6C1Y
mbd of human mecp2 in complex with methylated DNA
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3C2I | Protein coordinates from PDB entry 3c2i. DNA coordinates from a currently unpublished model. |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 8.5 | 291 | 25% PEG3350, 0.1 M ammonium sulfate, 0.1 M tris |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.57 | 52.1 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 40.753 | α = 68.15 |
b = 47.359 | β = 89.83 |
c = 54.623 | γ = 65.98 |
Symmetry | |
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Space Group | P 1 |
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 | MARMOSAIC 300 mm CCD | 2013-07-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-B | 0.97945 | APS | 23-ID-B |
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) | CC (Half) | 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 | 2.3 | 39.85 | 96.3 | 0.068 | 0.091 | 0.06 | 0.992 | 10.1 | 2.2 | 14585 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.3 | 2.38 | 84.2 | 0.449 | 0.601 | 0.397 | 0.718 | 2.1 |
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 | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | Protein coordinates from PDB entry 3c2i. DNA coordinates from a currently unpublished model. | 2.3 | 39.85 | 13799 | 785 | 96.3 | 0.2334 | 0.2306 | 0.2857 | 65.544 |
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] | |
-4.22 | -1.93 | 1.86 | 1.74 | -2.26 | -2.35 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.819 |
r_dihedral_angle_4_deg | 28.612 |
r_dihedral_angle_3_deg | 15.157 |
r_dihedral_angle_1_deg | 5.819 |
r_mcangle_it | 3.472 |
r_mcbond_other | 2.296 |
r_mcbond_it | 2.294 |
r_angle_refined_deg | 1.669 |
r_angle_other_deg | 1.316 |
r_chiral_restr | 0.089 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1090 |
Nucleic Acid Atoms | 976 |
Solvent Atoms | |
Heterogen Atoms | 3 |
Software
Software | |
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Software Name | Purpose |
Aimless | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-3000 | data reduction |
PHASER | phasing |