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- PDB-1tb0: Effect of Shuttle Location and pH Environment on H+ Transfer in H... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1tb0 | ||||||
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Title | Effect of Shuttle Location and pH Environment on H+ Transfer in Human Carbonic Anhydrase II | ||||||
![]() | Carbonic anhydrase II | ||||||
![]() | LYASE / proton shuttle carbonic anhydrase metalloenzyme | ||||||
Function / homology | ![]() positive regulation of cellular pH reduction / positive regulation of dipeptide transmembrane transport / regulation of monoatomic anion transport / secretion / cyanamide hydratase / cyanamide hydratase activity / arylesterase activity / regulation of chloride transport / Reversible hydration of carbon dioxide / angiotensin-activated signaling pathway ...positive regulation of cellular pH reduction / positive regulation of dipeptide transmembrane transport / regulation of monoatomic anion transport / secretion / cyanamide hydratase / cyanamide hydratase activity / arylesterase activity / regulation of chloride transport / Reversible hydration of carbon dioxide / angiotensin-activated signaling pathway / positive regulation of synaptic transmission, GABAergic / morphogenesis of an epithelium / regulation of intracellular pH / carbonic anhydrase / carbonate dehydratase activity / carbon dioxide transport / Erythrocytes take up oxygen and release carbon dioxide / Erythrocytes take up carbon dioxide and release oxygen / neuron cellular homeostasis / one-carbon metabolic process / apical part of cell / myelin sheath / zinc ion binding / extracellular exosome / plasma membrane / cytoplasm / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Fisher, Z. / Hernandez Prada, J.A. / Tu, C. / Duda, D. / Yoshioka, C. / An, H. / Govindasamy, L. / Silverman, D.N. / McKenna, R. | ||||||
![]() | ![]() Title: Structural and kinetic characterization of active-site histidine as a proton shuttle in catalysis by human carbonic anhydrase II. Authors: Fisher, Z. / Hernandez Prada, J.A. / Tu, C. / Duda, D. / Yoshioka, C. / An, H. / Govindasamy, L. / Silverman, D.N. / McKenna, R. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 67 KB | Display | ![]() |
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PDB format | ![]() | 48.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 422.7 KB | Display | ![]() |
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Full document | ![]() | 425.5 KB | Display | |
Data in XML | ![]() | 12.4 KB | Display | |
Data in CIF | ![]() | 17 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1t9nC ![]() 1tbtC ![]() 1te3C ![]() 1teqC ![]() 1teuC ![]() 1tg3C ![]() 1tg9C ![]() 1th9C ![]() 1thkC ![]() 2cbaS C: citing same article ( S: Starting model for refinement |
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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: 29289.062 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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#2: Chemical | ChemComp-ZN / |
#3: Chemical | ChemComp-CL / |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.15 Å3/Da / Density % sol: 42.7 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6.1 Details: 50 mM MES, 2.5 M ammonium sulfate, pH 6.1, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
-Data collection
Diffraction | Mean temperature: 293 K |
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Diffraction source | Source: ![]() |
Detector | Type: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Details: Osmic Mirror |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.54 Å / Relative weight: 1 |
Reflection | Resolution: 2→20 Å / Num. obs: 16365 / Rsym value: 0.12 |
Reflection shell | Resolution: 2→2.07 Å / Rsym value: 0.447 / % possible all: 95.9 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: pdb ENTRY 2CBA Resolution: 2→20 Å / Rfactor Rfree: 0.205 / Rfactor Rwork: 0.144 / Cross valid method: Random / Stereochemistry target values: Engh & Huber | ||||||||||||
Refinement step | Cycle: LAST / Resolution: 2→20 Å
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Refine LS restraints |
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