+
Open data
-
Basic information
Entry | Database: PDB / ID: 1iqb | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Title | Crystal Structure of Urtica dioica Agglutinin Isolectin I | |||||||||
![]() | AGGLUTININ ISOLECTIN I | |||||||||
![]() | SUGAR BINDING PROTEIN / TWO HOMOLOGOUS HEVEIN-LIKE DOMAINS / ZINC COMPLEX / HOMO-DIMER | |||||||||
Function / homology | ![]() endochitinase activity / chitinase / chitin catabolic process / chitin binding / polysaccharide catabolic process / defense response to fungus / cell wall macromolecule catabolic process / carbohydrate binding / killing of cells of another organism / metal ion binding Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | ![]() ![]() | |||||||||
![]() | Harata, K. / Schubert, W.D. / Muraki, M. | |||||||||
![]() | ![]() Title: Structure of Urtica dioica agglutinin isolectin I: dimer formation mediated by two zinc ions bound at the sugar-binding site. Authors: Harata, K. / Schubert, W.D. / Muraki, M. | |||||||||
History |
|
-
Structure visualization
Structure viewer | Molecule: ![]() ![]() |
---|
-
Downloads & links
-
Download
PDBx/mmCIF format | ![]() | 47.1 KB | Display | ![]() |
---|---|---|---|---|
PDB format | ![]() | 33.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
---|
-Related structure data
Related structure data | ![]() 1ehdS S: Starting model for refinement |
---|---|
Similar structure data |
-
Links
-
Assembly
Deposited unit | ![]()
| ||||||||
---|---|---|---|---|---|---|---|---|---|
1 |
| ||||||||
Unit cell |
|
-
Components
#1: Protein | Mass: 9408.387 Da / Num. of mol.: 2 / Fragment: residues 1-89 / Mutation: Q1(PCA) / Source method: isolated from a natural source / Source: (natural) ![]() #2: Chemical | #3: Water | ChemComp-HOH / | Has protein modification | Y | |
---|
-Experimental details
-Experiment
Experiment | Method: ![]() |
---|
-
Sample preparation
Crystal | Density Matthews: 2.11 Å3/Da / Density % sol: 41.6 % | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: PEG8000, zinc acetate, cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K | ||||||||||||||||||||
Crystal grow | *PLUS | ||||||||||||||||||||
Components of the solutions | *PLUS
|
-Data collection
Diffraction | Mean temperature: 286 K |
---|---|
Diffraction source | Source: ![]() |
Detector | Type: ENRAF-NONIUS FAST / Detector: AREA DETECTOR / Date: Feb 1, 1998 |
Radiation | Monochromator: graphite / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.73→25.1 Å / Num. all: 16600 / Num. obs: 14774 / % possible obs: 89 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.2 % / Rmerge(I) obs: 0.069 |
Reflection shell | Resolution: 1.73→1.76 Å / Rmerge(I) obs: 0.294 / % possible all: 25 |
Reflection | *PLUS Num. measured all: 47712 |
-
Processing
Software |
| |||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1EHD Resolution: 1.9→8 Å / Isotropic thermal model: Isotropic / σ(F): 2 / Stereochemistry target values: Engh & Huber
| |||||||||||||||||||||||||
Displacement parameters | Biso mean: 27.5 Å2 | |||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.9→8 Å
| |||||||||||||||||||||||||
Refine LS restraints |
| |||||||||||||||||||||||||
LS refinement shell | Resolution: 1.9→1.93 Å
| |||||||||||||||||||||||||
Software | *PLUS Name: ![]() | |||||||||||||||||||||||||
Refinement | *PLUS Lowest resolution: 8 Å / σ(F): 2 / % reflection Rfree: 13 % / Rfactor obs: 0.205 / Rfactor Rfree: 0.26 | |||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||
Displacement parameters | *PLUS Biso mean: 27.5 Å2 | |||||||||||||||||||||||||
LS refinement shell | *PLUS Rfactor Rfree: 0.387 / Rfactor Rwork: 0.305 |