1wek

Crystal structure of the conserved hypothetical protein TT1465 from Thermus thermophilus HB8

spinqualitylabelsall models 1wek, resolution 2.20Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1wek is a 6 chain structure with sequence from Thermus thermophilus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.2Å Ligands: MSE, PO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT, TOPSAN Function Q5SHT6_THET8 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 TT1887 and TT1465 from Thermus thermophilus HB8 are conserved hypothetical proteins, and are annotated as possible lysine decarboxylases in the Pfam database. Here we report the crystal structures of TT1887 and TT1465 at 1.8 A and 2.2 A resolutions, respectively, as determined by the multiwavelength anomalous dispersion (MAD) method. TT1887 is a homotetramer, while TT1465 is a homohexamer in the crystal and in solution. The structures of the TT1887 and TT1465 monomers contain single domains with the Rossmann fold, comprising six alpha helices and seven beta strands, and are quite similar to each other. The major structural differences exist in the N terminus of TT1465, where there are two additional alpha helices. A comparison of the structures revealed the elements that are responsible for the different oligomerization modes. The distributions of the electrostatic potential on the solvent-accessible surfaces suggested putative active sites. Crystal structures of possible lysine decarboxylases from Thermus thermophilus HB8.,Kukimoto-Niino M, Murayama K, Kato-Murayama M, Idaka M, Bessho Y, Tatsuguchi A, Ushikoshi-Nakayama R, Terada T, Kuramitsu S, Shirouzu M, Yokoyama S Protein Sci. 2004 Nov;13(11):3038-42. Epub 2004 Sep 30. PMID:15459330 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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