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Open data
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Basic information
| Entry | Database: PDB / ID: 1g8i | ||||||
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| Title | CRYSTAL STRUCTURE OF HUMAN FREQUENIN (NEURONAL CALCIUM SENSOR 1) | ||||||
Components | NEURONAL CALCIUM SENSOR 1 | ||||||
Keywords | METAL BINDING PROTEIN / calcium binding-protein / EF-hand / calcium ion | ||||||
| Function / homology | Function and homology informationcalcium sensitive guanylate cyclase activator activity / regulation of neuron projection development / regulation of signal transduction / voltage-gated calcium channel activity / postsynaptic density / axon / intracellular membrane-bounded organelle / calcium ion binding / dendrite / perinuclear region of cytoplasm ...calcium sensitive guanylate cyclase activator activity / regulation of neuron projection development / regulation of signal transduction / voltage-gated calcium channel activity / postsynaptic density / axon / intracellular membrane-bounded organelle / calcium ion binding / dendrite / perinuclear region of cytoplasm / Golgi apparatus / plasma membrane / cytosol / cytoplasm Similarity search - Function | ||||||
| Biological species | Homo sapiens (human) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.9 Å | ||||||
Authors | Bourne, Y. / Dannenberg, J. / Pollmann, V. / Marchot, P. / Pongs, O. | ||||||
Citation | Journal: J.Biol.Chem. / Year: 2001Title: Immunocytochemical localization and crystal structure of human frequenin (neuronal calcium sensor 1). Authors: Bourne, Y. / Dannenberg, J. / Pollmann, V. / Marchot, P. / Pongs, O. | ||||||
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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 | 1g8i.cif.gz | 99.3 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1g8i.ent.gz | 74.2 KB | Display | PDB format |
| PDBx/mmJSON format | 1g8i.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/g8/1g8i ftp://data.pdbj.org/pub/pdb/validation_reports/g8/1g8i | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 1bjfS 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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| 1 | ![]()
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| 2 | ![]()
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| Unit cell |
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Components
-Protein , 1 types, 2 molecules AB
| #1: Protein | Mass: 21902.668 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Plasmid: PET / Species (production host): Escherichia coli / Production host: ![]() |
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-Non-polymers , 6 types, 297 molecules 










| #2: Chemical | | #3: Chemical | ChemComp-CA / #4: Chemical | #5: Chemical | ChemComp-P6G / | #6: Chemical | #7: 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: 2.64 Å3/Da / Density % sol: 53.44 % | ||||||||||||||||||||||||
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| Crystal grow | Temperature: 298 K / Method: vapor diffusion, sitting drop / pH: 6.5 Details: 30% PEG 8K, 0.1 M NaCacodylate, 0.2 M NaAc, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K | ||||||||||||||||||||||||
| Crystal grow | *PLUS Temperature: 4 ℃ / Method: vapor diffusion | ||||||||||||||||||||||||
| 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: ID14-2 / Wavelength: 0.93 Å |
| Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Jul 12, 2000 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.93 Å / Relative weight: 1 |
| Reflection | Resolution: 1.9→40 Å / Num. all: 35881 / Num. obs: 34949 / % possible obs: 99 % / Observed criterion σ(I): 2 / Redundancy: 3.3 % / Biso Wilson estimate: 19.9 Å2 / Rsym value: 6 / Net I/σ(I): 8.9 |
| Reflection shell | Resolution: 1.9→1.95 Å / Redundancy: 3.4 % / Mean I/σ(I) obs: 2 / Num. unique all: 2619 / Rsym value: 34 / % possible all: 98.9 |
| Reflection | *PLUS % possible obs: 99 % / Num. measured all: 281683 / Rmerge(I) obs: 0.06 |
| Reflection shell | *PLUS % possible obs: 98.9 % / Rmerge(I) obs: 0.35 / Mean I/σ(I) obs: 2 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: PDB ENTRY 1BJF Resolution: 1.9→38.75 Å / Rfactor Rfree error: 0.008 / Data cutoff high absF: 847282.85 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
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| Solvent computation | Solvent model: FLAT MODEL / Bsol: 41.38 Å2 / ksol: 0.346 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 28.5 Å2
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| Refine analyze |
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| Refinement step | Cycle: LAST / Resolution: 1.9→38.75 Å
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| Refine LS restraints |
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| Refine LS restraints NCS | NCS model details: CONSTRAINED | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| LS refinement shell | Resolution: 1.9→2.02 Å / Rfactor Rfree error: 0.022 / Total num. of bins used: 6
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| Xplor file |
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| Software | *PLUS Name: CNS / Version: 1 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement | *PLUS σ(F): 0 / % reflection Rfree: 3 % / Rfactor obs: 0.22 / Rfactor Rwork: 0.22 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS Biso mean: 28.5 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS
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| LS refinement shell | *PLUS Rfactor Rfree: 0.305 / % reflection Rfree: 3.4 % / Rfactor Rwork: 0.275 |
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Homo sapiens (human)
X-RAY DIFFRACTION
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