+ Open data
Open data
- Basic information
Basic information
| Entry | Database: PDB / ID: 1kmm | ||||||
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| Title | HISTIDYL-TRNA SYNTHETASE COMPLEXED WITH HISTIDYL-ADENYLATE | ||||||
|  Components | HISTIDYL-TRNA SYNTHETASE | ||||||
|  Keywords | AMINOACYL-TRNA SYNTHASE / LIGASE / SYNTHETASE | ||||||
| Function / homology |  Function and homology information histidine-tRNA ligase / histidine-tRNA ligase activity / histidyl-tRNA aminoacylation / protein homodimerization activity / ATP binding / cytosol Similarity search - Function | ||||||
| Biological species |   Escherichia coli (E. coli) | ||||||
| Method |  X-RAY DIFFRACTION /  SYNCHROTRON / Resolution: 2.6 Å | ||||||
|  Authors | Arnez, J.G. / Francklyn, C.S. / Moras, D. | ||||||
|  Citation |  Journal: Proc.Natl.Acad.Sci.USA / Year: 1997 Title: The first step of aminoacylation at the atomic level in histidyl-tRNA synthetase. Authors: Arnez, J.G. / Augustine, J.G. / Moras, D. / Francklyn, C.S. #1:   Journal: Embo J. / Year: 1995 Title: Crystal Structure of Histidyl-tRNA Synthetase from Escherichia Coli Complexed with Histidyl-Adenylate Authors: Arnez, J.G. / Harris, D.C. / Mitschler, A. / Rees, B. / Francklyn, C.S. / Moras, D. #2:   Journal: J.Mol.Biol. / Year: 1994 Title: Crystallization of Histidyl-tRNA Synthetase from Escherichia Coli Authors: Francklyn, C. / Harris, D. / Moras, D. #3:   Journal: J.Biol.Chem. / Year: 1985 Title: Primary Structure of Histidine-tRNA Synthetase and Characterization of Hiss Transcripts Authors: Freedman, R. / Gibson, B. / Donovan, D. / Biemann, K. / Eisenbeis, S. / Parker, J. / Schimmel, P. | ||||||
| History | 
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- Structure visualization
Structure visualization
| Structure viewer | Molecule:  Molmil  Jmol/JSmol | 
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- Downloads & links
Downloads & links
- Download
Download
| PDBx/mmCIF format |  1kmm.cif.gz | 358.8 KB | Display |  PDBx/mmCIF format | 
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| PDB format |  pdb1kmm.ent.gz | 290.8 KB | Display |  PDB format | 
| PDBx/mmJSON format |  1kmm.json.gz | Tree view |  PDBx/mmJSON format | |
| Others |  Other downloads | 
-Validation report
| Summary document |  1kmm_validation.pdf.gz | 1.5 MB | Display |  wwPDB validaton report | 
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| Full document |  1kmm_full_validation.pdf.gz | 1.5 MB | Display | |
| Data in XML |  1kmm_validation.xml.gz | 35.6 KB | Display | |
| Data in CIF |  1kmm_validation.cif.gz | 53.1 KB | Display | |
| Arichive directory |  https://data.pdbj.org/pub/pdb/validation_reports/km/1kmm  ftp://data.pdbj.org/pub/pdb/validation_reports/km/1kmm | HTTPS FTP | 
-Related structure data
- Links
Links
- Assembly
Assembly
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| 2 |  
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| Unit cell | 
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| Noncrystallographic symmetry (NCS) | NCS oper: 
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- Components
Components
| #1: Protein | Mass: 47085.316 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.)   Escherichia coli (E. coli) / Strain: JM109 / Description: INDUCTION WITH IPTG / Plasmid: PHRS-7 / Gene (production host): HISS / Production host:   Escherichia coli (E. coli) / Variant (production host): TRP-LAC / References: UniProt: P60906, histidine-tRNA ligase #2: Chemical | ChemComp-HAM / #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
Sample preparation
| Crystal | Density Matthews: 3.4 Å3/Da / Density % sol: 68 % Description: MERGED DATA SET DATA SCALING SOFTWARE : MARSCALE | ||||||||||||||||||||||||||||||||||||||||
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| Crystal grow | pH: 7.4 / Details: pH 7.4 | ||||||||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUSTemperature: 20 ℃ / Method: vapor diffusion, hanging drop Details: drop solution was mixed with an equal volume of reservoir solution | ||||||||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS 
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-Data collection
| Diffraction | 
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| Diffraction source | 
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| Detector | 
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| Radiation | 
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| Radiation wavelength | 
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| Reflection | Resolution: 2.6→12 Å / Num. obs: 66471 / % possible obs: 85.4 % / Observed criterion σ(I): 0 / Redundancy: 2.7 % / Biso Wilson estimate: 69.7 Å2 / Rmerge(I) obs: 0.0956 / Net I/σ(I): 24 | ||||||||||||||||||||||||
| Reflection shell | Resolution: 2.6→2.7 Å / Redundancy: 1.2 % / Rmerge(I) obs: 0.19 / Mean I/σ(I) obs: 4 / % possible all: 47.5 | ||||||||||||||||||||||||
| Reflection | *PLUSNum. measured all: 183629 | ||||||||||||||||||||||||
| Reflection shell | *PLUS% possible obs: 47.5 % | 
- Processing
Processing
| Software | 
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| Refinement | Resolution: 2.6→12 Å / σ(F): 3 
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| Displacement parameters | Biso mean: 46.8 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine analyze | Luzzati coordinate error obs: 0.4 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 2.6→12 Å 
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| Refine LS restraints | 
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| LS refinement shell | Resolution: 2.6→2.72 Å / Total num. of bins used: 8 
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| Software | *PLUSName:  X-PLOR / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS 
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| LS refinement shell | *PLUSRfactor obs: 0.353 | 
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