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- PDB-4l20: Crystal structure of Cimex nitrophorin A21V mutant ferrous NO complex -
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Open data
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Basic information
Entry | Database: PDB / ID: 4l20 | ||||||
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Title | Crystal structure of Cimex nitrophorin A21V mutant ferrous NO complex | ||||||
![]() | Salivary nitrophorin | ||||||
![]() | TRANSPORT PROTEIN / beta sandwich / ferrous heme / thiolate heme ligand / s-nitrosocysteine | ||||||
Function / homology | ![]() vasodilation in another organism / phosphatidylinositol-3,5-bisphosphate 5-phosphatase activity / positive regulation of flagellated sperm motility / response to jasmonic acid / response to auxin / phosphatidylinositol-3,4,5-trisphosphate 5-phosphatase activity / phosphatidylinositol-4,5-bisphosphate 5-phosphatase activity / response to abscisic acid / phosphatidylinositol dephosphorylation / non-motile cilium ...vasodilation in another organism / phosphatidylinositol-3,5-bisphosphate 5-phosphatase activity / positive regulation of flagellated sperm motility / response to jasmonic acid / response to auxin / phosphatidylinositol-3,4,5-trisphosphate 5-phosphatase activity / phosphatidylinositol-4,5-bisphosphate 5-phosphatase activity / response to abscisic acid / phosphatidylinositol dephosphorylation / non-motile cilium / nitric oxide transport / ruffle / response to salt stress / iron ion binding / axon / neuronal cell body / dendrite / heme binding / extracellular space / nucleus / plasma membrane / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Badgandi, H.B. / Weichsel, A. / Montfort, W.R. | ||||||
![]() | ![]() Title: Proximal Cysteine Protonation in Cimex Nitrophorin is key to efficient NO transport and release. Authors: Badgandi, H.B. / Hazzard, J.T. / Weichsel, A. / Tollin, G. / 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 | ![]() | 76 KB | Display | ![]() |
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PDB format | ![]() | 54.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 790 KB | Display | ![]() |
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Full document | ![]() | 793.6 KB | Display | |
Data in XML | ![]() | 15 KB | Display | |
Data in CIF | ![]() | 21.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 4l1yC ![]() 4l1zC ![]() 4l21C ![]() 1ntfS S: Starting model for refinement C: citing same article ( |
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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: 31659.396 Da / Num. of mol.: 1 / Fragment: unp residues 23-302 / Mutation: A21V Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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#2: Chemical | ChemComp-HEM / |
#3: Chemical | ChemComp-NO / |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.1 Å3/Da / Density % sol: 41.48 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 5.6 Details: PEG 4000 , pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARMOSAIC 325 mm CCD / Detector: CCD / Date: Apr 23, 2008 / Details: bent (Si)-mirror |
Radiation | Monochromator: diamond (111) double crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9798 Å / Relative weight: 1 |
Reflection | Resolution: 1.68→40.73 Å / Num. all: 158351 / Num. obs: 30208 / % possible obs: 99.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 5.24 % / Biso Wilson estimate: 32.8 Å2 / Rmerge(I) obs: 0.055 / Net I/σ(I): 13.6 |
Reflection shell | Resolution: 1.68→1.74 Å / Redundancy: 5.2 % / Rmerge(I) obs: 0.277 / Mean I/σ(I) obs: 4.2 / Num. unique all: 3023 / % possible all: 100 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1NTF Resolution: 1.68→35.16 Å / Cor.coef. Fo:Fc: 0.968 / Cor.coef. Fo:Fc free: 0.95 / SU B: 2.175 / SU ML: 0.074 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.11 / ESU R Free: 0.112 / 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: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 27.284 Å2
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Refine analyze | Luzzati coordinate error obs: 0.2 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.68→35.16 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.68→1.724 Å / Total num. of bins used: 20
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