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Open data
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Basic information
Entry | Database: PDB / ID: 4iaw | ||||||
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Title | Engineered human lipocalin 2 (C26) in complex with Y-DTPA | ||||||
![]() | Neutrophil gelatinase-associated lipocalin | ||||||
![]() | TRANSPORT PROTEIN / beta-barrel / engineered lipocalin / binding protein / Y-CHX-A''-DTPA / Strep-tag | ||||||
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 | ![]() ![]() ![]() ![]() | ||||||
![]() | Eichinger, A. / Skerra, A. | ||||||
![]() | ![]() Title: Structure-guided engineering of Anticalins with improved binding behavior and biochemical characteristics for application in radio-immuno imaging and/or therapy Authors: Eggenstein, E. / Eichinger, A. / Kim, H.J. / Skerra, A. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 128.8 KB | Display | ![]() |
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PDB format | ![]() | 99 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 4iaxC ![]() 3dtqS 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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3 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 21573.502 Da / Num. of mol.: 3 / Fragment: UNP residues 21-198 Mutation: Q28H,V33Q,L36R,I41A,L42P,P48L,Q49L,Y52T,T54Q,I55T,S68A,L70R,K75M,D77E,W79L,I80T,R81M,C87S,S127Q,K134S,T136S,Y138L,T145A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | #3: Chemical | #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.97 Å3/Da / Density % sol: 58.62 % / Mosaicity: 0.52 ° |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 10.5 Details: 2M dipotassium phosphate, 0.2M lithium sulfate, 0.1M CAPS/NaOH, pH 10.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: MARMOSAIC 225 mm CCD / Detector: CCD / Date: May 28, 2009 / Details: mirrors | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Monochromator: Si 111 crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.91841 Å / Relative weight: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 2.4→82.36 Å / Num. all: 31147 / Num. obs: 31127 / % possible obs: 99.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 2 / Redundancy: 14.6 % / Rsym value: 0.085 / Net I/σ(I): 24.7 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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-Phasing
Phasing | Method: ![]() | |||||||||
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Phasing MR | Rfactor: 42.04 / Model details: Phaser MODE: MR_AUTO
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 3DTQ Resolution: 2.4→82.36 Å / Cor.coef. Fo:Fc: 0.915 / Cor.coef. Fo:Fc free: 0.882 / WRfactor Rfree: 0.2694 / WRfactor Rwork: 0.2224 / Occupancy max: 1 / Occupancy min: 0 / FOM work R set: 0.8256 / SU B: 6.326 / SU ML: 0.157 / SU R Cruickshank DPI: 0.3448 / SU Rfree: 0.2562 / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 2 / ESU R: 0.346 / ESU R Free: 0.258 / Stereochemistry target values: MAXIMUM LIKELIHOOD
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 97.73 Å2 / Biso mean: 44.0647 Å2 / Biso min: 3.19 Å2
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Refinement step | Cycle: LAST / Resolution: 2.4→82.36 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.4→2.462 Å / Total num. of bins used: 20
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