5aj8 | pdb_00005aj8

Tubulin Binding Cofactor C from Leishmania major

spinqualitylabelsall models 5aj8, resolution 2.20Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5aj8 is a 2 chain structure with sequence from Leima. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. NonStd Res: MSE Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Tubulin-binding cofactor C stimulates GTPase activity and contributes to the release of the heterodimeric alpha/#XPiS#betaetalpha;-tubulin from a super-complex of tubulin monomers and two ancillary cofactors. We have determined the 2.2 A resolution crystal structure of the C-terminal domain of tubulin-binding cofactor C from Leishmania major based on single wavelength anomalous dispersion measurements targeting a selenomethionine derivative. Although previously predicted to consist of two domains the structure is best described as a single domain dominated by a right-handed beta-helix of five turns that form a triangular prism. One face of the prism is covered by the C-terminal residues leaving another face solvent exposed. Comparisons with an orthologous human GTPase activating protein match key residues involved in binding nucleotide and identify the face of the beta-helix fold likely involved in interacting with the beta-tubulin:GTP complex. Crystal structure of the C-terminal domain of tubulin-binding cofactor C from Leishmania major.,Barrack KL, Fyfe PK, Finney AJ, Hunter WN Mol Biochem Parasitol. 2015 May 14. pii: S0166-6851(15)30002-5. doi:, 10.1016/j.molbiopara.2015.05.003. PMID:25982270 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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