4IAW
Engineered human lipocalin 2 (C26) in complex with Y-DTPA
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 3DTQ |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 10.5 | 293 | 2M dipotassium phosphate, 0.2M lithium sulfate, 0.1M CAPS/NaOH, pH 10.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.97 | 58.62 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 113.26 | α = 90 |
b = 113.26 | β = 90 |
c = 119.98 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 41 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | mirrors | 2009-05-28 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | BESSY BEAMLINE 14.2 | 0.91841 | BESSY | 14.2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2.4 | 82.36 | 99.8 | 0.085 | 24.7 | 14.6 | 31147 | 31127 | 2 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.4 | 2.53 | 100 | 0.368 | 0.368 | 0.381 | 0.099 | 2.1 | 14.8 | 4470 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3DTQ | 2.4 | 82.36 | 2 | 31127 | 31073 | 1567 | 99.76 | 0.2262 | 0.2238 | 0.2696 | RANDOM | 44.0647 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.31 | 0.31 | -0.62 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.427 |
r_dihedral_angle_4_deg | 21.535 |
r_dihedral_angle_3_deg | 18.243 |
r_dihedral_angle_1_deg | 6.888 |
r_scangle_it | 3.889 |
r_scbond_it | 2.322 |
r_mcangle_it | 1.559 |
r_angle_refined_deg | 1.514 |
r_mcbond_it | 0.814 |
r_chiral_restr | 0.107 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4256 |
Nucleic Acid Atoms | |
Solvent Atoms | 151 |
Heterogen Atoms | 129 |
Software
Software | |
---|---|
Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MAR345dtb | data collection |