4PMH
The structure of rice weevil pectin methyl esterase
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 298 | unknown |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.82 | 32.25 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 37.429 | α = 90 |
b = 73.939 | β = 90 |
c = 204.897 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | AREA DETECTOR | CUSTOM-MADE | 2000-05-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-BM | APS | 19-BM |
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 | 1.79 | 99 | 85.6 | 0.085 | 5.8 | 3.5 | 23540 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.79 | 1.85 | 50.7 | 0.296 | 1357 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.79 | 99 | 23487 | 1203 | 85.58 | 0.1756 | 0.173 | 0.18 | 0.2258 | 0.24 | RANDOM | 18.957 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
-0.99 | 2.63 | -1.64 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.293 |
r_dihedral_angle_4_deg | 22.074 |
r_dihedral_angle_3_deg | 13.65 |
r_dihedral_angle_1_deg | 6.283 |
r_mcangle_it | 1.784 |
r_angle_refined_deg | 1.29 |
r_mcbond_it | 1.083 |
r_mcbond_other | 1.079 |
r_angle_other_deg | 0.765 |
r_chiral_restr | 0.08 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 2753 |
Nucleic Acid Atoms | |
Solvent Atoms | 299 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |