4HV4
2.25 Angstrom resolution crystal structure of UDP-N-acetylmuramate--L-alanine ligase (murC) from Yersinia pestis CO92 in complex with AMP
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 295 | Protein 7.4 mg/mL in 10 mM Tris-HCl pH8.3 0.5 M NaCl 5 mM BME, 1 mM ADP, 1 mM MgCl2 Crystallization: The PACT Suite (G7) - 0.2 M Sodium acetate 0.1 M Bis Tris propane pH 7.5 20% (w/v) PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.2 | 44.16 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 66.534 | α = 90 |
b = 78.021 | β = 90 |
c = 183.296 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 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 | 100 | CCD | MARMOSAIC 300 mm CCD | Be Lenses | 2012-10-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.97856 | APS | 21-ID-G |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.25 | 30 | 99.3 | 0.093 | 17.8 | 6.9 | 45997 | 45997 | -3 | 36.8 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.25 | 2.29 | 98.2 | 0.554 | 3.68 | 6.8 | 2259 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | PDB entry 2F00 | 2.25 | 29.7 | 43511 | 43511 | 2317 | 99.28 | 0.18184 | 0.1795 | 0.22437 | RANDOM | 31.203 |
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] | |
-1.41 | -1.1 | 2.5 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 27.795 |
r_dihedral_angle_4_deg | 12.677 |
r_dihedral_angle_3_deg | 10.753 |
r_scangle_it | 4.48 |
r_scbond_it | 2.881 |
r_dihedral_angle_1_deg | 2.503 |
r_mcangle_it | 1.691 |
r_angle_refined_deg | 1.589 |
r_mcbond_it | 0.915 |
r_angle_other_deg | 0.867 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7099 |
Nucleic Acid Atoms | |
Solvent Atoms | 282 |
Heterogen Atoms | 54 |
Software
Software | |
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Software Name | Purpose |
Blu-Ice | data collection |
PHASER | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |