2acg | pdb_00002acg

ACANTHAMOEBA CASTELLANII PROFILIN II

spinqualitylabelsall models 2acg, resolution 2.50Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2acg is a 1 chain structure with sequence from Acanthamoeba castellanii. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Gene: CDNA (Acanthamoeba castellanii) 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 We determined the structures of Acanthamoeba profilin I and profilin II by x-ray crystallography at resolutions of 2.0 and 2.8 A, respectively. The polypeptide folds and the actin-binding surfaces of the amoeba profilins are very similar to those of bovine and human profilins. The electrostatic potential surfaces of the two Acanthamoeba isoforms differ. Two areas of high positive potential on the surface of profilin II are candidate binding sites for phosphatidylinositol phosphates. The proximity of these sites to the actin binding site provides an explanation for the competition between actin and lipids for binding profilin. X-ray structures of isoforms of the actin-binding protein profilin that differ in their affinity for phosphatidylinositol phosphates.,Fedorov AA, Magnus KA, Graupe MH, Lattman EE, Pollard TD, Almo SC Proc Natl Acad Sci U S A. 1994 Aug 30;91(18):8636-40. PMID:8078936 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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