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- PDB-1eis: UDA UNCOMPLEXED FORM. CRYSTAL STRUCTURE OF URTICA DIOICA AGGLUTIN... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1eis | |||||||||
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Title | UDA UNCOMPLEXED FORM. CRYSTAL STRUCTURE OF URTICA DIOICA AGGLUTININ, A SUPERANTIGEN PRESENTED BY MHC MOLECULES OF CLASS I AND CLASS II | |||||||||
![]() | PROTEIN (AGGLUTININ ISOLECTIN VI/AGGLUTININ ISOLECTIN V) | |||||||||
![]() | SUGAR BINDING PROTEIN / LECTIN / HEVEIN DOMAIN / UDA / SUPERANTIGEN | |||||||||
Function / homology | Chitin-binding, type 1, conserved site / Chitin recognition protein / Chitin recognition or binding domain signature. / Chitin-binding type-1 domain profile. / Chitin binding domain / Chitin-binding, type 1 / Endochitinase-like superfamily / chitin binding / Agglutinin isolectin VI![]() | |||||||||
Biological species | ![]() | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Saul, F.A. / Rovira, P. / Boulot, G. / Van Damme, E.J.M. / Peumans, W.J. / Truffa-Bachi, P. / Bentley, G.A. | |||||||||
![]() | ![]() Title: Crystal structure of Urtica dioica agglutinin, a superantigen presented by MHC molecules of class I and class II. Authors: Saul, F.A. / Rovira, P. / Boulot, G. / Damme, E.J. / Peumans, W.J. / Truffa-Bachi, P. / Bentley, G.A. #1: ![]() Title: Characterisation of Urtica dioica Agglutinin Isolectins and the Encoding Gene Family Authors: Does, M.P. / Ng, D.K. / Dekker, H.L. / Peumans, W.J. / Houterman, P.M. / Van Damme, E.J. / Cornelissen, B.J.C. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 25.7 KB | Display | ![]() |
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PDB format | ![]() | 18.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 9350.269 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: PURIFIED FROM THE RHIZOMES / Source: (natural) ![]() |
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#2: Water | ChemComp-HOH / |
Compound details | The structure comprises two hevein-like domains, each homologous to those of Wheat Germ Agglutinin ...The structure comprises two hevein-like domains, each homologous to those of Wheat Germ Agglutinin (PDB code: 9wga). Each domain contains a saccharide-binding site. The N-terminal residue is pyrrolidone carboxylic acid (PCA). A dual conformation is seen at Gly79, Gly80. No electron density is seen for the side chain of Arg33 beyond the CB atom. No interpretable density is seen for C-terminal residues Ser87, Ser88, and Ser89. |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.68 Å3/Da / Density % sol: 54.16 % | |||||||||||||||||||||||||
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Crystal grow | Temperature: 290 K / Method: vapor diffusion, sitting drop / pH: 6 Details: PEG 6000, sodium acetate, sodium chloride , pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 290.0K | |||||||||||||||||||||||||
Crystal grow | *PLUS PH range low: 6.5 / PH range high: 5.5 | |||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 298 K |
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Diffraction source | Source: ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Sep 21, 1998 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.375 Å / Relative weight: 1 |
Reflection | Resolution: 1.66→18 Å / Num. all: 11689 / Num. obs: 11689 / % possible obs: 95.4 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 12.5 % / Biso Wilson estimate: 30.8 Å2 / Rmerge(I) obs: 0.056 / Net I/σ(I): 24.7 |
Reflection shell | Resolution: 1.66→1.72 Å / Redundancy: 8.9 % / Rmerge(I) obs: 0.352 / Num. unique all: 1015 / % possible all: 84.7 |
Reflection shell | *PLUS % possible obs: 84.6 % |
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Processing
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Refinement | Method to determine structure: ![]() Details: The structure was determined to 2.45A resolution by MIR methods based on 4 Hg derivatives (rotating-anode X-ray source) with solvent flattening, and refined to 1.66A resolution with ...Details: The structure was determined to 2.45A resolution by MIR methods based on 4 Hg derivatives (rotating-anode X-ray source) with solvent flattening, and refined to 1.66A resolution with synchrotron data using a bulk solvent correction and anisotropic scale factor.
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Refinement step | Cycle: LAST / Resolution: 1.66→18 Å
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Refine LS restraints |
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