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Open data
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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 informationhistidine-tRNA ligase / histidine-tRNA ligase activity / histidyl-tRNA aminoacylation / protein homodimerization activity / ATP binding / cytosol Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| 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: 1997Title: 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: 1995Title: 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: 1994Title: Crystallization of Histidyl-tRNA Synthetase from Escherichia Coli Authors: Francklyn, C. / Harris, D. / Moras, D. #3: Journal: J.Biol.Chem. / Year: 1985Title: 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. | ||||||
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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 | 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
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Links
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Assembly
| Deposited unit | ![]()
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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
| #1: Protein | Mass: 47085.316 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #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
| 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 | *PLUS Temperature: 20 ℃ / Method: vapor diffusion, hanging dropDetails: drop solution was mixed with an equal volume of reservoir solution | ||||||||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
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| Radiation |
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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 | *PLUS Num. measured all: 183629 | ||||||||||||||||||||||||
| Reflection shell | *PLUS % possible obs: 47.5 % |
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Processing
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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 | *PLUS Name: X-PLOR / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS
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| LS refinement shell | *PLUS Rfactor obs: 0.353 |
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