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Yorodumi- PDB-9j4y: Crystal Structure of the L322F mutant of Omega Transaminase TA_27... -
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Basic information
| Entry | Database: PDB / ID: 9j4y | ||||||
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| Title | Crystal Structure of the L322F mutant of Omega Transaminase TA_2799 from Pseudomonas putida KT2440 | ||||||
 Components | Aminotransferase, class III | ||||||
 Keywords | TRANSFERASE / Omega Transminase / aminotransferase / Pseudomonas / transaminase mutant / thermostability / PLP affinity | ||||||
| Function / homology |  Function and homology informationgamma-aminobutyric acid metabolic process / adenosylmethionine-8-amino-7-oxononanoate transaminase activity / biotin biosynthetic process / pyridoxal phosphate binding Similarity search - Function  | ||||||
| Biological species |  Pseudomonas putida KT2440 (bacteria) | ||||||
| Method |  X-RAY DIFFRACTION /  SYNCHROTRON /  MOLECULAR REPLACEMENT / Resolution: 2.5 Å  | ||||||
 Authors | Das, P. / Bhaumik, P. | ||||||
| Funding support | 1items 
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 Citation |  Journal: J.Biol.Chem. / Year: 2025Title: Structural insights and rational design of Pseudomonasputida KT2440 omega transaminases for enhanced biotransformation of (R)-PAC to (1R, 2S)-Norephedrine. Authors: Das, P. / Noronha, S. / Bhaumik, 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 |  9j4y.cif.gz | 678.9 KB | Display |  PDBx/mmCIF format | 
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| PDB format |  pdb9j4y.ent.gz | 564.1 KB | Display |  PDB format | 
| PDBx/mmJSON format |  9j4y.json.gz | Tree view |  PDBx/mmJSON format | |
| Others |  Other downloads | 
-Validation report
| Summary document |  9j4y_validation.pdf.gz | 540.7 KB | Display |  wwPDB validaton report | 
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| Full document |  9j4y_full_validation.pdf.gz | 571.6 KB | Display | |
| Data in XML |  9j4y_validation.xml.gz | 139.6 KB | Display | |
| Data in CIF |  9j4y_validation.cif.gz | 179.3 KB | Display | |
| Arichive directory |  https://data.pdbj.org/pub/pdb/validation_reports/j4/9j4y ftp://data.pdbj.org/pub/pdb/validation_reports/j4/9j4y | HTTPS FTP  | 
-Related structure data
| Related structure data | ![]() 9j2kC ![]() 9j4zC ![]() 9j50C C: citing same article (  | 
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| Similar structure data | Similarity search - Function & homology  F&H Search | 
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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
-Protein , 1 types, 8 molecules ABCDEFGH       
| #1: Protein | Mass: 49890.633 Da / Num. of mol.: 8 / Mutation: L322F Source method: isolated from a genetically manipulated source Source: (gene. exp.)  Pseudomonas putida KT2440 (bacteria) / Gene: PP_2799 / Production host: ![]()  | 
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-Non-polymers , 5 types, 324 molecules 








| #2: Chemical | ChemComp-PEG / #3: Chemical | ChemComp-EDO / #4: Chemical | ChemComp-SO4 / #5: Chemical |  ChemComp-GOL /  | #6: Water |  ChemComp-HOH /  |  | 
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-Details
| Has ligand of interest | N | 
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| Has protein modification | N | 
-Experimental details
-Experiment
| Experiment | Method:  X-RAY DIFFRACTION / Number of used crystals: 1  | 
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Sample preparation
| Crystal | Density Matthews: 2.48 Å3/Da / Density % sol: 50.4 % | 
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| Crystal grow | Temperature: 291 K / Method: vapor diffusion, sitting drop / pH: 5.5  Details: 0.2M Lithium sulphate, 0.1M bis-Tris pH 5.5, 25% PEG 3350  | 
-Data collection
| Diffraction | Mean temperature: 100 K / Serial crystal experiment: N | 
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| Diffraction source | Source:  SYNCHROTRON / Site:  RRCAT INDUS-2   / Beamline: PX-BL21 / Wavelength: 0.9789 Å | 
| Detector | Type: RAYONIX MX225HE / Detector: CCD / Date: Apr 11, 2023 | 
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | 
| Radiation wavelength | Wavelength: 0.9789 Å / Relative weight: 1 | 
| Reflection | Resolution: 2.5→40 Å / Num. obs: 133254 / % possible obs: 98.8 % / Redundancy: 3.89 % / Rmerge(I) obs: 0.18 / Net I/σ(I): 8.71 | 
| Reflection shell | Resolution: 2.5→2.6 Å / Rmerge(I) obs: 1.18 / Num. unique obs: 14679 | 
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Processing
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| Refinement | Method to determine structure:  MOLECULAR REPLACEMENT / Resolution: 2.5→39.48 Å / Cor.coef. Fo:Fc: 0.95  / Cor.coef. Fo:Fc free: 0.927  / SU B: 12.1  / SU ML: 0.246  / Cross valid method: THROUGHOUT / ESU R: 0.731  / ESU R Free: 0.281  / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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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: 39.907 Å2
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| Refinement step | Cycle: 1  / Resolution: 2.5→39.48 Å
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| Refine LS restraints | 
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About Yorodumi



Pseudomonas putida KT2440 (bacteria)
X-RAY DIFFRACTION
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