1E8C
Structure of MurE the UDP-N-acetylmuramyl tripeptide synthetase from E. coli
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | HANGING DROP EXPERIMENT RESERVOIR: 13% PEG MME 5K, 0.5M LICL, 10% ISOPROPANOL, 0.1M HEPES PH 7.5, 5MM DTT, 1MM UDP-TRIPEPTIDE DROP: 2UL PROTEIN SOLUTION (MURE @ 10MGML-1 IN 20MM HEPES PH 7.5, 200MM NACL, 5MM DTT) WITH 2UL RESERVOIR SOLUTION. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.8 | 47 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 93.465 | ¦Á = 90 |
b = 99.69 | ¦Â = 90 |
c = 236.146 | ¦Ã = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
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 | 110 | CCD | MARRESEARCH | 1999-11-15 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM14 | 0.9791,0.9790,0.8550,0.93 | ESRF | BM14 |
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 | 46.7 | 98.3 | 0.066 | 4.5 | 323548 | 19.3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.13 | 91.2 | 0.22 | 3.9 |
Refinement
Statistics | |||||||||||||||||||
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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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 2 | 46.73 | 72674 | 7348 | 98 | 0.202 | 0.202 | 0.23 | RANDOM | 34.4 |
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] | |
1.81 | -0.95 | -0.87 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23.5 |
c_angle_deg | 1.3 |
c_improper_angle_d | 0.78 |
c_bond_d | 0.006 |
c_bond_d_na | |
c_bond_d_prot | |
c_angle_d | |
c_angle_d_na | |
c_angle_d_prot | |
c_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7528 |
Nucleic Acid Atoms | |
Solvent Atoms | 393 |
Heterogen Atoms | 141 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
DENZO | data reduction |
XDS | data reduction |
SCALEPACK | data scaling |
SCALA | data scaling |
SOLVE | phasing |