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Yorodumi- PDB-1wa2: Crystal Structure Of H313Q Mutant Of Alcaligenes Xylosoxidans Nit... -
+Open data
-Basic information
Entry | Database: PDB / ID: 1wa2 | ||||||
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Title | Crystal Structure Of H313Q Mutant Of Alcaligenes Xylosoxidans Nitrite Reductase with nitrite bound | ||||||
Components | DISSIMILATORY COPPER-CONTAINING NITRITE REDUCTASE, | ||||||
Keywords | REDUCTASE / NITRITE REDUCTASE / H313Q MUTANT / NO2 / DENITRIFICATION | ||||||
Function / homology | Function and homology information denitrification pathway / nitrite reductase (NO-forming) / nitrite reductase (NO-forming) activity / nitrate assimilation / periplasmic space / copper ion binding Similarity search - Function | ||||||
Biological species | ALCALIGENES XYLOSOXIDANS (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.72 Å | ||||||
Authors | Barrett, M.L. / Harris, R.L. / Antonyuk, S.V. / Strange, R.W. / Hough, M.A. / Eady, R.R. / Sawers, G. / Hasnain, S.S. | ||||||
Citation | Journal: Biochemistry / Year: 2004 Title: Insights Into Redox Partner Interactions and Substrate Binding in Nitrite Reductase from Alcaligenes Xylosoxidans: Crystal Structures of the Trp138His and His313Gln Mutants Authors: Barrett, M.L. / Harris, R.L. / Antonyuk, S.V. / Hough, M.A. / Ellis, M.J. / Sawers, G. / Eady, R.R. / Hasnain, S.S. | ||||||
History |
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Remark 700 | SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN ... SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, TWO SHEETS ARE DEFINED. |
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1wa2.cif.gz | 88.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1wa2.ent.gz | 64.5 KB | Display | PDB format |
PDBx/mmJSON format | 1wa2.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1wa2_validation.pdf.gz | 454.5 KB | Display | wwPDB validaton report |
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Full document | 1wa2_full_validation.pdf.gz | 455.5 KB | Display | |
Data in XML | 1wa2_validation.xml.gz | 17.8 KB | Display | |
Data in CIF | 1wa2_validation.cif.gz | 26.9 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/wa/1wa2 ftp://data.pdbj.org/pub/pdb/validation_reports/wa/1wa2 | HTTPS FTP |
-Related structure data
Related structure data | 1wa0C 1wa1C 1oe1S 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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Unit cell |
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Components on special symmetry positions |
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-Components
-Protein , 1 types, 1 molecules X
#1: Protein | Mass: 36560.512 Da / Num. of mol.: 1 / Mutation: YES Source method: isolated from a genetically manipulated source Source: (gene. exp.) ALCALIGENES XYLOSOXIDANS (bacteria) / Variant: XYLOSOXIDANS / Plasmid: PENIRSP-1 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: O68601 |
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-Non-polymers , 6 types, 337 molecules
#2: Chemical | #3: Chemical | #4: Chemical | ChemComp-NO2 / | #5: Chemical | ChemComp-SO4 / | #6: Chemical | ChemComp-MES / | #7: Water | ChemComp-HOH / | |
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-Details
Compound details | ENGINEERED |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 3.05 Å3/Da / Density % sol: 59.4 % |
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Crystal grow | Temperature: 294 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: CRYSTALS OF HIS313GLN NIR WERE GROWN BY THE HANGING-DROP VAPOUR DIFFUSION METHOD AT 21OC. 2ML OF 6-8 MG ML-1 PROTEIN IN 10 MM TRIS-HCL PH 7.1 WAS MIXED WITH AN EQUAL VOLUME OF RESERVOIR ...Details: CRYSTALS OF HIS313GLN NIR WERE GROWN BY THE HANGING-DROP VAPOUR DIFFUSION METHOD AT 21OC. 2ML OF 6-8 MG ML-1 PROTEIN IN 10 MM TRIS-HCL PH 7.1 WAS MIXED WITH AN EQUAL VOLUME OF RESERVOIR SOLUTION CONSISTING OF 25% PEG-MME 550, 10 MM ZINC SULPHATE, 0.1M MES PH 6.5 AND SUSPENDED OVER A 500 ML RESERVOIR. CRYSTALS OF BOTH MUTANTS WERE AN INTENSE BLUE COLOUR AND GREW WITHIN TWO DAYS TO APPROXIMATE DIMENSIONS 0.9 X 0.6 X 0.1 MM IN A RHOMBOHEDRAL MORPHOLOGY. FOR HIS313GLN_NO2.-, 10MM SODIUM NITRITE WAS ADDED TO THE RESERVOIR SOLUTION PRIOR TO CRYSTALLISATION. |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: SRS / Beamline: PX14.1 / Wavelength: 1.48 |
Detector | Type: ADSC CCD / Detector: CCD / Details: MIRRORS |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.48 Å / Relative weight: 1 |
Reflection | Resolution: 1.72→60 Å / Num. obs: 44676 / % possible obs: 97.5 % / Biso Wilson estimate: 18.8 Å2 / Rmerge(I) obs: 0.09 / Net I/σ(I): 8.7 |
Reflection shell | Resolution: 1.72→1.75 Å / Rmerge(I) obs: 0.42 / Mean I/σ(I) obs: 3 / % possible all: 98.4 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1OE1 Resolution: 1.72→37.53 Å / Cor.coef. Fo:Fc: 0.957 / SU B: 1.867 / SU ML: 0.059 / Cross valid method: THROUGHOUT / ESU R: 0.097 / 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: 1.4 Å / Solvent model: BABINET MODEL WITH MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 22.72 Å2
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Refinement step | Cycle: LAST / Resolution: 1.72→37.53 Å
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Refine LS restraints |
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