+Open data
-Basic information
Entry | Database: PDB / ID: 1af4 | ||||||
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Title | CRYSTAL STRUCTURE OF SUBTILISIN CARLSBERG IN ANHYDROUS DIOXANE | ||||||
Components | SUBTILISIN CARLSBERG | ||||||
Keywords | SERINE PROTEASE / ORGANIC SOLVENT | ||||||
Function / homology | Function and homology information subtilisin / serine-type endopeptidase activity / proteolysis / extracellular region / metal ion binding Similarity search - Function | ||||||
Biological species | Bacillus licheniformis (bacteria) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.6 Å | ||||||
Authors | Schmitke, J.L. / Stern, L.J. / Klibanov, A.M. | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 1997 Title: The crystal structure of subtilisin Carlsberg in anhydrous dioxane and its comparison with those in water and acetonitrile. Authors: Schmitke, J.L. / Stern, L.J. / Klibanov, A.M. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1af4.cif.gz | 63.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1af4.ent.gz | 45.4 KB | Display | PDB format |
PDBx/mmJSON format | 1af4.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/af/1af4 ftp://data.pdbj.org/pub/pdb/validation_reports/af/1af4 | HTTPS FTP |
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-Related structure data
Related structure data | 1sbcS 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
#1: Protein | Mass: 27306.199 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Bacillus licheniformis (bacteria) / References: UniProt: P00780, subtilisin | ||
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#2: Chemical | ChemComp-CA / | ||
#3: Chemical | ChemComp-DIO / #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: 2.1 Å3/Da / Density % sol: 42 % | |||||||||||||||
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Crystal grow | pH: 5.6 Details: PROTEIN WAS CRYSTALLIZED FROM 13% SODIUM SULFATE, 30 MM CACODYLATE, PH 5.6; THEN CROSS-LINKED WITH 10% GLUTARALDEHYDE IN 13% SODIUM SULFATE, 30 MM CACODYLATE, PH 7.5, WASHED WITH DISTILLED ...Details: PROTEIN WAS CRYSTALLIZED FROM 13% SODIUM SULFATE, 30 MM CACODYLATE, PH 5.6; THEN CROSS-LINKED WITH 10% GLUTARALDEHYDE IN 13% SODIUM SULFATE, 30 MM CACODYLATE, PH 7.5, WASHED WITH DISTILLED WATER, AND TRANSFERRED TO ANHYDROUS DIOXANE. | |||||||||||||||
Crystal grow | *PLUS Method: batch method / Details: Neidhart, D.J., (1988) Protein Eng., 2, 271. | |||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 296 K |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RUH2R / Wavelength: 1.5418 |
Detector | Type: RIGAKU RAXIS II / Detector: IMAGE PLATE / Date: Mar 7, 1996 / 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: 2.6→14 Å / Num. obs: 7111 / % possible obs: 96 % / Observed criterion σ(I): 2 / Redundancy: 5.5 % / Rsym value: 0.14 / Net I/σ(I): 6.2 |
Reflection shell | Resolution: 2.6→2.7 Å / Redundancy: 5.2 % / Mean I/σ(I) obs: 4.3 / Rsym value: 0.38 / % possible all: 96 |
Reflection | *PLUS Num. measured all: 39403 / Rmerge(I) obs: 0.142 |
Reflection shell | *PLUS % possible obs: 96.2 % / Num. unique obs: 745 / Num. measured obs: 3891 / Rmerge(I) obs: 0.387 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1SBC Resolution: 2.6→6 Å / Rfactor Rfree error: 0.011 / Data cutoff high absF: 100000 / Data cutoff low absF: 0.1 / Isotropic thermal model: RESTRAINED / σ(F): 2 / Details: ALSO USED REFMAC BEFORE BUILDING IN THE DIOXANES
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Displacement parameters | Biso mean: 13.6 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine analyze | Luzzati coordinate error obs: 0.3 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.6→6 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.6→2.7 Å / Rfactor Rfree error: 0.036 / Total num. of bins used: 8
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Xplor file |
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Software | *PLUS Name: X-PLOR / Version: 3.1 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Num. reflection all: 6554 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rwork: 0.19 |