+Open data
-Basic information
Entry | Database: PDB / ID: 3i3i | ||||||
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Title | Crystal Structure of Bothropstoxin-I crystallized at 283 K | ||||||
Components | Phospholipase A2 homolog bothropstoxin-1 | ||||||
Keywords | TOXIN / Homologue Phospholipase A2 / Bothropstoxin-I / BthTX-I_10C / Lys49-PLA2 from Bothrops jararacussu / Snake venom / Antibiotic / Antimicrobial / Disulfide bond / Myotoxin / Secreted | ||||||
Function / homology | Function and homology information calcium-dependent phospholipase A2 activity / arachidonic acid secretion / phospholipid metabolic process / lipid catabolic process / negative regulation of T cell proliferation / phospholipid binding / heparin binding / toxin activity / defense response to bacterium / calcium ion binding / extracellular region Similarity search - Function | ||||||
Biological species | Bothrops jararacussu (jararacussu) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.82 Å | ||||||
Authors | Salvador, G.H.M. / Marchi-Salvador, D.P. / Soares, A.M. / Fontes, M.R.M. | ||||||
Citation | Journal: J.Struct.Biol. / Year: 2010 Title: Comparison between apo and complexed structures of bothropstoxin-I reveals the role of Lys122 and Ca(2+)-binding loop region for the catalytically inactive Lys49-PLA(2)s. Authors: Fernandes, C.A. / Marchi-Salvador, D.P. / Salvador, G.M. / Silva, M.C. / Costa, T.R. / Soares, A.M. / Fontes, M.R. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3i3i.cif.gz | 44.1 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3i3i.ent.gz | 30.3 KB | Display | PDB format |
PDBx/mmJSON format | 3i3i.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/i3/3i3i ftp://data.pdbj.org/pub/pdb/validation_reports/i3/3i3i | HTTPS FTP |
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-Related structure data
Related structure data | 3hzdSC 3hzwC 3i03C 3iq3C 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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2 |
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Unit cell |
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-Components
#1: Protein | Mass: 13753.136 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: venom glands / Source: (natural) Bothrops jararacussu (jararacussu) / References: UniProt: Q90249 |
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#2: 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: 2.84 Å3/Da / Density % sol: 56.72 % |
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Crystal grow | Temperature: 283 K / Method: vapor diffusion, hanging drop / pH: 6 Details: 20% Isopropanol, 18% PEG 4000, 0.1M Na Citrate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 283.0K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: LNLS / Beamline: W01B-MX2 / Wavelength: 1.4586 Å |
Detector | Type: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Aug 3, 2007 / Details: mirrors |
Radiation | Monochromator: Si (111) double crystal monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.4586 Å / Relative weight: 1 |
Reflection | Resolution: 1.82→50 Å / Num. obs: 14091 / % possible obs: 97.3 % / Observed criterion σ(I): -3 / Redundancy: 3.1 % / Biso Wilson estimate: 22.8 Å2 / Rmerge(I) obs: 0.064 / Rsym value: 0.064 / Net I/σ(I): 15.77 |
Reflection shell | Resolution: 1.82→1.9 Å / Redundancy: 2.7 % / Rmerge(I) obs: 0.309 / Mean I/σ(I) obs: 3.2 / Rsym value: 0.309 / % possible all: 92.5 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB entry 3HZD Resolution: 1.82→25.83 Å / Rfactor Rfree error: 0.008 / Data cutoff high absF: 1406374.13 / 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: 58.6042 Å2 / ksol: 0.365754 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 30.8 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.82→25.83 Å
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Refine LS restraints |
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Refine LS restraints NCS | NCS model details: NONE | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LS refinement shell | Resolution: 1.82→1.93 Å / Rfactor Rfree error: 0.03 / Total num. of bins used: 6
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Xplor file |
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