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Open data
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Basic information
| Entry | Database: PDB / ID: 1alj | ||||||
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| Title | ALKALINE PHOSPHATASE MUTANT (H412N) | ||||||
Components | ALKALINE PHOSPHATASE | ||||||
Keywords | HYDROLASE (PHOSPHORIC MONOESTER) / TRANSFERASE (PHOSPHO / ALCOHOL ACCEPTOR) | ||||||
| Function / homology | Function and homology informationoxidoreductase activity, acting on phosphorus or arsenic in donors / alkaline phosphatase / alkaline phosphatase activity / hydrogenase (acceptor) activity / phosphoprotein phosphatase activity / protein dephosphorylation / outer membrane-bounded periplasmic space / periplasmic space / magnesium ion binding / zinc ion binding Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / Resolution: 2.6 Å | ||||||
Authors | Ma, L. / Tibbitts, T.T. / Kantrowitz, E.R. | ||||||
Citation | Journal: Protein Sci. / Year: 1995Title: Escherichia coli alkaline phosphatase: X-ray structural studies of a mutant enzyme (His-412-->Asn) at one of the catalytically important zinc binding sites. Authors: Ma, L. / Tibbitts, T.T. / Kantrowitz, E.R. #1: Journal: J.Mol.Biol. / Year: 1991Title: Reaction Mechanism of Alkaline Phosphatase Based on Crystal Structures. Two Metal Ion Catalysis Authors: Kim, E.E. / Wyckoff, H.W. #2: Journal: J.Biol.Chem. / Year: 1994Title: Mutations at Histidine 412 Alter Zinc Binding and Eliminate Transferase Activity in Escherichia Coli Alkaline Phosphatase Authors: Ma, L. / Kantrowitz, E.R. | ||||||
| History |
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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 | 1alj.cif.gz | 176 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1alj.ent.gz | 139.7 KB | Display | PDB format |
| PDBx/mmJSON format | 1alj.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/al/1alj ftp://data.pdbj.org/pub/pdb/validation_reports/al/1alj | HTTPS FTP |
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-Related structure data
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Links
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Assembly
| Deposited unit | ![]()
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| 1 |
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| Unit cell |
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| Details | THERE IS A DIMER (IDENTICAL CHAINS OF 449 RESIDUES) PER ASYMMETRIC UNIT. THESE SUBUNITS, DESIGNATED "A" AND "B". THE FIRST THREE RESIDUES WERE DELETED DURING THE REFINEMENT. |
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Components
| #1: Protein | Mass: 47070.355 Da / Num. of mol.: 2 / Mutation: H412N Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #2: Chemical | #3: Chemical | #4: Chemical | #5: Water | ChemComp-HOH / | Has protein modification | Y | |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION |
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Sample preparation
| Crystal | Density Matthews: 3.31 Å3/Da / Density % sol: 62.79 % | ||||||||||||||||||||||||
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| Crystal grow | Details: THIS ENTRY IS A MUTANT ALKALINE PHOSPHATE (H412N) IN WHICH HIS 412 IS REPLACED BY ASN, DETERMINED WITH CRYSTALS SOAKED IN STABILIZATION BUFFER CONTAINING NO ADDED ZINC. THERE IS ONE ZINC AND ...Details: THIS ENTRY IS A MUTANT ALKALINE PHOSPHATE (H412N) IN WHICH HIS 412 IS REPLACED BY ASN, DETERMINED WITH CRYSTALS SOAKED IN STABILIZATION BUFFER CONTAINING NO ADDED ZINC. THERE IS ONE ZINC AND ONE MAGNESIUM COMPLEXED WITH INORGANIC PHOSPHATE BOUND IN EACH OF THE TWO ACTIVE SITES. | ||||||||||||||||||||||||
| Crystal grow | *PLUS pH: 9.5 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction source | Wavelength: 1.54 |
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| Detector | Type: ADSC / Detector: AREA DETECTOR / Date: May 14, 1993 |
| Radiation | Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1.54 Å / Relative weight: 1 |
| Reflection | Resolution: 2.5→26.3 Å / Num. obs: 36882 / % possible obs: 98.4 % / Observed criterion σ(I): 3 / Redundancy: 4.6 % / Rmerge(I) obs: 0.108 |
| Reflection | *PLUS Rmerge(I) obs: 0.108 |
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Processing
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| Refinement | Resolution: 2.6→8 Å / σ(F): 0 /
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| Refine analyze | Luzzati coordinate error obs: 0.27 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 2.6→8 Å
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| Refine LS restraints |
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| Software | *PLUS Name: X-PLOR / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS
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