4X1B
Human serum transferrin with ferric ion bound at the C-lobe only
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3QYT |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 298 | 0.1M PIPES, 17% PEG3350, 18% Glycerol |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.99 | 69.16 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 137.056 | α = 90 |
b = 156.649 | β = 90 |
c = 107.162 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315r | 2012-11-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRF BEAMLINE BL17U | 0.97852 | SSRF | BL17U |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 2.45 | 50 | 99.9 | 0.075 | 0.081 | 0.03 | 10.4 | 7.4 | 42808 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.45 | 2.54 | 100 | 0.737 | 0.792 | 0.289 | 0.905 | 7.5 | 4210 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | 3QYT | 2.45 | 50 | 39358 | 2074 | 97.06 | 0.1918 | 0.19 | 0.2265 | RANDOM | 55.587 |
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] | |
-0.8 | 0.15 | 0.65 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.962 |
r_dihedral_angle_4_deg | 18.297 |
r_dihedral_angle_3_deg | 15.02 |
r_dihedral_angle_1_deg | 6.119 |
r_mcangle_it | 1.967 |
r_mcbond_it | 1.189 |
r_angle_refined_deg | 1.188 |
r_mcbond_other | 1.188 |
r_angle_other_deg | 0.778 |
r_chiral_restr | 0.068 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5045 |
Nucleic Acid Atoms | |
Solvent Atoms | 230 |
Heterogen Atoms | 14 |
Software
Software | |
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Software Name | Purpose |
DENZO | data collection |
HKL-2000 | data reduction |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data scaling |
PHASER | phasing |