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Yorodumi- PDB-3qsk: 5 Histidine Variant of the anti-RNase A VHH in Complex with RNAse A -
+Open data
-Basic information
Entry | Database: PDB / ID: 3qsk | ||||||
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Title | 5 Histidine Variant of the anti-RNase A VHH in Complex with RNAse A | ||||||
Components |
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Keywords | HYDROLASE/IMMUNE SYSTEM / Antibody / Single Domain / Camelid / VHH / sdAb / RNase A / Ribonuclease A / pH / Sensitivity / Switch / Dependence / Linked / Equilibria / Equilibrium / Protein Engineering / Combinatorial / Histidine / Scanning / Phage Display / Dual-Function / Protein-Protein Interaction / Proton Binding / HYDROLASE-IMMUNE SYSTEM complex | ||||||
Function / homology | Function and homology information pancreatic ribonuclease / ribonuclease A activity / RNA nuclease activity / nucleic acid binding / lyase activity / defense response to Gram-positive bacterium / extracellular region Similarity search - Function | ||||||
Biological species | Camelus dromedarius (Arabian camel) Bos taurus (cattle) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.75 Å | ||||||
Authors | Murtaugh, M.L. / Fanning, S.W. / Sharma, T.M. / Terry, A.M. / Horn, J.R. | ||||||
Citation | Journal: Protein Sci. / Year: 2011 Title: A combinatorial histidine scanning library approach to engineer highly pH-dependent protein switches. Authors: Murtaugh, M.L. / Fanning, S.W. / Sharma, T.M. / Terry, A.M. / Horn, J.R. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3qsk.cif.gz | 108.2 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3qsk.ent.gz | 88.2 KB | Display | PDB format |
PDBx/mmJSON format | 3qsk.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3qsk_validation.pdf.gz | 428.5 KB | Display | wwPDB validaton report |
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Full document | 3qsk_full_validation.pdf.gz | 430.1 KB | Display | |
Data in XML | 3qsk_validation.xml.gz | 12.9 KB | Display | |
Data in CIF | 3qsk_validation.cif.gz | 18.5 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qs/3qsk ftp://data.pdbj.org/pub/pdb/validation_reports/qs/3qsk | HTTPS FTP |
-Related structure data
Related structure data | |
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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: 13708.326 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Bos taurus (cattle) / References: UniProt: P61823, EC: 3.1.27.5 |
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#2: Antibody | Mass: 13107.478 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Camelus dromedarius (Arabian camel) / Plasmid: pET21a+ / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) |
#3: 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: 1.92 Å3/Da / Density % sol: 35.79 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 5.5 Details: 25% PEG 3.350, 0.2M lithium sulfate monohydrate, 0.1M bis-tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 22-BM / Wavelength: 0.979 Å |
Detector | Type: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Jul 12, 2010 |
Radiation | Monochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.979 Å / Relative weight: 1 |
Reflection | Resolution: 1.75→20 Å / Num. all: 19497 / Num. obs: 19462 / % possible obs: 99.82 % / Observed criterion σ(I): 0.34 / Redundancy: 3.6 % / Rmerge(I) obs: 0.047 |
Reflection shell | Highest resolution: 1.75 Å / % possible all: 99.82 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.75→20 Å / Cor.coef. Fo:Fc: 0.951 / Cor.coef. Fo:Fc free: 0.92 / SU B: 6.135 / SU ML: 0.092 / Cross valid method: THROUGHOUT / ESU R Free: 0.142 / 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: 21.668 Å2
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Refinement step | Cycle: LAST / Resolution: 1.75→20 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.75→1.795 Å / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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