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- PDB-3fw4: Crystal structure of Siderocalin (NGAL, Lipocalin 2) complexed wi... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3fw4 | ||||||
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Title | Crystal structure of Siderocalin (NGAL, Lipocalin 2) complexed with Ferric Catechol | ||||||
![]() | Neutrophil gelatinase-associated lipocalin | ||||||
![]() | TRANSPORT PROTEIN / 8-stranded anti-parallel beta barrel / 310-helix / Glycoprotein / Pyrrolidone carboxylic acid / Secreted | ||||||
Function / homology | ![]() siderophore transport / Metal sequestration by antimicrobial proteins / iron ion sequestering activity / enterobactin binding / Iron uptake and transport / specific granule lumen / positive regulation of cold-induced thermogenesis / Interleukin-4 and Interleukin-13 signaling / defense response to bacterium / iron ion binding ...siderophore transport / Metal sequestration by antimicrobial proteins / iron ion sequestering activity / enterobactin binding / Iron uptake and transport / specific granule lumen / positive regulation of cold-induced thermogenesis / Interleukin-4 and Interleukin-13 signaling / defense response to bacterium / iron ion binding / innate immune response / Neutrophil degranulation / apoptotic process / extracellular space / extracellular exosome / extracellular region / identical protein binding Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Clifton, M.C. / Strong, R.K. | ||||||
![]() | ![]() Title: Iron traffics in circulation bound to a siderocalin (Ngal)-catechol complex. Authors: Bao, G. / Clifton, M. / Hoette, T.M. / Mori, K. / Deng, S.X. / Qiu, A. / Viltard, M. / Williams, D. / Paragas, N. / Leete, T. / Kulkarni, R. / Li, X. / Lee, B. / Kalandadze, A. / Ratner, A.J. ...Authors: Bao, G. / Clifton, M. / Hoette, T.M. / Mori, K. / Deng, S.X. / Qiu, A. / Viltard, M. / Williams, D. / Paragas, N. / Leete, T. / Kulkarni, R. / Li, X. / Lee, B. / Kalandadze, A. / Ratner, A.J. / Pizarro, J.C. / Schmidt-Ott, K.M. / Landry, D.W. / Raymond, K.N. / Strong, R.K. / Barasch, J. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 115.4 KB | Display | ![]() |
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PDB format | ![]() | 87.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 3fw5C ![]() 1l6mS 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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1 | ![]()
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2 | ![]()
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3 | ![]()
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Unit cell |
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Components
-Protein , 1 types, 3 molecules ABC
#1: Protein | Mass: 20556.438 Da / Num. of mol.: 3 / Mutation: C87S Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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-Non-polymers , 6 types, 273 molecules ![](data/chem/img/FE.gif)
![](data/chem/img/CAQ.gif)
![](data/chem/img/NA.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/GOL.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/CAQ.gif)
![](data/chem/img/NA.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/GOL.gif)
![](data/chem/img/HOH.gif)
#2: Chemical | #3: Chemical | #4: Chemical | ChemComp-NA / #5: Chemical | ChemComp-CL / #6: Chemical | ChemComp-GOL / #7: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.21 Å3/Da / Density % sol: 61.66 % |
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 4.5 Details: 1.0-1.4M Ammonium sulfate, 50 mM Sodium Chloride, 200 mM Lithium Sulfate, 100 mM Sodium Acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 210 / Detector: CCD / Date: Oct 30, 2008 |
Radiation | Monochromator: Single crystal, cylindrically bent, Si(220) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2.3→50 Å / Num. all: 68321 / Num. obs: 36375 / % possible obs: 99.9 % / Redundancy: 7.9 % / Biso Wilson estimate: 50.4 Å2 / Rmerge(I) obs: 0.055 / Net I/σ(I): 31.5 |
Reflection shell | Resolution: 2.3→2.38 Å / Redundancy: 6.8 % / Rmerge(I) obs: 0.39 / Mean I/σ(I) obs: 5.09 / Num. unique all: 3562 / % possible all: 100 |
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Processing
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Refinement | Starting model: 1L6M Resolution: 2.3→40.79 Å / Cor.coef. Fo:Fc: 0.916 / Cor.coef. Fo:Fc free: 0.896 / SU B: 6.721 / SU ML: 0.168 Isotropic thermal model: Used previously-determined structure Cross valid method: THROUGHOUT / ESU R: 0.3 / ESU R Free: 0.237 / 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: 39.229 Å2
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Refinement step | Cycle: LAST / Resolution: 2.3→40.79 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.297→2.357 Å / Total num. of bins used: 20
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