1ulc | pdb_00001ulc

CGL2 in complex with lactose

spinqualitylabelsall models 1ulc, resolution 2.60Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1ulc is a 2 chain structure with sequence from Coprinopsis cinerea. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.6Å Ligands: BGC, GAL, PRD_900004 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function CGL2_COPCI Binds lactose. May play a role in fruiting body formation. 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 Recognition of and discrimination between potential glyco-substrates is central to the function of galectins. Here we dissect the fundamental parameters responsible for such selectivity by the fungal representative, CGL2. The 2.1 A crystal structure of CGL2 and five substrate complexes reveal that this prototype galectin achieves increased substrate specificity by accommodating substituted oligosaccharides of the mammalian blood group A/B type in an extended binding cleft. Kinetic studies on wild-type and mutant CGL2 proteins demonstrate that the tetrameric organization is essential for functionality. The geometric constraints due to the orthogonal orientation of the four binding sites have important consequences on substrate binding and selectivity. Structure and functional analysis of the fungal galectin CGL2.,Walser PJ, Haebel PW, Kunzler M, Sargent D, Kues U, Aebi M, Ban N Structure. 2004 Apr;12(4):689-702. PMID:15062091 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Galectin 3D structures

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