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Open data
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Basic information
Entry | Database: PDB / ID: 1irm | ||||||
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Title | Crystal structure of apo heme oxygenase-1 | ||||||
![]() | apo heme oxygenase-1 | ||||||
![]() | OXIDOREDUCTASE / disordered alpha helix / apo form of hemoprotein | ||||||
Function / homology | ![]() arachidonate omega-hydroxylase activity / Regulation of HMOX1 expression and activity / Iron uptake and transport / response to 3-methylcholanthrene / Heme degradation / Cytoprotection by HMOX1 / negative regulation of mast cell degranulation / response to arachidonate / heme metabolic process / heme oxygenase (biliverdin-producing) ...arachidonate omega-hydroxylase activity / Regulation of HMOX1 expression and activity / Iron uptake and transport / response to 3-methylcholanthrene / Heme degradation / Cytoprotection by HMOX1 / negative regulation of mast cell degranulation / response to arachidonate / heme metabolic process / heme oxygenase (biliverdin-producing) / heme oxidation / Insertion of tail-anchored proteins into the endoplasmic reticulum membrane / heme oxygenase (decyclizing) activity / negative regulation of muscle cell apoptotic process / wound healing involved in inflammatory response / cellular response to cisplatin / positive regulation of blood vessel endothelial cell proliferation involved in sprouting angiogenesis / cellular response to arsenic-containing substance / negative regulation of epithelial cell apoptotic process / cellular response to nutrient / heme catabolic process / negative regulation of mast cell cytokine production / positive regulation of epithelial cell apoptotic process / phospholipase D activity / epithelial cell apoptotic process / negative regulation of ferroptosis / erythrocyte homeostasis / positive regulation of cell migration involved in sprouting angiogenesis / small GTPase-mediated signal transduction / negative regulation of macroautophagy / cellular response to cadmium ion / negative regulation of vascular associated smooth muscle cell proliferation / positive regulation of macroautophagy / negative regulation of extrinsic apoptotic signaling pathway via death domain receptors / phospholipid metabolic process / liver regeneration / response to nicotine / positive regulation of smooth muscle cell proliferation / macroautophagy / negative regulation of smooth muscle cell proliferation / caveola / response to hydrogen peroxide / regulation of blood pressure / multicellular organismal-level iron ion homeostasis / response to estrogen / intrinsic apoptotic signaling pathway in response to DNA damage / positive regulation of angiogenesis / cellular response to heat / angiogenesis / negative regulation of neuron apoptotic process / intracellular iron ion homeostasis / response to oxidative stress / response to hypoxia / intracellular signal transduction / response to xenobiotic stimulus / negative regulation of cell population proliferation / heme binding / endoplasmic reticulum membrane / regulation of transcription by RNA polymerase II / perinuclear region of cytoplasm / structural molecule activity / enzyme binding / endoplasmic reticulum / protein homodimerization activity / identical protein binding / nucleus / metal ion binding / cytosol Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Sugishima, M. / Sakamoto, H. / Kakuta, Y. / Omata, Y. / Hayashi, S. / Noguchi, M. / Fukuyama, K. | ||||||
![]() | ![]() Title: Crystal structure of rat apo-heme oxygenase-1 (HO-1): mechanism of heme binding in HO-1 inferred from structural comparison of the apo and heme complex forms Authors: Sugishima, M. / Sakamoto, H. / Kakuta, Y. / Omata, Y. / Hayashi, S. / Noguchi, M. / Fukuyama, K. #1: ![]() Title: Crystal Structure of rat heme oxygenase-1 in complex with heme Authors: Sugishima, M. / Omata, Y. / Kakuta, Y. / Sakamoto, H. / Noguchi, M. / Fukuyama, K. #2: ![]() Title: Crystallization and preliminary X-ray diffraction studies on the water soluble form of rat heme oxygenase-1 in complex with heme Authors: Omata, Y. / Asada, S. / Sakamoto, H. / Fukuyama, K. / Noguchi, M. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 130.9 KB | Display | ![]() |
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PDB format | ![]() | 102.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 452.8 KB | Display | ![]() |
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Full document | ![]() | 505.8 KB | Display | |
Data in XML | ![]() | 29.9 KB | Display | |
Data in CIF | ![]() | 40.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1dveS 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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2 | ![]()
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3 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 30612.496 Da / Num. of mol.: 3 / Fragment: RESIDUES 1-267 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: P06762, heme oxygenase (biliverdin-producing) #2: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.18 Å3/Da / Density % sol: 43.45 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 8 Details: ammonium sulfate, PEG400, HEPES, stronthium chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS pH: 7.4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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: MARRESEARCH / Detector: CCD / Date: Apr 24, 2000 |
Radiation | Monochromator: Si(111) double monochrometor / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.709 Å / Relative weight: 1 |
Reflection | Resolution: 2.55→46.625 Å / Num. all: 25283 / Num. obs: 25283 / % possible obs: 99.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.7 % / Rsym value: 0.06 / Net I/σ(I): 9.2 |
Reflection shell | Resolution: 2.55→2.69 Å / Redundancy: 3.5 % / Mean I/σ(I) obs: 2.9 / Num. unique all: 3692 / Rsym value: 0.25 / % possible all: 99.9 |
Reflection | *PLUS Lowest resolution: 30 Å / Num. measured all: 93875 / Rmerge(I) obs: 0.059 |
Reflection shell | *PLUS % possible obs: 99.9 % / Rmerge(I) obs: 0.25 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1DVE Resolution: 2.55→46.625 Å / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber Details: To solve the structure of merohedral twinning crystal, LSQ refinement target used as ( Fo - k( sqrt 0.55Fc^2 + 0.45Fc'^2] ) )^2
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Displacement parameters |
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Refine analyze | Luzzati coordinate error obs: 0.33 Å / Luzzati d res low obs: 5 Å / Luzzati sigma a obs: 0.47 Å | ||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.55→46.625 Å
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Refine LS restraints |
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 10
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Refinement | *PLUS % reflection Rfree: 5 % / Rfactor obs: 0.204 / Rfactor Rfree: 0.307 / Rfactor Rwork: 0.202 | ||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.3853 / Rfactor Rwork: 0.322 |