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Yorodumi- PDB-1zyw: Crystal Structure Of Mutant K8DP9SR58KP60G Of Scorpion alpha-Like... -
+Open data
-Basic information
Entry | Database: PDB / ID: 1zyw | ||||||
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Title | Crystal Structure Of Mutant K8DP9SR58KP60G Of Scorpion alpha-Like Neurotoxin Bmk M1 From Buthus Martensii Karsch | ||||||
Components | Alpha-like neurotoxin BmK-I | ||||||
Keywords | TOXIN / SCORPION ALPHA-LIKE TOXIN / BMK M1 / MUTANT / MAMMAL/INSECT SELECTIVITY | ||||||
Function / homology | Function and homology information sodium channel inhibitor activity / defense response / toxin activity / extracellular region Similarity search - Function | ||||||
Biological species | Mesobuthus martensii (Chinese scorpion) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.3 Å | ||||||
Authors | Ye, X. / Bosmans, F. / Li, C. / Zhang, Y. / Wang, D.C. / Tytgat, J. | ||||||
Citation | Journal: J.Mol.Biol. / Year: 2005 Title: Structural basis for the voltage-gated Na+ channel selectivity of the scorpion alpha-like toxin BmK M1 Authors: Ye, X. / Bosmans, F. / Li, C. / Zhang, Y. / Wang, D.C. / Tytgat, J. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1zyw.cif.gz | 27.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1zyw.ent.gz | 17.1 KB | Display | PDB format |
PDBx/mmJSON format | 1zyw.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/zy/1zyw ftp://data.pdbj.org/pub/pdb/validation_reports/zy/1zyw | HTTPS FTP |
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-Related structure data
Related structure data | 1zu3C 1zutC 1zveC 1zvgC 1zyvC 1sn1S C: citing same article (ref.) S: Starting model for refinement |
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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 on special symmetry positions |
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-Components
#1: Protein | Mass: 7344.250 Da / Num. of mol.: 1 / Mutation: K10D, P11S, R60K, P62G Source method: isolated from a genetically manipulated source Source: (gene. exp.) Mesobuthus martensii (Chinese scorpion) Gene: BMK M1 / Plasmid: PVT 102U-ALPHA / Production host: Saccharomyces cerevisiae (brewer's yeast) / Strain (production host): S-78 / References: UniProt: P45697 | ||||
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#2: Chemical | #3: Chemical | ChemComp-ACT / | #4: 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: 1.81 Å3/Da / Density % sol: 32 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: 30% (w/v) PEG8000, 0.1M sodium cacodylate pH 6.5, 0.2M ammonium sulfate, 0.02M sodium acetate, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 293 K |
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Diffraction source | Source: SYNCHROTRON / Site: BSRF / Beamline: 3W1A / Wavelength: 0.9 Å |
Detector | Type: MAR CCD 165 mm / Detector: CCD / Date: May 11, 2004 |
Radiation | Monochromator: Double Crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9 Å / Relative weight: 1 |
Reflection | Resolution: 1.3→22.4 Å / Num. all: 13231 / Num. obs: 13231 / % possible obs: 99 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 7 % / Biso Wilson estimate: 7.8 Å2 / Rmerge(I) obs: 0.051 / Rsym value: 0.051 / Net I/σ(I): 9.2 |
Reflection shell | Resolution: 1.3→1.38 Å / Rmerge(I) obs: 0.152 / Mean I/σ(I) obs: 4.2 / Rsym value: 0.152 / % possible all: 99.1 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 1SN1.pdb Resolution: 1.3→22.35 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 961833.57 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 35.1665 Å2 / ksol: 0.354135 e/Å3 | ||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 11.3 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.3→22.35 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.3→1.38 Å / Rfactor Rfree error: 0.012 / Total num. of bins used: 6
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Xplor file |
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