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- PDB-2a9v: Crystal structure of a putative gmp synthase subunit a protein (t... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2a9v | ||||||
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Title | Crystal structure of a putative gmp synthase subunit a protein (ta0944m) from thermoplasma acidophilum at 2.45 A resolution | ||||||
![]() | GMP synthase | ||||||
![]() | LIGASE / Structural genomics / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-2 | ||||||
Function / homology | ![]() GMP synthase (glutamine-hydrolyzing) activity / GMP synthase (glutamine-hydrolysing) / glutamine metabolic process / ATP binding Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() ![]() ![]() | ||||||
![]() | Joint Center for Structural Genomics (JCSG) | ||||||
![]() | ![]() Title: Crystal structure of (np_394403.1) from THERMOPLASMA ACIDOPHILUM at 2.45 A resolution Authors: Joint Center for Structural Genomics (JCSG) | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 171.8 KB | Display | ![]() |
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PDB format | ![]() | 134.8 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 484.4 KB | Display | ![]() |
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Full document | ![]() | 489.8 KB | Display | |
Data in XML | ![]() | 31.6 KB | Display | |
Data in CIF | ![]() | 44.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1qdlS S: Starting model for refinement |
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Similar structure data | |
Other databases |
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Links
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Assembly
Deposited unit | ![]()
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2 | ![]()
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3 | ![]()
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4 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 24100.541 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: Q9HJM3, GMP synthase (glutamine-hydrolysing) #2: Chemical | ChemComp-SCN / #3: Chemical | ChemComp-GOL / #4: Chemical | ChemComp-CL / | #5: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2 Å3/Da / Density % sol: 37.99 % Description: THE SELENIUM SUBSTRUCTURE WAS SOLVED INITIALLY FROM AN ANOMALOUS DIFFERENCE FOURIER BASED ON A PREVIOUS MOLECULAR REPLACEMENT SOLUTION. THE PHASES WERE THEN REFINED IN SHARP. THE BEST ...Description: THE SELENIUM SUBSTRUCTURE WAS SOLVED INITIALLY FROM AN ANOMALOUS DIFFERENCE FOURIER BASED ON A PREVIOUS MOLECULAR REPLACEMENT SOLUTION. THE PHASES WERE THEN REFINED IN SHARP. THE BEST WARPNTRACE RESULT WAS GENERATED FROM THE MOLECULAR REPLACEMENT MODEL, USING THE MAD PHASES AS PHASE RESTRAINTS FOR REFMAC WITH THE MLHL TARGET.THE SUBSTRUCTURE CAN BE DETERMINED DE NOVO USING SHELXD AND AUTOSHARP. HOWEVER, THE TRACING RESULT IS NOT AS GOOD AS THE TRACE OBTAINED WITH BOTH MAD AND MOLECULAR REPLACEMENT CONTRIBUTIONS. |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop, nanodrop Details: 22.00% PEG 3350, 0.20M NP_Sodium Thiocyanate, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Feb 25, 2005 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Protocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength |
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Reflection | Resolution: 2.24→66.27 Å / Num. obs: 29096 / % possible obs: 78.6 % / Redundancy: 3.2 % / Rmerge(I) obs: 0.053 / Rsym value: 0.053 / Net I/σ(I): 9 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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-Phasing
Phasing | Method: ![]() |
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Processing
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Refinement | Method to determine structure: ![]() ![]() Starting model: 1qdl Resolution: 2.24→66.27 Å / Cor.coef. Fo:Fc: 0.953 / Cor.coef. Fo:Fc free: 0.9 / SU B: 12.757 / SU ML: 0.157 / Cross valid method: THROUGHOUT / ESU R: 0.952 / ESU R Free: 0.295 Stereochemistry target values: MAXIMUM LIKELIHOOD WITH PHASES Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. THE NOMINAL RESOLUTION IS 2.45 A WITH 3445 OBSERVED REFLECTIONS BETWEEN 2.45-2.24 (40.4% COMPLETE FOR THIS SHELL) INCLUDED IN THE REFINEMENT.
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 25.529 Å2
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Refinement step | Cycle: LAST / Resolution: 2.24→66.27 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.24→2.298 Å / Total num. of bins used: 20
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