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Open data
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Basic information
Entry | Database: PDB / ID: 1j9w | ||||||
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Title | Solution Structure of the CAI Michigan 1 Variant | ||||||
![]() | CARBONIC ANHYDRASE I | ||||||
![]() | LYASE / 10-stranded-beta-sheet | ||||||
Function / homology | ![]() hydro-lyase activity / Gene and protein expression by JAK-STAT signaling after Interleukin-12 stimulation / cyanamide hydratase / cyanamide hydratase activity / arylesterase activity / Reversible hydration of carbon dioxide / carbonic anhydrase / carbonate dehydratase activity / Erythrocytes take up oxygen and release carbon dioxide / Erythrocytes take up carbon dioxide and release oxygen ...hydro-lyase activity / Gene and protein expression by JAK-STAT signaling after Interleukin-12 stimulation / cyanamide hydratase / cyanamide hydratase activity / arylesterase activity / Reversible hydration of carbon dioxide / carbonic anhydrase / carbonate dehydratase activity / Erythrocytes take up oxygen and release carbon dioxide / Erythrocytes take up carbon dioxide and release oxygen / one-carbon metabolic process / zinc ion binding / extracellular exosome / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Briganti, F. / Ferraroni, M. / Chedwiggen, W.R. / Scozzafava, A. / Supuran, C.T. / Tilli, S. | ||||||
![]() | ![]() Title: Crystal structure of a zinc-activated variant of human carbonic anhydrase I, CA I Michigan 1: evidence for a second zinc binding site involving arginine coordination. Authors: Ferraroni, M. / Tilli, S. / Briganti, F. / Chegwidden, W.R. / Supuran, C.T. / Wiebauer, K.E. / Tashian, R.E. / Scozzafava, A. #1: Journal: Science / Year: 1962 Title: New genetically determined molecular form of erythrocyte esterase in man. Authors: SHAW, C.R. / SYNER, F.N. / TASHIAN, R.E. #2: Journal: Hum.Mutat. / Year: 1994 Title: Marked zinc activation of ester hydrolysis by a mutation, 67-His (CAT) to Arg (CGT), in the active site of human carbonic anhydrase I. Authors: Chegwidden, W.R. / Wagner, L.E. / Venta, P.J. / Bergenhem, N.C. / Yu, Y.S. / Tashian, R.E. #3: ![]() Title: Point Mutation in the Variant of Human Carbonic Anhydrase Isozyme I (CAI Michigan ) Active Site decreases affinity for aromatic sulfonamide inhibitors Authors: Briganti, F. / Chegwidden, W.R. / Scozzafava, A. / Supuran, C.T. / Tashian, R.E. / Wiebauer, K.E. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 120.4 KB | Display | ![]() |
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PDB format | ![]() | 91.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 455.5 KB | Display | ![]() |
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Full document | ![]() | 473.2 KB | Display | |
Data in XML | ![]() | 26.9 KB | Display | |
Data in CIF | ![]() | 37.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1jv0C ![]() 1czmS S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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2 | ![]()
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Unit cell |
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Details | the biological assembly is a dimer generated by a translation |
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Components
#1: Protein | Mass: 28794.035 Da / Num. of mol.: 2 / Mutation: H67R Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | #3: Chemical | #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.25 Å3/Da / Density % sol: 45 % | ||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, hanging drop / pH: 9 Details: PEG 4000, litium chloride,ethylene glicol , pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K | ||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS | ||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: BRUKER SMART 1000 / Detector: CCD / Date: May 26, 2000 / Details: mirrors |
Radiation | Monochromator: Gobel mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.6→20 Å / Num. all: 58715 / Num. obs: 58715 / % possible obs: 97.9 % / Redundancy: 3.3 % / Biso Wilson estimate: 24.36 Å2 / Rsym value: 0.094 / Net I/σ(I): 7.8 |
Reflection shell | Resolution: 2.6→2.69 Å / Mean I/σ(I) obs: 1.5 / Num. unique all: 17135 / Rsym value: 0.244 / % possible all: 100 |
Reflection | *PLUS Lowest resolution: 20 Å / Num. obs: 17329 / Num. measured all: 58715 / Rmerge(I) obs: 0.094 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: pdb entry 1czm Resolution: 2.6→15 Å Isotropic thermal model: isotropic, anisotropic for metal ions, sulfur atoms, choride ions Cross valid method: THROUGHOUT / Stereochemistry target values: Engh & Huber
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Displacement parameters | Biso mean: 27.82 Å2 | ||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.6→15 Å
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Refine LS restraints |
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Software | *PLUS Name: REFMAC / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Highest resolution: 2.6 Å / Lowest resolution: 15 Å / % reflection Rfree: 5 % / Rfactor obs: 0.197 | ||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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