+Open data
-Basic information
Entry | Database: PDB / ID: 1atg | ||||||
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Title | AZOTOBACTER VINELANDII PERIPLASMIC MOLYBDATE-BINDING PROTEIN | ||||||
Components | PERIPLASMIC MOLYBDATE-BINDING PROTEIN | ||||||
Keywords | BINDING PROTEIN / MOLYBDATE / TUNGSTATE / PERIPLASM / ABC TRANSPORTER | ||||||
Function / homology | Function and homology information | ||||||
Biological species | Azotobacter vinelandii (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / SINGLE ISOMORPHOUS REPLACEMENT WITH ANOMALOUS SCATTERING / Resolution: 1.2 Å | ||||||
Authors | Lawson, D.M. / Pau, R.N. / Williams, C.E.M. / Mitchenall, L.A. | ||||||
Citation | Journal: Structure / Year: 1998 Title: Ligand size is a major determinant of specificity in periplasmic oxyanion-binding proteins: the 1.2 A resolution crystal structure of Azotobacter vinelandii ModA. Authors: Lawson, D.M. / Williams, C.E. / Mitchenall, L.A. / Pau, R.N. #1: Journal: J.Chem.Soc.,Dalton Trans. / Year: 1997 Title: Protein Ligands for Molybdate. Specificity and Charge Stabilisation at the Anion-Binding Sites of Periplasmic and Intracellular Molybdate-Binding Proteins of Azotobacter Vinelandii Authors: Lawson, D.M. / Williams, C.E.M. / White, D.J. / Choay, A.P. / Mitchenall, L.A. / Pau, R.N. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1atg.cif.gz | 65.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1atg.ent.gz | 47 KB | Display | PDB format |
PDBx/mmJSON format | 1atg.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/at/1atg ftp://data.pdbj.org/pub/pdb/validation_reports/at/1atg | HTTPS FTP |
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-Related structure data
Similar structure data |
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-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
-Protein , 1 types, 1 molecules A
#1: Protein | Mass: 24390.729 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Azotobacter vinelandii (bacteria) / Cellular location: PERIPLASM / Strain: RP2 / References: UniProt: Q7SIH2 |
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-Non-polymers , 5 types, 360 molecules
#2: Chemical | ChemComp-WO4 / | ||
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#3: Chemical | ChemComp-ACT / | ||
#4: Chemical | ChemComp-SO4 / | ||
#5: Chemical | #6: 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: 2.54 Å3/Da / Density % sol: 51 % | ||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 4 Details: HANGING DROP VAPOUR DIFFUSION WITH PROTEIN CONCENTRATION IN THE RANGE 10-15 MG/ML IN 10MM TRIS-HCL PH 7.0. 1 OR 2 MICROLITER DROPS OF THE LATTER WERE MIXED WITH AN EQUAL VOLUME OF 11-14% ...Details: HANGING DROP VAPOUR DIFFUSION WITH PROTEIN CONCENTRATION IN THE RANGE 10-15 MG/ML IN 10MM TRIS-HCL PH 7.0. 1 OR 2 MICROLITER DROPS OF THE LATTER WERE MIXED WITH AN EQUAL VOLUME OF 11-14% (W/V) PEG 4000 AND 0.4M AMMONIUM SULFATE IN 0.1M ACETATE BUFFER AT PH 4.0, AND THEN EQUILIBRATED AGAINST THIS SOLUTION AT 18 DEG C. CRYOPROTECTED USING THE SAME SOLUTION CONTAINING 25% (V/V) ETHYLENE GLYCOL., vapor diffusion - hanging drop, temperature 291K PH range: 4.0-7.0 | ||||||||||||||||||||||||||||||||||||||||||
Crystal | *PLUS | ||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 18 ℃ / pH: 7 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X11 / Wavelength: 0.9116 |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Sep 1, 1996 / Details: MIRRORS |
Radiation | Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9116 Å / Relative weight: 1 |
Reflection | Resolution: 1.2→100 Å / Num. obs: 74061 / % possible obs: 99.4 % / Observed criterion σ(I): 0 / Redundancy: 3.7 % / Rmerge(I) obs: 0.094 / Net I/σ(I): 12.7 |
Reflection shell | Resolution: 1.2→1.22 Å / Redundancy: 3.2 % / Rmerge(I) obs: 0.161 / Mean I/σ(I) obs: 6.9 / % possible all: 99.1 |
-Processing
Software |
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Refinement | Method to determine structure: SINGLE ISOMORPHOUS REPLACEMENT WITH ANOMALOUS SCATTERING Resolution: 1.2→40 Å / Cross valid method: THROUGHOUT / σ(F): 0 Details: LUZZATI ESD BASED ON TEST REFLECTIONS ONLY. PLANE RESTRAINT RMS BASED ON NON-AROMATIC PLANAR GROUPS ONLY.
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Refine analyze | Luzzati coordinate error obs: 0.13 Å / Luzzati d res low obs: 5 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.2→40 Å
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Refine LS restraints |
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Software | *PLUS Name: REFMAC / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Rfactor obs: 0.164 / Rfactor Rfree: 0.18354 / Rfactor Rwork: 0.1644 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS |