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Open data
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Basic information
| Entry | Database: PDB / ID: 2zr1 | |||||||||
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| Title | Agglutinin from Abrus Precatorius | |||||||||
Components |
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Keywords | PLANT PROTEIN / RIBOSOME-INACTIVATING PROTEIN / IMMUNOTOXIN / AGGLUTININ ABRIN / Glycoprotein / Hydrolase / Lectin / Plant defense / Protein synthesis inhibitor / Pyrrolidone carboxylic acid / Toxin | |||||||||
| Function / homology | Function and homology informationrRNA N-glycosylase / rRNA N-glycosylase activity / heterophilic cell-cell adhesion / defense response / toxin activity / carbohydrate binding / negative regulation of translation Similarity search - Function | |||||||||
| Biological species | Abrus precatorius (Indian licorice) | |||||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.6 Å | |||||||||
Authors | Cheng, J. / Lu, T.H. / Liu, C.L. / Lin, J.Y. | |||||||||
Citation | Journal: J.Biomed.Sci. / Year: 2010Title: A biophysical elucidation for less toxicity of Agglutinin than Abrin-a from the Seeds of Abrus Precatorius in consequence of crystal structure Authors: Cheng, J. / Lu, T.H. / Liu, C.L. / Lin, J.Y. #1: Journal: J.Biol.Chem. / Year: 2006Title: Structure-function analysis and insights into the reduced toxicity of Abrus precatorius agglutinin I in relation to abrin Authors: Bagaria, A. / Surendranath, K. / Ramagopal, U.A. / Ramakumar, S. / Karande, A.A. #2: Journal: J.Biol.Chem. / Year: 2000 Title: Primary structure and function analysis of the Abrus precatorius agglutinin A chain by site-directed mutagenesis. Pro(199) Of amphiphilic alpha-helix H impairs protein synthesis inhibitory activity Authors: Liu, C.-L. / Tsai, C.-C. / Lin, S.-C. / Wang, L.-I. / Hsu, C.-I. / Hwang, M.-J. / Lin, J.-Y. #3: Journal: Acta Crystallogr.,Sect.D / Year: 2000 Title: Crystallization of agglutinin from the seeds of Abrus precatorius Authors: Panneerselvam, K. / Lin, S.-C. / Liu, C.-L. / Liaw, Y.-C. / Lin, J.-Y. / Lu, T.-H. #4: Journal: J.Mol.Biol. / Year: 1995Title: Crystal structure of abrin-a at 2.14 A Authors: Tahirov, T.H. / Lu, T.-H. / Liaw, Y.-C. / Chen, Y.-L. / Lin, J.-Y. | |||||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 2zr1.cif.gz | 212 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb2zr1.ent.gz | 169.6 KB | Display | PDB format |
| PDBx/mmJSON format | 2zr1.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/zr/2zr1 ftp://data.pdbj.org/pub/pdb/validation_reports/zr/2zr1 | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 1abrS S: Starting model for refinement |
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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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| 2 | ![]()
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| Unit cell |
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Components
| #1: Protein | Mass: 28664.371 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Abrus precatorius (Indian licorice) / References: UniProt: Q9M6E9, rRNA N-glycosylase#2: Protein | Mass: 30006.816 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Abrus precatorius (Indian licorice) / References: UniProt: Q9M6E9#3: Sugar | #4: Water | ChemComp-HOH / | Has protein modification | Y | |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 4.45 Å3/Da / Density % sol: 72.33 % |
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| Crystal grow | Temperature: 298 K / Method: vapor diffusion, sitting drop / pH: 8 Details: 6.5% PEG 8000, 1% SODIUM AZIDE, 0.1M TRIS BUFFER, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K, pH 8.0 |
-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: SPring-8 / Beamline: BL12B2 / Wavelength: 1 Å |
| Detector | Type: ADSC QUANTUM 4r / Detector: CCD / Date: Feb 19, 2004 |
| Radiation | Monochromator: SI (111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
| Reflection | Resolution: 2.47→30 Å / Num. obs: 73976 / % possible obs: 99.1 % / Observed criterion σ(I): 0 / Redundancy: 4.1 % / Biso Wilson estimate: 50.9 Å2 / Rsym value: 0.072 / Net I/σ(I): 11.9 |
| Reflection shell | Resolution: 2.47→2.56 Å / Redundancy: 3.6 % / Mean I/σ(I) obs: 1.8 / Rsym value: 0.36 / % possible all: 98.1 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: PDB ENTRY 1ABR Resolution: 2.6→19.88 Å / Rfactor Rfree error: 0.003 / Data cutoff high absF: 574723.92 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
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| Solvent computation | Solvent model: FLAT MODEL / Bsol: 221.453 Å2 / ksol: 0.34085 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 49.3 Å2
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| Refine analyze |
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| Refinement step | Cycle: LAST / Resolution: 2.6→19.88 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 2.6→2.76 Å / Rfactor Rfree error: 0.008 / Total num. of bins used: 6
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| Xplor file |
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Abrus precatorius (Indian licorice)
X-RAY DIFFRACTION
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