2IN4
Crystal Structure of Myoglobin with Charge Neutralized Heme, ZnDMb-dme
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1YMB | 1YMB from PDB data base |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | 12-17 mg/ml protein solution, 3.3 M ammonium sulfate, 0.1 M sodium acetate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.15 | 42.7 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 42.604 | α = 90 |
b = 30.577 | β = 97.66 |
c = 56.485 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | 2006-07-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-B | 0.97934 | APS | 23-ID-B |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.14 | 55.99 | 99.5 | 0.084 | 6.7 | 8041 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
2.14 | 2.203 | 96.8 | 0.187 | 5.4 |
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 | 1YMB from PDB data base | 2.15 | 55.99 | 8041 | 373 | 99.05 | 0.17807 | 0.17538 | 0.23191 | RANDOM | 18.675 |
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] | |
1.12 | -0.14 | 0.46 | -1.62 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 41.409 |
r_dihedral_angle_3_deg | 17.489 |
r_dihedral_angle_4_deg | 13.255 |
r_dihedral_angle_1_deg | 5.373 |
r_angle_refined_deg | 2.991 |
r_scangle_it | 2.593 |
r_scbond_it | 1.667 |
r_mcangle_it | 1.172 |
r_mcbond_it | 0.68 |
r_nbtor_refined | 0.303 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1204 |
Nucleic Acid Atoms | |
Solvent Atoms | 97 |
Heterogen Atoms | 87 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
CrystalClear | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
PHASES | phasing |