+Open data
-Basic information
Entry | Database: PDB / ID: 1k7h | ||||||
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Title | CRYSTAL STRUCTURE OF SHRIMP ALKALINE PHOSPHATASE | ||||||
Components | ALKALINE PHOSPHATASE | ||||||
Keywords | HYDROLASE / TRANSFERASE / PHOSPHOMONOESTER / EXTENDED BETA SHEET / ZINC TRIAD / METAL TRIAD | ||||||
Function / homology | Function and homology information alkaline phosphatase / alkaline phosphatase activity / side of membrane / metal ion binding Similarity search - Function | ||||||
Biological species | Pandalus borealis (northern shrimp) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution: 1.92 Å | ||||||
Authors | De Backer, M.E. / Mc Sweeney, S. / Rasmussen, H.B. / Riise, B.W. / Lindley, P. / Hough, E. | ||||||
Citation | Journal: J.Mol.Biol. / Year: 2002 Title: The 1.9 A Crystal Structure of Heat-Labile Shrimp Alkaline Phosphatase Authors: De Backer, M.E. / Mc Sweeney, S. / Rasmussen, H.B. / Riise, B.W. / Lindley, P. / Hough, E. #1: Journal: J.Biol.Chem. / Year: 2001 Title: Crystal Structure of Alkaline Phosphatase from Huma at 1.8 A Resolution. Implication for a Substrate Specificity Authors: Le Du, M.H. / Stigbrand, T. / Taussig, M.J. / Menez, A. / Stura, E.A. #2: Journal: J.Mol.Biol. / Year: 1991 Title: 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: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1k7h.cif.gz | 205.2 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1k7h.ent.gz | 166.6 KB | Display | PDB format |
PDBx/mmJSON format | 1k7h.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1k7h_validation.pdf.gz | 489.4 KB | Display | wwPDB validaton report |
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Full document | 1k7h_full_validation.pdf.gz | 517 KB | Display | |
Data in XML | 1k7h_validation.xml.gz | 43.7 KB | Display | |
Data in CIF | 1k7h_validation.cif.gz | 62.4 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/k7/1k7h ftp://data.pdbj.org/pub/pdb/validation_reports/k7/1k7h | HTTPS FTP |
-Related structure data
Similar structure data |
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-Links
-Assembly
Deposited unit |
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1 |
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2 |
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Unit cell |
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-Components
-Protein / Sugars , 2 types, 4 molecules AB
#1: Protein | Mass: 53032.336 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Pandalus borealis (northern shrimp) / References: UniProt: Q9BHT8, alkaline phosphatase #2: Sugar | |
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-Non-polymers , 4 types, 563 molecules
#3: Chemical | ChemComp-ZN / #4: Chemical | ChemComp-SO4 / #5: Chemical | #6: Water | ChemComp-HOH / | |
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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: 2.92 Å3/Da / Density % sol: 47 % | ||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | pH: 5.6 / Details: pH 5.60 | ||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS pH: 5.6 / 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: ESRF / Beamline: ID14-4 / Wavelength: 0.9310,1.2820,1.2825,0.933 | |||||||||||||||
Detector | Type: ADSC QUANTUM 4r / Detector: CCD / Date: Jun 1, 2000 / Details: TOROIDAL MIRROR | |||||||||||||||
Radiation | Monochromator: DIAMOND(111) DIAMOND(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||
Radiation wavelength |
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Reflection | Resolution: 1.85→99 Å / Num. obs: 95547 / % possible obs: 96.8 % / Observed criterion σ(I): 0 / Redundancy: 2.6 % / Biso Wilson estimate: 24.2 Å2 / Rmerge(I) obs: 0.076 / Rsym value: 0.176 / Net I/σ(I): 11.8 | |||||||||||||||
Reflection shell | Resolution: 1.92→1.99 Å / Redundancy: 2.5 % / Rmerge(I) obs: 0.465 / Mean I/σ(I) obs: 2.2 / Rsym value: 0.597 / % possible all: 99.2 | |||||||||||||||
Reflection | *PLUS Num. obs: 103370 / Redundancy: 2.6 % / Num. measured all: 1131014 | |||||||||||||||
Reflection shell | *PLUS % possible obs: 99.2 % / Mean I/σ(I) obs: 2.2 |
-Processing
Software |
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Refinement | Method to determine structure: MAD / Resolution: 1.92→119.5 Å / Cor.coef. Fo:Fc: 0.95 / Cor.coef. Fo:Fc free: 0.942 / SU B: 4.79 / SU ML: 0.14 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.149 / ESU R Free: 0.136 / 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: 25.99 Å2
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Refinement step | Cycle: LAST / Resolution: 1.92→119.5 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.92→1.97 Å / Total num. of bins used: 20 /
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Refinement | *PLUS % reflection Rfree: 4.9 % | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS |