2CN6
Recombinant human H ferritin, K86Q and E107D mutant, soaked with Zn ions
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2CHI | PDB 2CHI |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | HANGING DROP. RESERVOIR: MPD 5% CACL2 4.7 MM, TRIS 50 MM PH 8.5 DROP: 1 UL PROTEIN (22 MG/ML) AND 1 UL RESERVOIR |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.83 | 56.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 178.453 | α = 90 |
b = 178.453 | β = 90 |
c = 178.453 | γ = 90 |
Symmetry | |
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Space Group | F 4 3 2 |
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 | MARRESEARCH | TWO MIRRORS ARE USED FOR VERTICAL FOCUSSING | 2005-06-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM30A | ESRF | BM30A |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.2 | 44.61 | 99.8 | 0.09 | 28 | 23 | 12895 | 39.6 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.2 | 2.25 | 100 | 0.55 | 7 | 23 |
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 | PDB 2CHI | 2.2 | 103.14 | 12251 | 627 | 99.8 | 0.196 | 0.195 | 0.23 | RANDOM | 33.73 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.367 |
r_dihedral_angle_4_deg | 19.368 |
r_dihedral_angle_3_deg | 13.945 |
r_dihedral_angle_1_deg | 5.425 |
r_scangle_it | 4.912 |
r_scbond_it | 3.317 |
r_mcangle_it | 1.725 |
r_angle_refined_deg | 1.413 |
r_mcbond_it | 1.088 |
r_nbtor_refined | 0.305 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1412 |
Nucleic Acid Atoms | |
Solvent Atoms | 69 |
Heterogen Atoms | 14 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
XSCALE | data scaling |