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Yorodumi- PDB-2qmu: Structure of an archaeal heterotrimeric initiation factor 2 revea... -
+Open data
-Basic information
Entry | Database: PDB / ID: 2qmu | ||||||
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Title | Structure of an archaeal heterotrimeric initiation factor 2 reveals a nucleotide state between the GTP and the GDP states | ||||||
Components | (Translation initiation factor 2 ...Initiation factor) x 3 | ||||||
Keywords | TRANSLATION / initiation of translation / GTP-binding / Initiation factor / Nucleotide-binding / Protein biosynthesis / RNA-binding | ||||||
Function / homology | Function and homology information protein-synthesizing GTPase / formation of translation preinitiation complex / formation of cytoplasmic translation initiation complex / translation elongation factor activity / translational initiation / translation initiation factor activity / ribosome binding / tRNA binding / GTPase activity / GTP binding ...protein-synthesizing GTPase / formation of translation preinitiation complex / formation of cytoplasmic translation initiation complex / translation elongation factor activity / translational initiation / translation initiation factor activity / ribosome binding / tRNA binding / GTPase activity / GTP binding / RNA binding / metal ion binding Similarity search - Function | ||||||
Biological species | Sulfolobus solfataricus (archaea) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.2 Å | ||||||
Authors | Yatime, L. / Mechulam, Y. / Blanquet, S. / Schmitt, E. | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.Usa / Year: 2007 Title: Structure of an archaeal heterotrimeric initiation factor 2 reveals a nucleotide state between the GTP and the GDP states. Authors: Yatime, L. / Mechulam, Y. / Blanquet, S. / Schmitt, E. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 2qmu.cif.gz | 138.1 KB | Display | PDBx/mmCIF format |
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PDB format | pdb2qmu.ent.gz | 106.7 KB | Display | PDB format |
PDBx/mmJSON format | 2qmu.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qm/2qmu ftp://data.pdbj.org/pub/pdb/validation_reports/qm/2qmu | HTTPS FTP |
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-Related structure data
Related structure data | 2qn6C 2ahoS C: citing same article (ref.) S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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2 |
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Unit cell |
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-Components
-Translation initiation factor 2 ... , 3 types, 3 molecules ABC
#1: Protein | Mass: 45718.035 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Sulfolobus solfataricus (archaea) / Strain: P2 / Gene: eif2g / Plasmid: pET3alpa / Production host: Escherichia coli (E. coli) / Strain (production host): Rosetta-De3 / References: UniProt: Q980A5 |
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#2: Protein | Mass: 10440.162 Da / Num. of mol.: 1 / Fragment: aif2-alpha3 domain Source method: isolated from a genetically manipulated source Source: (gene. exp.) Sulfolobus solfataricus (archaea) / Strain: P2 / Gene: eif2a / Plasmid: pET3alpa / Production host: Escherichia coli (E. coli) / Strain (production host): Rosetta-De3 / References: UniProt: Q97Z79 |
#3: Protein | Mass: 15811.545 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Sulfolobus solfataricus (archaea) / Strain: P2 / Gene: eif2b / Plasmid: pET3alpa / Production host: Escherichia coli (E. coli) / Strain (production host): Rosetta-De3 / References: UniProt: Q97W59 |
-Non-polymers , 4 types, 4 molecules
#4: Chemical | ChemComp-PO4 / |
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#5: Chemical | ChemComp-GDP / |
#6: Chemical | ChemComp-ZN / |
#7: 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: 4.52 Å3/Da / Density % sol: 72.77 % |
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Crystal grow | Temperature: 297 K / Method: vapor diffusion, sitting drop / pH: 7.5 Details: 1.6M ammonium citrate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 297K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: ID23-1 / Wavelength: 1.007 Å |
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Jun 23, 2006 |
Radiation | Monochromator: CRYSTAL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.007 Å / Relative weight: 1 |
Reflection | Resolution: 3.2→50 Å / Num. all: 21823 / Num. obs: 21823 / % possible obs: 98.7 % / Redundancy: 4.3 % / Biso Wilson estimate: 66 Å2 / Rsym value: 0.111 / Net I/σ(I): 8.9 |
Reflection shell | Resolution: 3.2→3.3 Å / Redundancy: 4.5 % / Mean I/σ(I) obs: 3.6 / Num. unique all: 1900 / Rsym value: 0.338 / % possible all: 99.9 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: chain A from 2AHO Resolution: 3.2→50 Å / Isotropic thermal model: isotropic / Cross valid method: THROUGHOUT / σ(F): 2 / Stereochemistry target values: Engh & Huber
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Displacement parameters | Biso mean: 66.3 Å2
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Refinement step | Cycle: LAST / Resolution: 3.2→50 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 3.2→3.25 Å /
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