1G6Q
CRYSTAL STRUCTURE OF YEAST ARGININE METHYLTRANSFERASE, HMT1
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 295 | 2 microliters of Hmt1 (8mg/ml) in 50 mM Tris, pH 7.0, 50 mM NaCl, 1 mM EDTA, 1 mM DTT + 2 microliters of reservoir:50 mM sodium hepes, pH 7.5, 14% v/v PEG 400, 100 mM CaCl2 + microseeds in 1 microliter of 20 mM sodium citrate, pH 5.6, 15% w/v PEG 4000, 100 mM ammonium acetate, VAPOR DIFFUSION, HANGING DROP, temperature 22K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.38 | 48.32 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 84.1 | α = 90 |
b = 129.43 | β = 102.74 |
c = 101.43 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 113 | CCD | BRANDEIS | monochromator | 2000-03-02 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X12C | 0.9784,1.0100,0.9500,0.9788 | NSLS | X12C |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.9 | 28 | 99.1 | 0.062 | 17.4 | 3.1 | 91268 | 90403 | 56.6 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.89 | 2.99 | 95.9 | 0.235 | 0.235 | 5 | 1.8 | 8739 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 2.9 | 28 | 45634 | 46590 | 4666 | 99.1 | 0.253 | 0.253 | 0.253 | 0.294 | random |
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 | |
---|---|
Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 25.06 |
x_angle_deg | 3 |
x_improper_angle_d | 1.29 |
x_bond_d | 0.014 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 15520 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
SOLVE | phasing |
MLPHARE | phasing |
DM | model building |
X-PLOR | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
DM | phasing |