4J5U
X-ray crystal structure of a serine hydroxymethyltransferase with covalently bound PLP from Rickettsia rickettsii str. Sheila Smith
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3ECD | PDB entry 3ECD |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 289 | 0.2 M Magnesium Chloride, 0.1 M MES:NaOH pH 6.5, 10% (w/v) PEG 4000, 22.4 mg/mL protein, VAPOR DIFFUSION, SITTING DROP, temperature 289K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.06 | 40.22 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 56.27 | α = 90 |
b = 113.28 | β = 114.91 |
c = 65.91 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | ADSC QUANTUM 315r | 2013-01-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | 1.28357 | SSRL | BL7-1 |
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 | 1.7 | 50 | 98.6 | 0.035 | 25.37 | 82323 | 81184 | -3 | 23.198 |
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 | 1.7 | 1.74 | 97.4 | 0.2 | 5.42 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB entry 3ECD | 1.7 | 19.625 | 1.34 | 82323 | 81155 | 4057 | 98.89 | 0.1779 | 0.176 | 0.2145 | 19.8207 |
Temperature Factor Modeling | ||||||
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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 |
f_dihedral_angle_d | 14.033 |
f_angle_d | 1.145 |
f_chiral_restr | 0.076 |
f_bond_d | 0.006 |
f_plane_restr | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6448 |
Nucleic Acid Atoms | |
Solvent Atoms | 771 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
XSCALE | data scaling |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
XDS | data reduction |
PHASER | phasing |