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- PDB-2eu7: Crystal structure of D1A mutant of nitrophorin 2 complexed with a... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2eu7 | ||||||
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Title | Crystal structure of D1A mutant of nitrophorin 2 complexed with ammonia | ||||||
![]() | Nitrophorin 2 | ||||||
![]() | TRANSPORT PROTEIN / beta barrel / lipocalin / ferric heme / mutant | ||||||
Function / homology | ![]() histamine binding / nitric oxide binding / vasodilation / extracellular region / metal ion binding Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Weichsel, A. / Montfort, W.R. | ||||||
![]() | ![]() Title: Crystal structures, ligand induced conformational change and heme deformation in complexes of nitrophorin 2, a nitric oxide transport protein from rhodnius prolixus Authors: Weichsel, A. / Berry, R.E. / Walker, F.A. / Montfort, W.R. #1: ![]() Title: The crystal structure of nitrophorin 2. A trifunctional antihemostatic protein from the saliva of Rhodnius prolixus Authors: Andersen, J.F. / Montfort, W.R. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 97.8 KB | Display | ![]() |
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PDB format | ![]() | 74.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 814.3 KB | Display | ![]() |
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Full document | ![]() | 827.8 KB | Display | |
Data in XML | ![]() | 12.4 KB | Display | |
Data in CIF | ![]() | 18.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2acpC ![]() 2ah7C ![]() 2al0C ![]() 2allC ![]() 2ammC ![]() 2asnC ![]() 2gtfC ![]() 1euoS 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 on special symmetry positions |
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Components
#1: Protein | Mass: 19905.186 Da / Num. of mol.: 1 / Fragment: residues 25-202 / Mutation: D1A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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#2: Chemical | ChemComp-HEM / |
#3: Chemical | ChemComp-NH3 / |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.13 Å3/Da / Density % sol: 42.32 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: 1mM protein, 3.2M ammonium phosphate, 100mM Tris HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Mar 11, 2004 / Details: bent Si-mirror |
Radiation | Monochromator: bent Ge(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9 Å / Relative weight: 1 |
Reflection | Resolution: 1.2→6 Å / Num. all: 47640 / Num. obs: 47640 / % possible obs: 88.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 8.6 % / Biso Wilson estimate: 14 Å2 / Rsym value: 0.14 / Net I/σ(I): 9.2 |
Reflection shell | Resolution: 1.2→1.24 Å / Redundancy: 9.4 % / Mean I/σ(I) obs: 2.9 / Num. unique all: 5261 / Rsym value: 0.24 / % possible all: 99.1 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1EUO Resolution: 1.2→6 Å / Cor.coef. Fo:Fc: 0.937 / Cor.coef. Fo:Fc free: 0.908 / SU B: 1.288 / SU ML: 0.028 / Isotropic thermal model: anisotropic / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.054 / ESU R Free: 0.053 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 13.402 Å2
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Refine analyze | Luzzati coordinate error obs: 0.167 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.2→6 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.2→1.23 Å / Total num. of bins used: 20
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