from one form to another. Moreover, the distribution of acidic and basic residues taking part in contacts also varies. The hexagonal packing is characterized by the presence of channels parallel to the c axis that are so wide that protein molecules can diffuse through them. Structure of thaumatin in a hexagonal space group: comparison of packing contacts in four crystal lattices.,Charron C, Giege R, Lorber B Acta Crystallogr D Biol Crystallogr. 2004 Jan;60(Pt 1):83-9. Epub 2003 Dec, 18. PMID:14684896 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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