+Open data
-Basic information
Entry | Database: PDB / ID: 3t27 | |||||||||
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Title | Orthorhombic trypsin (bovine) in the presence of betaine | |||||||||
Components | Cationic trypsin | |||||||||
Keywords | HYDROLASE / Protease | |||||||||
Function / homology | Function and homology information trypsin / serpin family protein binding / serine protease inhibitor complex / digestion / endopeptidase activity / serine-type endopeptidase activity / proteolysis / extracellular space / metal ion binding Similarity search - Function | |||||||||
Biological species | Bos taurus (cattle) | |||||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.95 Å | |||||||||
Authors | Venkat, M. / Saxby, C. / Cahn, J. / Juers, D. | |||||||||
Citation | Journal: Acta Crystallogr.,Sect.D / Year: 2012 Title: The use of trimethylamine N-oxide as a primary precipitating agent and related methylamine osmolytes as cryoprotective agents for macromolecular crystallography. Authors: Marshall, H. / Venkat, M. / Hti Lar Seng, N.S. / Cahn, J. / Juers, D.H. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3t27.cif.gz | 61.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3t27.ent.gz | 43 KB | Display | PDB format |
PDBx/mmJSON format | 3t27.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3t27_validation.pdf.gz | 462.4 KB | Display | wwPDB validaton report |
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Full document | 3t27_full_validation.pdf.gz | 464.2 KB | Display | |
Data in XML | 3t27_validation.xml.gz | 12.6 KB | Display | |
Data in CIF | 3t27_validation.cif.gz | 17.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/t2/3t27 ftp://data.pdbj.org/pub/pdb/validation_reports/t2/3t27 | HTTPS FTP |
-Related structure data
Related structure data | 3t25C 3t26C 3t28C 3t29C 3t2aC 3t2hC 3t2iC 3t2jC 1tpoS C: citing same article (ref.) 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
-Protein , 1 types, 1 molecules A
#1: Protein | Mass: 23324.287 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / References: UniProt: P00760, trypsin |
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-Non-polymers , 5 types, 139 molecules
#2: Chemical | ChemComp-CA / | ||
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#3: Chemical | ChemComp-SO4 / | ||
#4: Chemical | ChemComp-BEN / | ||
#5: Chemical | ChemComp-BET / #6: 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: 2.37 Å3/Da / Density % sol: 48.08 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion / pH: 8 Details: 40 mg/mL protein in water, 25% (w/v) P8K, 0.2 M AmSO4, 0.1 M benzamidine, 0.1 M Tris, pH 8.0, Soaked in 4 M betaine, VAPOR DIFFUSION, temperature 298K |
-Data collection
Diffraction | Mean temperature: 298 K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: SEALED TUBE / Type: OTHER / Wavelength: 1.54 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: OXFORD ONYX CCD / Detector: CCD / Date: Jun 10, 2011 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 1.54 Å / Relative weight: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 1.95→44.5 Å / Num. all: 16718 / Num. obs: 16718 / % possible obs: 99.8 % / Redundancy: 5.8 % / Rsym value: 0.088 / Net I/σ(I): 16.2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell |
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-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB entry 1TPO Resolution: 1.95→20.62 Å / Cor.coef. Fo:Fc: 0.97 / Cor.coef. Fo:Fc free: 0.944 / Occupancy max: 1 / Occupancy min: 0 / SU B: 2.747 / SU ML: 0.079 / SU R Cruickshank DPI: 0.1348 / Cross valid method: THROUGHOUT / ESU R: 0.135 / ESU R Free: 0.129 / Stereochemistry target values: MAXIMUM LIKELIHOOD / 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: 1.4 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 21.285 Å2
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Refinement step | Cycle: LAST / Resolution: 1.95→20.62 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.95→2.001 Å / Total num. of bins used: 20
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