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Open data
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Basic information
| Entry | Database: PDB / ID: 1h4v | ||||||
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| Title | HISTIDYL-TRNA SYNTHETASE from Thermus Thermophilus (ligand free) | ||||||
Components | HISTIDYL-TRNA SYNTHETASE | ||||||
Keywords | TRNA SYNTHETASE / CLASS IIA AMINOACYL-TRNA SYNTHETASE / ATP + L-HISTIDINE TRNA(HIS)-> AMP + PPI + L-HISTIDYL-TRNA(HIS) | ||||||
| Function / homology | Function and homology informationhistidine-tRNA ligase / histidine-tRNA ligase activity / histidyl-tRNA aminoacylation / ATP binding / cytoplasm Similarity search - Function | ||||||
| Biological species | ![]() THERMUS THERMOPHILUS (bacteria) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.4 Å | ||||||
Authors | Cusack, S. / Yaremchuk, A. / Tukalo, M. | ||||||
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: Biochemistry / Year: 1997Title: Crystal Structure Analysis of the Activation of Histidine by Thermus Thermophilus Histidyl-tRNA Synthetase Authors: Aberg, A. / Yaremchuk, A. / Tukalo, M. / Rasmussen, B. / Cusack, S. | ||||||
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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 | 1h4v.cif.gz | 92.9 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1h4v.ent.gz | 70.2 KB | Display | PDB format |
| PDBx/mmJSON format | 1h4v.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/h4/1h4v ftp://data.pdbj.org/pub/pdb/validation_reports/h4/1h4v | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 1h4qC ![]() 1h4sC ![]() 1h4tC ![]() 1hc7C ![]() 1adjS S: Starting model for refinement C: citing same article ( |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| 1 | ![]()
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| Unit cell |
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Components
| #1: Protein | Mass: 47125.918 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: LIGAND FREE FORM OF THE ENZYME / Source: (natural) ![]() THERMUS THERMOPHILUS (bacteria) / Strain: HB27References: UniProt: P56194, UniProt: P62374*PLUS, histidine-tRNA ligase |
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| #2: Chemical | ChemComp-SO4 / |
| #3: Water | ChemComp-HOH / |
| Sequence details | THE SEQUENCE OF T. THERMOPHILUS HISTIDYL-TRNA SYNTHETASE IS GIVEN IN BIOCHEMISTRY 36, 3084 - 3094, ...THE SEQUENCE OF T. THERMOPHIL |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.76 Å3/Da / Density % sol: 55.4 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Crystal grow | pH: 7 / Details: DESCRIBED IN REFERENCE 1., pH 7.00 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUS Temperature: 295 K / pH: 7.6 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: ID2 / Wavelength: 0.99 |
| Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Apr 15, 1997 / Details: MIRRORS |
| Radiation | Monochromator: SI CRYSTAL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.99 Å / Relative weight: 1 |
| Reflection | Resolution: 2.4→12 Å / Num. obs: 39592 / % possible obs: 86.7 % / Observed criterion σ(I): 0 / Redundancy: 2.2 % / Rmerge(I) obs: 0.074 |
| Reflection shell | Resolution: 2.4→2.46 Å / Redundancy: 1.8 % / Rmerge(I) obs: 0.14 / Mean I/σ(I) obs: 4.9 / % possible all: 72.1 |
| Reflection | *PLUS Num. obs: 17744 / Num. measured all: 39592 |
| Reflection shell | *PLUS % possible obs: 72.1 % / Rmerge(I) obs: 0.137 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 1ADJ Resolution: 2.4→12 Å / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 Details: RESIDUES 57-62 AND 117-120 ARE DISORDERED. OTHER RESIDUES WITH SIDE-CHAIN ATOMS WITH ZERO OCCUPANCY ARE POORLY ORDERED.
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| Solvent computation | Solvent model: FLAT MODEL / Bsol: 45.1 Å2 / ksol: 0.44 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 32.7 Å2
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| Refinement step | Cycle: LAST / Resolution: 2.4→12 Å
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| Xplor file |
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THERMUS THERMOPHILUS (bacteria)
X-RAY DIFFRACTION
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