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Open data
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Basic information
| Entry | Database: PDB / ID: 1hqa | ||||||
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| Title | ALKALINE PHOSPHATASE (H412Q) | ||||||
Components | ALKALINE PHOSPHATASE | ||||||
Keywords | HYDROLASE (ALKALINE PHOSPHATASE) / 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: 2.25 Å | ||||||
Authors | Ma, L. / Kantrowitz, E.R. | ||||||
Citation | Journal: Biochemistry / Year: 1996Title: Kinetic and X-ray structural studies of a mutant Escherichia coli alkaline phosphatase (His-412-->Gln) at one of the zinc binding sites. Authors: Ma, L. / Kantrowitz, E.R. #1: 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. #2: Journal: J.Mol.Biol. / Year: 1994Title: Mutations at Histidine 412 Alter Zinc Binding and Eliminate Transferase Activity in Escherichia Coli Alkaline Phosphatase Authors: Ma, L. / Kantrowitz, E.R. #3: 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. | ||||||
| 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 | 1hqa.cif.gz | 180 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1hqa.ent.gz | 142.7 KB | Display | PDB format |
| PDBx/mmJSON format | 1hqa.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1hqa_validation.pdf.gz | 374.9 KB | Display | wwPDB validaton report |
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| Full document | 1hqa_full_validation.pdf.gz | 386.7 KB | Display | |
| Data in XML | 1hqa_validation.xml.gz | 18.4 KB | Display | |
| Data in CIF | 1hqa_validation.cif.gz | 30.7 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/hq/1hqa ftp://data.pdbj.org/pub/pdb/validation_reports/hq/1hqa | HTTPS FTP |
-Related structure data
| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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Components
| #1: Protein | Mass: 47084.383 Da / Num. of mol.: 2 / Mutation: H412Q Source method: isolated from a genetically manipulated source Details: CRYSTALLIZED FROM 55% SATURATING (NH4)2SO4, 100 MM TRIS, 10 MM MGCL2 10 MM ZNCL2, 2 MM NAH2PO4, PH 7.5 Source: (gene. exp.) ![]() ![]() #2: Chemical | ChemComp-ZN / #3: 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: 3.32 Å3/Da / Density % sol: 62.91 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Crystal grow | pH: 7.5 / Details: pH 7.5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUS pH: 9.5 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction | Mean temperature: 275 K |
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| Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418 |
| Detector | Type: XUONG-HAMLIN MULTIWIRE / Detector: AREA DETECTOR / Date: Aug 10, 1994 |
| Radiation | Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
| Reflection | Resolution: 2.2→40.9 Å / Num. obs: 58551 / % possible obs: 98 % / Observed criterion σ(I): 3 / Redundancy: 2.9 % / Rmerge(I) obs: 0.081 |
| Reflection | *PLUS Num. measured all: 170722 / Rmerge(I) obs: 0.08 |
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Processing
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| Refinement | Resolution: 2.25→8 Å /
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| Refine analyze | Luzzati coordinate error obs: 0.2 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 2.25→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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