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- PDB-1qsi: MAGNESIUM(II)-AND ZINC(II)-PROTOPORPHYRIN IX'S STABILIZE THE LOWE... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1qsi | ||||||
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Title | MAGNESIUM(II)-AND ZINC(II)-PROTOPORPHYRIN IX'S STABILIZE THE LOWEST OXYGEN AFFINITY STATE OF HUMAN HEMOGLOBIN EVEN MORE STRONGLY THAN DEOXYHEME | ||||||
![]() | (PROTEIN (HEMOGLOBIN ...) x 2 | ||||||
![]() | OXYGEN STORAGE/TRANSPORT / HEMOGLOBIN / OXYGEN AFFINITY / ALLOSTERIC EFFECT / METAL SUBSTITUTION / TRIGGER MECHANISM / ALPHA CO LIGANDED / OXYGEN STORAGE-TRANSPORT COMPLEX | ||||||
Function / homology | ![]() nitric oxide transport / hemoglobin binding / hemoglobin alpha binding / haptoglobin binding / haptoglobin-hemoglobin complex / renal absorption / organic acid binding / hemoglobin complex / oxygen transport / Scavenging of heme from plasma ...nitric oxide transport / hemoglobin binding / hemoglobin alpha binding / haptoglobin binding / haptoglobin-hemoglobin complex / renal absorption / organic acid binding / hemoglobin complex / oxygen transport / Scavenging of heme from plasma / endocytic vesicle lumen / blood vessel diameter maintenance / hydrogen peroxide catabolic process / oxygen carrier activity / Late endosomal microautophagy / Heme signaling / carbon dioxide transport / response to hydrogen peroxide / Erythrocytes take up oxygen and release carbon dioxide / Erythrocytes take up carbon dioxide and release oxygen / Cytoprotection by HMOX1 / oxygen binding / regulation of blood pressure / platelet aggregation / Chaperone Mediated Autophagy / peroxidase activity / positive regulation of nitric oxide biosynthetic process / tertiary granule lumen / Factors involved in megakaryocyte development and platelet production / ficolin-1-rich granule lumen / blood microparticle / iron ion binding / heme binding / Neutrophil degranulation / extracellular space / extracellular exosome / extracellular region / membrane / metal ion binding / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Miyazaki, G. / Morimoto, H. / Yun, K.-M. / Park, S.-Y. / Nakagawa, A. / Minagawa, H. / Shibayama, N. | ||||||
![]() | ![]() Title: Magnesium(II) and zinc(II)-protoporphyrin IX's stabilize the lowest oxygen affinity state of human hemoglobin even more strongly than deoxyheme. Authors: Miyazaki, G. / Morimoto, H. / Yun, K.M. / Park, S.Y. / Nakagawa, A. / Minagawa, H. / Shibayama, N. #1: ![]() Title: High-Resolution Crystal Structure of Magnesium(MgII)-iron(FeII) Hybrid Hemoglobin with Liganded Beta Subunits Authors: Park, S.-Y. / Nakagawa, A. / Morimoto, H. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 133.1 KB | Display | ![]() |
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PDB format | ![]() | 104.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 713.3 KB | Display | ![]() |
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Full document | ![]() | 730.9 KB | Display | |
Data in XML | ![]() | 16 KB | Display | |
Data in CIF | ![]() | 25 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related 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
-PROTEIN (HEMOGLOBIN ... , 2 types, 4 molecules ACBD
#1: Protein | Mass: 15150.353 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() #2: Protein | Mass: 15890.198 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() |
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-Non-polymers , 4 types, 411 molecules ![](data/chem/img/HEM.gif)
![](data/chem/img/CMO.gif)
![](data/chem/img/HEG.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/CMO.gif)
![](data/chem/img/HEG.gif)
![](data/chem/img/HOH.gif)
#3: Chemical | #4: Chemical | #5: Chemical | #6: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.26 Å3/Da / Density % sol: 45.48 % | ||||||||||||||||||||
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Crystal grow | Temperature: 298 K / Method: batch method / pH: 6.5 Details: AMMONIUM SULFATE, pH 6.5, BATCH METHOD, temperature 298K | ||||||||||||||||||||
Crystal grow | *PLUS Details: Perutz, M.F., (1968) J.Crystal Growth, 2, 54. | ||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 293 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: FUJI / Detector: IMAGE PLATE / Date: Nov 20, 1997 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.04 Å / Relative weight: 1 |
Reflection | Resolution: 1.2→100 Å / Num. all: 297677 / Num. obs: 112877 / % possible obs: 60.2 % / Observed criterion σ(I): 3 / Redundancy: 2.6 % / Rmerge(I) obs: 0.078 |
Reflection shell | Resolution: 1.7→1.81 Å / % possible all: 76.7 |
Reflection | *PLUS Highest resolution: 1.7 Å / Lowest resolution: 10 Å / % possible obs: 91.6 % |
Reflection shell | *PLUS Lowest resolution: 1.78 Å / % possible obs: 77.4 % |
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Processing
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Refinement | Resolution: 1.7→10 Å / σ(F): 3 Stereochemistry target values: PROLSQ (HENDRICKSON & KONNERT)
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Refinement step | Cycle: LAST / Resolution: 1.7→10 Å
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Refine LS restraints |
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Software | *PLUS Name: PROLSQ / Classification: refinement | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS |