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Open data
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Basic information
| Entry | Database: PDB / ID: 1is8 | ||||||
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| Title | Crystal structure of rat GTPCHI/GFRP stimulatory complex plus Zn | ||||||
Components | (GTP Cyclohydrolase ...) x 2 | ||||||
Keywords | HYDROLASE/PROTEIN BINDING / ENZYME-REGULATORY PROTEIN COMPLEX / HYDROLASE-PROTEIN BINDING COMPLEX | ||||||
| Function / homology | Function and homology informationdihydrobiopterin metabolic process / Tetrahydrobiopterin (BH4) synthesis, recycling, salvage and regulation / intracellular protein-containing complex / GTP cyclohydrolase binding / GTP cyclohydrolase I regulator activity / pteridine-containing compound biosynthetic process / negative regulation of biosynthetic process / regulation of lung blood pressure / GTP cyclohydrolase I / GTP cyclohydrolase I activity ...dihydrobiopterin metabolic process / Tetrahydrobiopterin (BH4) synthesis, recycling, salvage and regulation / intracellular protein-containing complex / GTP cyclohydrolase binding / GTP cyclohydrolase I regulator activity / pteridine-containing compound biosynthetic process / negative regulation of biosynthetic process / regulation of lung blood pressure / GTP cyclohydrolase I / GTP cyclohydrolase I activity / neuromuscular process controlling posture / regulation of removal of superoxide radicals / tetrahydrobiopterin biosynthetic process / GTP-dependent protein binding / mitogen-activated protein kinase binding / negative regulation of cardiac muscle cell apoptotic process / response to pain / dopamine biosynthetic process / amino acid binding / response to tumor necrosis factor / negative regulation of cellular senescence / response to type II interferon / tetrahydrofolate biosynthetic process / positive regulation of heart rate / negative regulation of blood pressure / positive regulation of telomere maintenance via telomerase / regulation of blood pressure / vasodilation / melanosome / positive regulation of neuron apoptotic process / protein-containing complex assembly / cytoplasmic vesicle / nuclear membrane / response to lipopolysaccharide / GTPase activity / dendrite / calcium ion binding / GTP binding / protein-containing complex binding / protein homodimerization activity / protein-containing complex / mitochondrion / zinc ion binding / identical protein binding / nucleus / cytoplasm / cytosol Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution: 2.7 Å | ||||||
Authors | Maita, N. / Okada, K. / Hatakeyama, K. / Hakoshima, T. | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2002Title: Crystal structure of the stimulatory complex of GTP cyclohydrolase I and its feedback regulatory protein GFRP. Authors: Maita, N. / Okada, K. / Hatakeyama, K. / Hakoshima, T. | ||||||
| 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 | 1is8.cif.gz | 555.6 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1is8.ent.gz | 456.8 KB | Display | PDB format |
| PDBx/mmJSON format | 1is8.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1is8_validation.pdf.gz | 621.8 KB | Display | wwPDB validaton report |
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| Full document | 1is8_full_validation.pdf.gz | 708.9 KB | Display | |
| Data in XML | 1is8_validation.xml.gz | 102.4 KB | Display | |
| Data in CIF | 1is8_validation.cif.gz | 139.8 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/is/1is8 ftp://data.pdbj.org/pub/pdb/validation_reports/is/1is8 | HTTPS FTP |
-Related structure data
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Links
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Assembly
| Deposited unit | ![]()
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| 1 |
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| Unit cell |
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Components
-GTP Cyclohydrolase ... , 2 types, 20 molecules ABCDEFGHIJKLMNOPQRST
| #1: Protein | Mass: 25819.672 Da / Num. of mol.: 10 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #2: Protein | Mass: 9683.225 Da / Num. of mol.: 10 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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-Non-polymers , 4 types, 401 molecules 






| #3: Chemical | ChemComp-ZN / #4: Chemical | ChemComp-K / #5: Chemical | ChemComp-PHE / #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: 2.43 Å3/Da / Density % sol: 49.32 % | ||||||||||||||||||||||||||||||||||||||||||
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| Crystal grow | Temperature: 283 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: MPD, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 283K | ||||||||||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUS Method: vapor diffusion / Details: Maita, N., (2001) Acta Crystallogr., D57, 1153. | ||||||||||||||||||||||||||||||||||||||||||
| 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: SPring-8 / Beamline: BL41XU / Wavelength: 1.2818 Å |
| Detector | Type: MARRESEARCH / Detector: CCD / Date: Feb 28, 2001 |
| Radiation | Monochromator: Si(111) DOUBLE-CRYSTAL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1.2818 Å / Relative weight: 1 |
| Reflection | Resolution: 2.7→30 Å / Num. all: 93244 / Num. obs: 93244 / % possible obs: 99.9 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 7.4 % / Biso Wilson estimate: 57.2 Å2 / Rsym value: 0.095 / Net I/σ(I): 5.2 |
| Reflection shell | Resolution: 2.7→2.85 Å / Redundancy: 7.4 % / Mean I/σ(I) obs: 2.6 / Num. unique all: 13544 / Rsym value: 0.286 / % possible all: 99.9 |
| Reflection | *PLUS Lowest resolution: 30 Å / Num. measured all: 693751 / Rmerge(I) obs: 0.095 |
| Reflection shell | *PLUS Lowest resolution: 2.84 Å / % possible obs: 99.9 % / Rmerge(I) obs: 0.286 |
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Processing
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| Refinement | Method to determine structure: MAD / Resolution: 2.7→15 Å / Cross valid method: THROUGHOUT / σ(F): 2 / σ(I): 2 / Stereochemistry target values: Engh & Huber
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| Refinement step | Cycle: LAST / Resolution: 2.7→15 Å
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| Refine LS restraints |
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| Software | *PLUS Name: CNS / Version: 0.9 / Classification: refinement | |||||||||||||||||||||||||
| Refinement | *PLUS Lowest resolution: 15 Å / σ(F): 2 / % reflection Rfree: 5 % / Rfactor obs: 0.216 / Rfactor Rfree: 0.243 | |||||||||||||||||||||||||
| Solvent computation | *PLUS | |||||||||||||||||||||||||
| Displacement parameters | *PLUS | |||||||||||||||||||||||||
| Refine LS restraints | *PLUS
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