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- PDB-3qw5: Crystal structure of the protease domain of Botulinum Neurotoxin ... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3qw5 | ||||||
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Title | Crystal structure of the protease domain of Botulinum Neurotoxin Serotype A with a peptide inhibitor RRGF | ||||||
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![]() | HYDROLASE/HYDROLASE INHIBITOR / endopeptidase / syntaxin / bio-warfare agent / membrane / metal-binding / metalloprotease / protease / secreted / transmembrane / SNAP25 / HYDROLASE-HYDROLASE INHIBITOR complex | ||||||
Function / homology | ![]() host cell junction / negative regulation of neurotransmitter secretion / bontoxilysin / host cell presynaptic membrane / host cell cytoplasmic vesicle / host cell cytosol / protein transmembrane transporter activity / metalloendopeptidase activity / toxin activity / membrane => GO:0016020 ...host cell junction / negative regulation of neurotransmitter secretion / bontoxilysin / host cell presynaptic membrane / host cell cytoplasmic vesicle / host cell cytosol / protein transmembrane transporter activity / metalloendopeptidase activity / toxin activity / membrane => GO:0016020 / host cell plasma membrane / proteolysis / zinc ion binding / extracellular region / membrane Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Kumaran, D. / Swaminathan, S. | ||||||
![]() | ![]() Title: Peptide inhibitors of botulinum neurotoxin serotype A: design, inhibition, cocrystal structures, structure-activity relationship and pharmacophore modeling. Authors: Kumar, G. / Kumaran, D. / Ahmed, S.A. / Swaminathan, S. | ||||||
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 105.3 KB | Display | ![]() |
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PDB format | ![]() | 79.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 453.1 KB | Display | ![]() |
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Full document | ![]() | 461.6 KB | Display | |
Data in XML | ![]() | 20.3 KB | Display | |
Data in CIF | ![]() | 29 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3qw6C ![]() 3qw7C ![]() 3qw8C ![]() 3bwiS 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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Unit cell |
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Components
#1: Protein | Mass: 49415.727 Da / Num. of mol.: 1 / Fragment: light chain (UNP residues 1-424) Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: A5HZZ9, UniProt: P0DPI1*PLUS, bontoxilysin | ||
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#2: Protein/peptide | Mass: 534.636 Da / Num. of mol.: 1 / Source method: obtained synthetically | ||
#3: Chemical | ChemComp-ZN / | ||
#4: Chemical | #5: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.15 Å3/Da / Density % sol: 42.72 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 6.6 Details: 25% PEG3350, 0.3 M ammonium sulfate, pH 6.60, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Oct 13, 2009 / Details: MIRRORS |
Radiation | Monochromator: SI 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.979 Å / Relative weight: 1 |
Reflection | Resolution: 1.6→50 Å / Num. all: 49235 / Num. obs: 49235 / % possible obs: 88.3 % / Observed criterion σ(F): 0 / Redundancy: 15.7 % / Biso Wilson estimate: 14.9 Å2 / Rmerge(I) obs: 0.085 / Net I/σ(I): 11.9 |
Reflection shell | Resolution: 1.6→1.65 Å / Redundancy: 8.2 % / Rmerge(I) obs: 0.309 / Mean I/σ(I) obs: 3 / Num. unique all: 2640 / % possible all: 57.3 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 3BWI Resolution: 1.6→29.42 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 106893.29 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 41.8978 Å2 / ksol: 0.355511 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 26.6 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.6→29.42 Å
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Refine LS restraints |
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Refine LS restraints NCS | NCS model details: NONE | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LS refinement shell | Resolution: 1.6→1.7 Å / Rfactor Rfree error: 0.017 / Total num. of bins used: 6
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