+Open data
-Basic information
Entry | Database: PDB / ID: 6qpe | ||||||
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Title | Engineered beta-lactoglobulin: variant L58F | ||||||
Components | Beta-lactoglobulin | ||||||
Keywords | TRANSPORT PROTEIN / lactoglobuin / lipocalin / mutation | ||||||
Function / homology | Function and homology information retinol binding / long-chain fatty acid binding / extracellular region / identical protein binding Similarity search - Function | ||||||
Biological species | Bos taurus (cattle) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.2 Å | ||||||
Authors | Loch, J.I. / Kaczor, K. / Leiwnski, K. | ||||||
Funding support | Poland, 1items
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Citation | Journal: J.Struct.Biol. / Year: 2020 Title: Structure-based design approach to rational site-directed mutagenesis of beta-lactoglobulin. Authors: Bonarek, P. / Loch, J.I. / Tworzydlo, M. / Cooper, D.R. / Milto, K. / Wrobel, P. / Kurpiewska, K. / Lewinski, K. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 6qpe.cif.gz | 48.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb6qpe.ent.gz | 32.1 KB | Display | PDB format |
PDBx/mmJSON format | 6qpe.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 6qpe_validation.pdf.gz | 430.4 KB | Display | wwPDB validaton report |
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Full document | 6qpe_full_validation.pdf.gz | 430.5 KB | Display | |
Data in XML | 6qpe_validation.xml.gz | 9.1 KB | Display | |
Data in CIF | 6qpe_validation.cif.gz | 11.9 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qp/6qpe ftp://data.pdbj.org/pub/pdb/validation_reports/qp/6qpe | HTTPS FTP |
-Related structure data
Related structure data | 6qi6C 6qi7C 6qpdC 6rwpC 6rwqC 6rwrC 6rytC 6xveC 1bsyS 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: 18267.031 Da / Num. of mol.: 1 / Mutation: L1A, I2S, L58F Source method: isolated from a genetically manipulated source Source: (gene. exp.) Bos taurus (cattle) / Gene: LGB / Plasmid: pET-Duet-1 / Production host: Escherichia coli (E. coli) / Strain (production host): Origami B (DE3) / References: UniProt: P02754 |
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#2: Chemical | ChemComp-ACT / |
#3: Water | ChemComp-HOH / |
Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.45 Å3/Da / Density % sol: 49.82 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / Details: 2.80 M (NH4)2SO4 in 0.1 M Tris-HCl pH 8.0 |
-Data collection
Diffraction | Mean temperature: 120 K / Serial crystal experiment: N | ||||||||||||||||||||||||
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Diffraction source | Source: SEALED TUBE / Type: Agilent SuperNova / Wavelength: 1.54 Å | ||||||||||||||||||||||||
Detector | Type: AGILENT ATLAS CCD / Detector: CCD / Date: Nov 25, 2014 | ||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||
Radiation wavelength | Wavelength: 1.54 Å / Relative weight: 1 | ||||||||||||||||||||||||
Reflection | Resolution: 2.2→15.23 Å / Num. obs: 9457 / % possible obs: 98.3 % / Redundancy: 2.8 % / CC1/2: 0.99 / Rmerge(I) obs: 0.085 / Rpim(I) all: 0.057 / Rrim(I) all: 0.103 / Net I/σ(I): 6.8 / Num. measured all: 26229 / Scaling rejects: 58 | ||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1 / Redundancy: 1.8 %
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-Processing
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 1BSY Resolution: 2.2→13.68 Å / Cor.coef. Fo:Fc: 0.94 / Cor.coef. Fo:Fc free: 0.887 / WRfactor Rfree: 0.2422 / WRfactor Rwork: 0.1822 / FOM work R set: 0.8076 / SU B: 7.253 / SU ML: 0.179 / SU R Cruickshank DPI: 0.2699 / SU Rfree: 0.2258 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.27 / ESU R Free: 0.226 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 121.42 Å2 / Biso mean: 25.017 Å2 / Biso min: 7.59 Å2
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Refinement step | Cycle: final / Resolution: 2.2→13.68 Å
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Refine LS restraints |
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