1QM4
Methionine Adenosyltransferase Complexed with a L-Methionine Analogue
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1MXA |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7.5 | 16 % PEG 10K, 10MM CIS-AMB, 0.1 HEPES PH=7.5, pH 7.50 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.2 | 61 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 115.2 | ¦Á = 90 |
b = 115.2 | ¦Â = 90 |
c = 159.98 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 41 2 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 | 120 | IMAGE PLATE | MARRESEARCH | 1999-02-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | ENRAF-NONIUS |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.66 | 44.7 | 94.5 | 0.082 | 0.082 | 6.7 | 7.5 | 28742 | 4 |
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) | |||||||||||
1 | 2.66 | 2.8 | 85.8 | 0.37 | 2.1 | 6.9 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | 1MXA | 2.66 | 10 | 2 | 28276 | 84.3 | 0.23 | 0.23 | 0.29 | RANDOM | 41.5 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 26.5 |
x_angle_deg | 2.1 |
x_improper_angle_d | 2.03 |
x_bond_d | 0.017 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na | |
x_angle_d_prot | |
x_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5692 |
Nucleic Acid Atoms | |
Solvent Atoms | 197 |
Heterogen Atoms | 29 |
Software
Software | |
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Software Name | Purpose |
X-PLOR | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
AMoRE | phasing |