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Open data
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Basic information
Entry | Database: PDB / ID: 1h9p | ||||||
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Title | Crystal Structure of Dioclea guianensis Seed Lectin | ||||||
![]() | LECTIN ALPHA CHAIN | ||||||
![]() | LECTIN / LEGUME LECTIN OLIGOMERISATION | ||||||
Function / homology | ![]() D-mannose binding / toxin activity / carbohydrate binding / metal ion binding Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Romero, A. / Wah, D.A. / Gallego Del sol, F. / Cavada, B.S. / Ramos, M.V. / Grangeiro, T.B. / Sampaio, A.H. / Calvete, J.J. | ||||||
![]() | ![]() Title: Crystal Structure of Native and Cd/Cd-Substituted Dioclea Guianensis Seed Lectin. A Novel Manganese-Binding Site and Structural Basis of Dimer-Tetramer Association Authors: Wah, D.A. / Romero, A. / Gallego, F. / Cavada, B.S. / Ramos, M.V. / Grangeiro, T.B. / Sampaio, A.H. / Calvete, J.J. #1: Journal: Biochim.Biophys.Acta / Year: 1999 Title: Molecular Characterization and Crystallization of Diocleinae Lectins Authors: Calvete, J.J. / Thole, H.H. / Raida, M. / Urbanke, C. / Romero, A. / Grangeiro, T.B. / Ramos, M.V. / Almeida, I.M. / Guimaraes, F.N. / Cavada, B.S. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 63.2 KB | Display | ![]() |
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PDB format | ![]() | 45.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 429.5 KB | Display | ![]() |
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Full document | ![]() | 433.4 KB | Display | |
Data in XML | ![]() | 12.7 KB | Display | |
Data in CIF | ![]() | 17.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1h9wC ![]() 1cvnS S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Components
#1: Protein | Mass: 25451.080 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() | ||||||
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#2: Chemical | #3: Chemical | #4: Water | ChemComp-HOH / | Compound details | D-MANNOSE/D-GLUCOSE-BINDING LECTIN. REQUIRES CA2+ AND MN2+ IONS FOR FULL ACTIVITY. | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.17 Å3/Da / Density % sol: 42.96 % | ||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Method: vapor diffusion, hanging drop / pH: 6.4 Details: CRYSTALS WERE GROWN BY THE HANGING DROP VAPOUR DIFFUSION METHOD USING 30% PEG 400, 0.1M MES, PH 6.4 AND 0.1M CDCL2. | ||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS pH: 6.2 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Oct 15, 2000 / Details: BENT MIRROR |
Radiation | Monochromator: TRIANGULAR MONOCHROMATOR / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.8423 Å / Relative weight: 1 |
Reflection | Resolution: 2→35 Å / Num. obs: 15334 / % possible obs: 99.4 % / Redundancy: 6.4 % / Biso Wilson estimate: 15.9 Å2 / Rmerge(I) obs: 0.045 / Net I/σ(I): 12 |
Reflection shell | Resolution: 2→2.11 Å / Redundancy: 6.2 % / Rmerge(I) obs: 0.302 / Mean I/σ(I) obs: 2.5 / % possible all: 96.8 |
Reflection shell | *PLUS % possible obs: 96.8 % |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1CVN Resolution: 2→34.68 Å / Rfactor Rfree error: 0.009 / Data cutoff high absF: 2755151.35 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 Details: RESIDUES 118-121 WERE LEFT OUT BECAUSE OF POOR DENSITY. SIDE CHAINS COULD NOT BE ADDED FOR RESIDUES 117, 122 AND 204 BECAUSE OF THE LACK OF DENSITY
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 71.9531 Å2 / ksol: 0.40898 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 36.3 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2→34.68 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2→2.13 Å / Rfactor Rfree error: 0.029 / Total num. of bins used: 6
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Xplor file |
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Software | *PLUS Name: CNS / Version: 1 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Rfactor Rfree: 0.299 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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