+Open data
-Basic information
Entry | Database: PDB / ID: 1qke | ||||||
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Title | ERABUTOXIN | ||||||
Components | ERABUTOXIN A | ||||||
Keywords | NEUROTOXIN / ERABUTOXIN | ||||||
Function / homology | Function and homology information acetylcholine receptor inhibitor activity / ion channel regulator activity / toxin activity / extracellular region Similarity search - Function | ||||||
Biological species | Laticauda semifasciata (broad-banded blue sea krait) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / RIGID BODY REFINEMENT / Resolution: 1.5 Å | ||||||
Authors | Nastopoulos, V. / Kanellopoulos, P.N. / Tsernoglou, D. | ||||||
Citation | Journal: Acta Crystallogr.,Sect.D / Year: 1998 Title: Structure of dimeric and monomeric erabutoxin a refined at 1.5 A resolution. Authors: Nastopoulos, V. / Kanellopoulos, P.N. / Tsernoglou, D. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1qke.cif.gz | 22.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1qke.ent.gz | 16.4 KB | Display | PDB format |
PDBx/mmJSON format | 1qke.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1qke_validation.pdf.gz | 422.7 KB | Display | wwPDB validaton report |
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Full document | 1qke_full_validation.pdf.gz | 423.4 KB | Display | |
Data in XML | 1qke_validation.xml.gz | 6.6 KB | Display | |
Data in CIF | 1qke_validation.cif.gz | 8.5 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qk/1qke ftp://data.pdbj.org/pub/pdb/validation_reports/qk/1qke | HTTPS FTP |
-Related structure data
Related structure data | 1qkdC 5ebxS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 6853.715 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: SNAKE VENOM, JAPANESE SEA SNAKE Source: (natural) Laticauda semifasciata (broad-banded blue sea krait) References: UniProt: P60775 |
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#2: Chemical | ChemComp-SO4 / |
#3: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 1.8 Å3/Da / Density % sol: 31.61 % | ||||||||||||||||||||
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Crystal grow | pH: 7.5 / Details: pH 7.5 | ||||||||||||||||||||
Crystal grow | *PLUS Method: vapor diffusion, hanging drop | ||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 295 K |
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Diffraction source | Source: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X11 / Wavelength: 0.92 |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Oct 1, 1992 |
Radiation | Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.92 Å / Relative weight: 1 |
Reflection | Resolution: 1.5→17 Å / Num. obs: 7978 / % possible obs: 95.1 % / Observed criterion σ(I): 0 / Redundancy: 4.9 % / Biso Wilson estimate: 24.2 Å2 / Rsym value: 0.042 / Net I/σ(I): 30.9 |
Reflection shell | Resolution: 1.5→1.62 Å / Redundancy: 7.8 % / Mean I/σ(I) obs: 10.16 / Rsym value: 0.117 / % possible all: 92.2 |
Reflection | *PLUS Num. measured all: 40456 / Rmerge(I) obs: 0.042 |
-Processing
Software |
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Refinement | Method to determine structure: RIGID BODY REFINEMENT Starting model: 5EBX Resolution: 1.5→17 Å / σ(F): 0 / Details: X-PLOR WAS ALSO USED
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Refinement step | Cycle: LAST / Resolution: 1.5→17 Å
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Refine LS restraints |
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Software | *PLUS Name: TNT / Version: 5EA / Classification: refinement | ||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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