+Open data
-Basic information
Entry | Database: PDB / ID: 6q3u | ||||||
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Title | Gly52Ala mutant of arginine-bound ArgBP from T. maritima | ||||||
Components | Amino acid ABC transporter, periplasmic amino acid-binding protein | ||||||
Keywords | TRANSPORT PROTEIN / Gly52Ala mutation / protein stability / local strains / helix insertion motif | ||||||
Function / homology | Bacterial periplasmic substrate-binding proteins / Bacterial extracellular solute-binding proteins, family 3 / Solute-binding protein family 3/N-terminal domain of MltF / ligand-gated monoatomic ion channel activity / Ionotropic glutamate receptor / Eukaryotic homologues of bacterial periplasmic substrate binding proteins. / membrane / ARGININE / Amino acid ABC transporter, periplasmic amino acid-binding protein Function and homology information | ||||||
Biological species | Thermotoga maritima (bacteria) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.64 Å | ||||||
Authors | Balasco, N. / Smaldone, G. / Ruggiero, A. / Vitagliano, L. | ||||||
Citation | Journal: Sci Rep / Year: 2019 Title: The characterization of Thermotoga maritima Arginine Binding Protein variants demonstrates that minimal local strains have an important impact on protein stability. Authors: Balasco, N. / Smaldone, G. / Vigorita, M. / Del Vecchio, P. / Graziano, G. / Ruggiero, A. / Vitagliano, L. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 6q3u.cif.gz | 62.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb6q3u.ent.gz | 45.1 KB | Display | PDB format |
PDBx/mmJSON format | 6q3u.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 6q3u_validation.pdf.gz | 442.8 KB | Display | wwPDB validaton report |
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Full document | 6q3u_full_validation.pdf.gz | 443.5 KB | Display | |
Data in XML | 6q3u_validation.xml.gz | 13.1 KB | Display | |
Data in CIF | 6q3u_validation.cif.gz | 19.7 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/q3/6q3u ftp://data.pdbj.org/pub/pdb/validation_reports/q3/6q3u | HTTPS FTP |
-Related structure data
Related structure data | 6ggvS 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: 23587.039 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099) (bacteria) Gene: TM_0593 / Production host: Escherichia coli (E. coli) / References: UniProt: Q9WZ62 |
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#2: Chemical | ChemComp-ARG / |
#3: Chemical | ChemComp-SO4 / |
#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: 2.73 Å3/Da / Density % sol: 54.87 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop Details: 2.0 M ammonium sulfate, 0.1 M TRIS hydrochloride buffer pH 8.5 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU MICROMAX-007 HF / Wavelength: 1.54 Å |
Detector | Type: RIGAKU SATURN 944 / Detector: CCD / Date: Mar 13, 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: 1.64→50 Å / Num. obs: 30030 / % possible obs: 96.1 % / Redundancy: 5.1 % / Rmerge(I) obs: 0.064 / Net I/σ(I): 30.3 |
Reflection shell | Resolution: 1.64→1.7 Å |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 6GGV Resolution: 1.64→14.8 Å / Cor.coef. Fo:Fc: 0.961 / Cor.coef. Fo:Fc free: 0.952 / SU B: 1.585 / SU ML: 0.054 / Cross valid method: THROUGHOUT / ESU R: 0.086 / ESU R Free: 0.084 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 15.561 Å2
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Refinement step | Cycle: 1 / Resolution: 1.64→14.8 Å
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Refine LS restraints |
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