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- PDB-3e39: Crystal structure of a putative nitroreductase in complex with fm... -
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Basic information
Entry | Database: PDB / ID: 3.0E+39 | ||||||
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Title | Crystal structure of a putative nitroreductase in complex with fmn (dde_0787) from desulfovibrio desulfuricans subsp. at 1.70 A resolution | ||||||
![]() | Putative Nitroreductase | ||||||
![]() | OXIDOREDUCTASE / Structural genomics / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-2 | ||||||
Function / homology | ![]() | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Joint Center for Structural Genomics (JCSG) | ||||||
![]() | ![]() Title: Crystal structure of Putative Nitroreductase in Complex with FMN (YP_387283.1) from DESULFOVIBRIO DESULFURICANS G20 at 1.70 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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PDBx/mmCIF format | ![]() | 88.7 KB | Display | ![]() |
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PDB format | ![]() | 70.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Similar structure data | |
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Other databases |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Ens-ID: 1 / Beg label comp-ID: ASN / End label comp-ID: PRO / Refine code: 6 / Auth seq-ID: 5 - 174 / Label seq-ID: 6 - 175
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Details | AUTHORS STATE THAT THE PROTOMER MAY FORM A DIMER BASED ON CRYSTAL PACKING ANALYSIS. |
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Components
#1: Protein | Mass: 19604.010 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Gene: YP_387283.1, Dde_0787 / Plasmid: SpeedET / Production host: ![]() ![]() #2: Chemical | #3: Chemical | #4: Chemical | ChemComp-PGE / | #5: Water | ChemComp-HOH / | Sequence details | THE CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH ...THE CONSTRUCT WAS EXPRESSED WITH A PURIFICATI | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.07 Å3/Da / Density % sol: 40.46 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, sitting drop / pH: 4.5 Details: 40.0000% PEG-400, 0.1M Acetate pH 4.5, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K, VAPOR DIFFUSION, SITTING DROP |
-Data collection
Diffraction | Mean temperature: 100 K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Jul 22, 2008 / Details: Vertical focusing mirror | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Monochromator: Single crystal Si(311) bent monochromator (horizontal focusing) Protocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength |
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Reflection | Resolution: 1.7→28.094 Å / Num. obs: 36111 / % possible obs: 96.9 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 13.566 Å2 / Rmerge(I) obs: 0.078 / Net I/σ(I): 8.85 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell |
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-Phasing
Phasing | Method: ![]() |
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Processing
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Refinement | Method to determine structure: ![]() Stereochemistry target values: MAXIMUM LIKELIHOOD WITH PHASES Details: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 2. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE ...Details: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 2. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET INCORPORATION 3. ACETATE AND PGE (PEG400 FRAGMENTS) WERE MODELED BASED ON CRYSTALLIZATION CONDITIONS. 4. COFACTOR FMN WAS FOUND BOUND TO THE PROTEIN.
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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: 10.969 Å2
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Refinement step | Cycle: LAST / Resolution: 1.7→28.094 Å
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Refine LS restraints |
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Refine LS restraints NCS | Dom-ID: 1 / Auth asym-ID: A / Ens-ID: 1 / Number: 2162 / Refine-ID: X-RAY DIFFRACTION
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LS refinement shell | Resolution: 1.7→1.744 Å / Total num. of bins used: 20
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