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Yorodumi- PDB-1cg4: STRUCTURE OF THE MUTANT (R303L) OF ADENYLOSUCCINATE SYNTHETASE FR... -
+Open data
-Basic information
Entry | Database: PDB / ID: 1cg4 | ||||||
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Title | STRUCTURE OF THE MUTANT (R303L) OF ADENYLOSUCCINATE SYNTHETASE FROM E. COLI COMPLEXED WITH, GDP, 6-PHOSPHORYL-IMP, AND MG2+ | ||||||
Components | PROTEIN (ADENYLOSUCCINATE SYNTHETASE) | ||||||
Keywords | LIGASE / GTP-HYDROLYSING ENZYMES / PURINE 2 NUCLEOTIDE BIOSYNTHESIS / 6-PHOSPORYL-IMP | ||||||
Function / homology | Function and homology information adenylosuccinate synthase / adenylosuccinate synthase activity / adenosine biosynthetic process / IMP metabolic process / 'de novo' AMP biosynthetic process / nucleobase-containing small molecule interconversion / purine nucleotide biosynthetic process / guanosine tetraphosphate binding / DNA damage response / GTP binding ...adenylosuccinate synthase / adenylosuccinate synthase activity / adenosine biosynthetic process / IMP metabolic process / 'de novo' AMP biosynthetic process / nucleobase-containing small molecule interconversion / purine nucleotide biosynthetic process / guanosine tetraphosphate binding / DNA damage response / GTP binding / magnesium ion binding / membrane / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | Escherichia coli K12 (bacteria) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.5 Å | ||||||
Authors | Choe, J.Y. / Poland, B.W. / Fromm, H. / Honzatko, R. | ||||||
Citation | Journal: Biochemistry / Year: 1999 Title: Mechanistic implications from crystalline complexes of wild-type and mutant adenylosuccinate synthetases from Escherichia coli. Authors: Choe, J.Y. / Poland, B.W. / Fromm, H.J. / Honzatko, R.B. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1cg4.cif.gz | 101.9 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1cg4.ent.gz | 75.9 KB | Display | PDB format |
PDBx/mmJSON format | 1cg4.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/cg/1cg4 ftp://data.pdbj.org/pub/pdb/validation_reports/cg/1cg4 | HTTPS FTP |
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-Related structure data
Related structure data | 1cg0C 1cg1C 1cg3C 1gimS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 47225.559 Da / Num. of mol.: 1 / Mutation: R303L Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli K12 (bacteria) / Species: Escherichia coli / Strain: K-12 / Plasmid: pTrc99A / Production host: Escherichia coli (E. coli) / Strain (production host): PUR A- STRAIN H1238 / References: UniProt: P0A7D4, adenylosuccinate synthase |
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#2: Chemical | ChemComp-MG / |
#3: Chemical | ChemComp-IMO / |
#4: Chemical | ChemComp-GDP / |
#5: 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: 3.1 Å3/Da / Density % sol: 60.36 % | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | pH: 6.5 / Details: 13% PEG 8000, 100MM NA-CACODYLATE(PH 6.5) | ||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS pH: 7 / Method: vapor diffusion, hanging dropDetails: drop consists of equal volume of enzyme and reservoir solutions | ||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 120 K |
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Diffraction source | Source: ROTATING ANODE / Type: SIEMENS / Wavelength: 1.5418 |
Detector | Type: SIEMENS / Detector: AREA DETECTOR / Date: May 1, 1997 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.5→50 Å / Num. obs: 26203 / % possible obs: 99 % / Redundancy: 2.5 % / Rmerge(I) obs: 0.107 |
Reflection shell | Resolution: 2.5→2.7 Å / % possible all: 99 |
Reflection | *PLUS Num. measured all: 185165 |
Reflection shell | *PLUS % possible obs: 99 % |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 1GIM Resolution: 2.5→5 Å / Rfactor Rfree error: 0.0056 / Data cutoff low absF: 0 / Cross valid method: THROUGHOUT / σ(F): 0
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Displacement parameters | Biso mean: 35 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.5→5 Å
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Refine LS restraints |
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Xplor file |
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Software | *PLUS Name: X-PLOR / Version: 3.851 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Rfactor obs: 0.179 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS |