+Open data
-Basic information
Entry | Database: PDB / ID: 1a0s | ||||||
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Title | SUCROSE-SPECIFIC PORIN | ||||||
Components | SUCROSE-SPECIFIC PORIN | ||||||
Keywords | OUTER MEMBRANE PROTEIN / PORIN | ||||||
Function / homology | Function and homology information carbohydrate transmembrane transport / porin activity / pore complex / monoatomic ion transport / cell outer membrane Similarity search - Function | ||||||
Biological species | Salmonella typhimurium (bacteria) | ||||||
Method | X-RAY DIFFRACTION / MIR / Resolution: 2.4 Å | ||||||
Authors | Diederichs, K. / Welte, W. | ||||||
Citation | Journal: Nat.Struct.Biol. / Year: 1998 Title: Structure of the sucrose-specific porin ScrY from Salmonella typhimurium and its complex with sucrose. Authors: Forst, D. / Welte, W. / Wacker, T. / Diederichs, K. #1: Journal: J.Mol.Biol. / Year: 1993 Title: Crystallization and Preliminary X-Ray Diffraction Analysis of Scry, a Specific Bacterial Outer Membrane Porin Authors: Forst, D. / Schulein, K. / Wacker, T. / Diederichs, K. / Kreutz, W. / Benz, R. / Welte, W. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1a0s.cif.gz | 249.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1a0s.ent.gz | 200.7 KB | Display | PDB format |
PDBx/mmJSON format | 1a0s.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/a0/1a0s ftp://data.pdbj.org/pub/pdb/validation_reports/a0/1a0s | HTTPS FTP |
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-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS oper:
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-Components
#1: Protein | Mass: 45333.668 Da / Num. of mol.: 3 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Salmonella typhimurium (bacteria) / Cellular location: OUTER MEMBRANE / Gene: SCRY / Plasmid: PSO112 / Cellular location (production host): OUTER MEMBRANE / Production host: Escherichia coli (E. coli) / Strain (production host): K-12, KS 26 / References: UniProt: P22340 #2: Chemical | #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 3.8 Å3/Da / Density % sol: 68 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Method: vapor diffusion, sitting drop / pH: 7.7 Details: PROTEIN WAS CRYSTALLIZED BY VAPOR DIFFUSION USING THE SITTING-DROP METHOD. THE DROP CONTAINED 5-7 MG/ML PROTEIN, 20 MM TRIS/CL AT PH 7.7, 100MM LICL, 20MM MGSO4, 1.2% BETA-D- ...Details: PROTEIN WAS CRYSTALLIZED BY VAPOR DIFFUSION USING THE SITTING-DROP METHOD. THE DROP CONTAINED 5-7 MG/ML PROTEIN, 20 MM TRIS/CL AT PH 7.7, 100MM LICL, 20MM MGSO4, 1.2% BETA-D-OCTYLGLUCOPYRANOSIDE AND 6-9% PEG-2000. THE CONCENTRATION OF PEG IN THE RESERVOIR WAS 12-15%., vapor diffusion - sitting drop | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 17 ℃ / Method: vapor diffusion, sitting drop | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 287 K |
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Diffraction source | Type: OTHER / Wavelength: 1.5418 |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Mar 1, 1995 / Details: COLLIMATOR |
Radiation | Monochromator: GRAPHITE(002) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.29→17 Å / Num. obs: 130884 / % possible obs: 92.6 % / Observed criterion σ(I): 0 / Redundancy: 1.58 % / Biso Wilson estimate: 18.9 Å2 / Rsym value: 0.085 / Net I/σ(I): 8 |
Reflection shell | Resolution: 2.29→2.4 Å / Redundancy: 1.53 % / Mean I/σ(I) obs: 3 / Rsym value: 0.301 / % possible all: 65 |
Reflection | *PLUS Rmerge(I) obs: 0.085 |
Reflection shell | *PLUS % possible obs: 65 % / Rmerge(I) obs: 0.301 |
-Processing
Software |
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Refinement | Method to determine structure: MIR / Resolution: 2.4→100 Å / Rfactor Rfree error: 0.007 / Data cutoff high absF: 100000 / Data cutoff low absF: 0.1 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 1 Details: TWINNING FRACTION 0.011 AS DETERMINED FROM A FINAL SHELXL-96 REFINEMENT
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Displacement parameters | Biso mean: 27.5 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.4→100 Å
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Refine LS restraints |
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Refine LS restraints NCS | Refine-ID: X-RAY DIFFRACTION / Rms dev Biso : 1.6 Å2 / Weight Biso : 1 / Weight position: 50
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LS refinement shell | Resolution: 2.4→2.51 Å / Rfactor Rfree error: 0.034 / Total num. of bins used: 8
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Xplor file |
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Software | *PLUS Name: X-PLOR / Version: 3.851 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor obs: 0.2856 |