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Open data
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Basic information
| Entry | Database: PDB / ID: 1hc7 | ||||||
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| Title | Prolyl-tRNA synthetase from Thermus thermophilus | ||||||
Components | PROLYL-TRNA SYNTHETASE | ||||||
Keywords | AMINOACYL-TRNA SYNTHETASE / ATP + L-PROLINE + TRNA(PRO) AMP + PPI + L-PROLYL-TRNA(PRO) / CLASS II AMINOACYL-TRNA SYNTHETASE | ||||||
| Function / homology | Function and homology informationproline-tRNA ligase / proline-tRNA ligase activity / prolyl-tRNA aminoacylation / aminoacyl-tRNA synthetase multienzyme complex / ATP binding / metal ion binding / cytoplasm Similarity search - Function | ||||||
| Biological species | ![]() THERMUS THERMOPHILUS (bacteria) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / SIRAS / Resolution: 2.43 Å | ||||||
Authors | Yaremchuk, A. / Tukalo, M. / Cusack, S. | ||||||
Citation | Journal: J.Mol.Biol. / Year: 2001Title: A Succession of Substrate Induced Conformational Changes Ensures the Amino Acid Specificity of Thermus Thermophilus Prolyl-tRNA Synthetase: Comparison with Histidyl-tRNA Synthetase Authors: Yaremchuk, A. / Tukalo, M. / Grotli, M. / Cusack, S. #1: Journal: Embo J. / Year: 2000 Title: Crystal Structure of a Eukaryote/Archaeon-Like Prolyl-tRNA Synthetase and its Complex with tRNA (Pro)(Cgg) Authors: Yaremchuk, A. / Cusack, S. / Tukalo, M. #2: Journal: Acta Crystallogr.,Sect.D / Year: 2000 Title: Crystallisation and Preliminary X-Ray Diffraction Analysis of Thermus Thermophilus Prolyl-tRNA Synthetase Authors: Yaremchuk, A. / Cusack, S. / Tukalo, M. #3: Journal: Acta Crystallogr.,Sect.D / Year: 2000 Title: Improved Crystals of Thermus Thermophilus Prolyl-tRNA Synthetase Complexed with Cognate tRNA Obtained by Crystallisation from Precipitate Authors: Yaremchuk, A. / Krikliviy, I. / Cusack, S. / Tukalo, M. #4: Journal: Structure / Year: 1997 Title: TRNA(Pro) Recognition by Thermus Thermophilus Prolyl-tRNA Synthetase Authors: Cusack, S. / Yaremchuk, A. / Krikliviy, I. / Tukalo, M. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 1hc7.cif.gz | 385.8 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1hc7.ent.gz | 316.9 KB | Display | PDB format |
| PDBx/mmJSON format | 1hc7.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1hc7_validation.pdf.gz | 456.7 KB | Display | wwPDB validaton report |
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| Full document | 1hc7_full_validation.pdf.gz | 482.3 KB | Display | |
| Data in XML | 1hc7_validation.xml.gz | 72.4 KB | Display | |
| Data in CIF | 1hc7_validation.cif.gz | 101.5 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/hc/1hc7 ftp://data.pdbj.org/pub/pdb/validation_reports/hc/1hc7 | HTTPS FTP |
-Related structure data
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Links
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Assembly
| Deposited unit | ![]()
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| 1 | ![]()
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| 2 | ![]()
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| Unit cell |
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| Noncrystallographic symmetry (NCS) | NCS oper:
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| Details | THERE ARE TWO BIOMOLECULES (DIMERS) IN THE ASYMMTERICUNIT FORMED BY CHAINS A + B AND CHAINS C + D RESPECTIVELY. |
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Components
| #1: Protein | Mass: 54562.965 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Details: PURIFICATION DESCRIBED IN REFERENCE 2 / Source: (natural) ![]() THERMUS THERMOPHILUS (bacteria) / Strain: HB-8 / References: UniProt: Q5SM28*PLUS, proline-tRNA ligase#2: Chemical | ChemComp-ZN / #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: 3.72 Å3/Da / Density % sol: 65 % |
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| Crystal grow | pH: 7.9 / Details: SEE REFERENCE 2, pH 7.90 |
-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: BM14 / Wavelength: 0.826 |
| Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Apr 15, 1997 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.826 Å / Relative weight: 1 |
| Reflection | Resolution: 2.43→15 Å / Num. obs: 117904 / % possible obs: 98.6 % / Redundancy: 3.8 % / Rmerge(I) obs: 0.053 |
| Reflection shell | Resolution: 2.43→2.49 Å / Redundancy: 3.2 % / Rmerge(I) obs: 0.244 / Mean I/σ(I) obs: 2.9 / % possible all: 93.1 |
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Processing
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| Refinement | Method to determine structure: SIRAS / Resolution: 2.43→20 Å / Data cutoff high absF: 10000 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: MLFDetails: TETRAHEDRAL ZINC CO-ORDINATION TO FOUR CYSTEINES WAS RESTRAINED. SIDE-CHAIN ATOMS WITH OCCUPANCY 0 HAVE VERY POOR OR MISSING ELECTRON DENSITY
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| Solvent computation | Solvent model: BULK SOLVENT / Bsol: 38.2446 Å2 / ksol: 0.330525 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 35.4 Å2
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| Refinement step | Cycle: LAST / Resolution: 2.43→20 Å
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THERMUS THERMOPHILUS (bacteria)
X-RAY DIFFRACTION
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