+Open data
-Basic information
Entry | Database: PDB / ID: 4a2r | |||||||||
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Title | Structure of the engineered retro-aldolase RA95.5-5 | |||||||||
Components | INDOLE-3-GLYCEROL PHOSPHATE SYNTHASE | |||||||||
Keywords | LYASE / ENGINEERED ENZYME / DIRECTED EVOLUTION | |||||||||
Function / homology | Function and homology information indole-3-glycerol-phosphate synthase / indole-3-glycerol-phosphate synthase activity / phosphoribosylanthranilate isomerase activity / tryptophan biosynthetic process Similarity search - Function | |||||||||
Biological species | SULFOLOBUS SOLFATARICUS (archaea) | |||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.302 Å | |||||||||
Authors | Giger, L. / Caner, S. / Kast, P. / Baker, D. / Ban, N. / Hilvert, D. | |||||||||
Citation | Journal: Nat.Chem.Biol. / Year: 2013 Title: Evolution of a designed retro-aldolase leads to complete active site remodeling. Authors: Giger, L. / Caner, S. / Obexer, R. / Kast, P. / Baker, D. / Ban, N. / Hilvert, D. | |||||||||
History |
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Remark 700 | SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS BELOW ... SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 8-STRANDED BARREL THIS IS REPRESENTED BY A 9-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. |
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4a2r.cif.gz | 177.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4a2r.ent.gz | 146.3 KB | Display | PDB format |
PDBx/mmJSON format | 4a2r.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 4a2r_validation.pdf.gz | 447.6 KB | Display | wwPDB validaton report |
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Full document | 4a2r_full_validation.pdf.gz | 451.1 KB | Display | |
Data in XML | 4a2r_validation.xml.gz | 14.1 KB | Display | |
Data in CIF | 4a2r_validation.cif.gz | 20 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/a2/4a2r ftp://data.pdbj.org/pub/pdb/validation_reports/a2/4a2r | HTTPS FTP |
-Related structure data
Related structure data | 4a29C 4a2sC 1lblS 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: 29761.305 Da / Num. of mol.: 1 / Fragment: TIM-BARREL FOLD, RESIDUES 1-245 / Mutation: YES Source method: isolated from a genetically manipulated source Details: THE SEQUENCE WAS DESIGNED BASED ON INDOLE-3-GLYCEROL PHOSPHATE SYNTHASE NATURALLY FOUND IN SULFOLOBUS SOLFATARICUS. Source: (gene. exp.) SULFOLOBUS SOLFATARICUS (archaea) / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / Variant (production host): GOLD References: UniProt: Q06121, indole-3-glycerol-phosphate synthase |
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#2: Chemical | ChemComp-3NK / |
#3: Water | ChemComp-HOH / |
Compound details | ENGINEERED RESIDUE IN CHAIN A, LYS 10 TO GLU ENGINEERED RESIDUE IN CHAIN A, PHE 22 TO VAL ...ENGINEERED |
Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.2 Å3/Da / Density % sol: 43.1 % / Description: NONE |
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Crystal grow | Temperature: 301 K / Method: vapor diffusion Details: 0.1 M TRIS PH 8.5, 0.2 M NA2HPO4, 23% W/V PEG3350, 28 DEGREES CELSIUS. |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: SLS / Beamline: X06SA / Wavelength: 1 |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jul 15, 2010 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 1.3→150 Å / Num. obs: 61079 / % possible obs: 98.1 % / Observed criterion σ(I): -3 / Redundancy: 3.4 % / Biso Wilson estimate: 20.84 Å2 / Rmerge(I) obs: 0.02 / Net I/σ(I): 21.6 |
Reflection shell | Resolution: 1.3→1.34 Å / Redundancy: 3.1 % / Rmerge(I) obs: 0.66 / Mean I/σ(I) obs: 2.08 / % possible all: 90.5 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1LBL Resolution: 1.302→7.981 Å / SU ML: 0.25 / σ(F): 1.99 / Phase error: 15.92 / Stereochemistry target values: ML
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Solvent computation | Shrinkage radii: 0.77 Å / VDW probe radii: 0.9 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 80 Å2 / ksol: 0.6 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 35 Å2
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Refinement step | Cycle: LAST / Resolution: 1.302→7.981 Å
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Refine LS restraints |
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LS refinement shell |
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