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- PDB-3nfe: The crystal structure of hemoglobin I from trematomus newnesi in ... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3nfe | ||||||
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Title | The crystal structure of hemoglobin I from trematomus newnesi in deoxygenated state | ||||||
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![]() | OXYGEN TRANSPORT / root effect / fish hemoglobin / antarctic fish | ||||||
Function / homology | ![]() hemoglobin alpha binding / haptoglobin binding / haptoglobin-hemoglobin complex / organic acid binding / hemoglobin complex / hydrogen peroxide catabolic process / oxygen carrier activity / oxygen binding / peroxidase activity / blood microparticle ...hemoglobin alpha binding / haptoglobin binding / haptoglobin-hemoglobin complex / organic acid binding / hemoglobin complex / hydrogen peroxide catabolic process / oxygen carrier activity / oxygen binding / peroxidase activity / blood microparticle / iron ion binding / heme binding / metal ion binding Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Vergara, A. / Vitagliano, L. / Merlino, A. / Sica, F. / Marino, K. / Mazzarella, L. | ||||||
![]() | ![]() Title: An order-disorder transition plays a role in switching off the root effect in fish hemoglobins. Authors: Vergara, A. / Vitagliano, L. / Merlino, A. / Sica, F. / Marino, K. / Verde, C. / di Prisco, G. / Mazzarella, L. | ||||||
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 129.9 KB | Display | ![]() |
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PDB format | ![]() | 102.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.7 MB | Display | ![]() |
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Full document | ![]() | 1.8 MB | Display | |
Data in XML | ![]() | 27.5 KB | Display | |
Data in CIF | ![]() | 36.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3ng6C ![]() 2h8fS 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: 15703.281 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() #2: Protein | Mass: 16246.427 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() #3: Chemical | ChemComp-HEM / #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.83 Å3/Da / Density % sol: 56.47 % |
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Crystal grow | Temperature: 298 K / Method: liquid diffusion / pH: 6 Details: protein at 10 mg/ml, in 100 mM sodium acetate buffer pH 6.0, 2mM dithionite, poured into a capillary containing 20% (w/v) MPEG 5000 (2 mM dithionite), LIQUID DIFFUSION, temperature 298K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: ENRAF-NONIUS / Detector: CCD / Date: Jan 1, 2010 / Details: mirrors |
Radiation | Monochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.01→39.7 Å / Num. obs: 42455 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB entry 2H8F Resolution: 2.01→39.7 Å / Isotropic thermal model: Isotropic / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber Details: IN THE COURSE OF THE REFINEMENT (SEE BELOW), IT BECAME OBVIOUS THAT CRYSTALS WERE AFFECTED BY MEROHEDRAL TWINNING AND THE DIFFRACTION PATTERN WAS INTERPRETED AS RESULTING FROM TWO LATTICES ...Details: IN THE COURSE OF THE REFINEMENT (SEE BELOW), IT BECAME OBVIOUS THAT CRYSTALS WERE AFFECTED BY MEROHEDRAL TWINNING AND THE DIFFRACTION PATTERN WAS INTERPRETED AS RESULTING FROM TWO LATTICES CORRELATED BY ROTATION OF 180 AROUND AN AXIS PARALLEL TO A + B DIAGONAL. THEREFORE, THE INTENSITY ASSOCIATED TO EACH REFLECTION HKL IS THE WEIGHTED SUM OF TWO CONTRIBUTIONS: IO (HKL)= (1-C) I(HKL) + C I(KHL), C IS THE TWIN FRACTION, WHICH REFINED TO A VALUE OF 0.38
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Refinement step | Cycle: LAST / Resolution: 2.01→39.7 Å
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Refine LS restraints |
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