3N77
Crystal structure of Idp01880, putative NTP pyrophosphohydrolase of Salmonella typhimurium LT2
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3GRN |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 293 | 200nl of protein at 20mg/ml was mixed with 200nl of 0.1M Ammonium acetate, 0.1M Bis-Tris pH5.5, 17%w/v PEG10000 suspended over reservoir of 60 ul of 1.5M NaCl, vapor diffusion, sitting drop, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.09 | 41.08 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 44.498 | α = 90 |
b = 66.268 | β = 113.87 |
c = 50.836 | 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 | MARMOSAIC 225 mm CCD | 2009-10-31 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-BM | 1.000 | APS | 22-BM |
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 | 1.86 | 40 | 97.2 | 0.067 | 14.2 | 3.2 | 22053 |
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) | |||||||||||
1.86 | 1.93 | 79.4 | 0.211 | 2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 3GRN | 1.86 | 38.06 | 20995 | 1041 | 96.99 | 0.17 | 0.16694 | 0.23348 | RANDOM | 31.844 |
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] | |
0.18 | 1.11 | 0.18 | 0.54 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.907 |
r_dihedral_angle_4_deg | 18.247 |
r_dihedral_angle_3_deg | 14.475 |
r_dihedral_angle_1_deg | 6.782 |
r_angle_refined_deg | 1.552 |
r_angle_other_deg | 1.196 |
r_chiral_restr | 0.107 |
r_bond_refined_d | 0.017 |
r_gen_planes_refined | 0.008 |
r_bond_other_d | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2262 |
Nucleic Acid Atoms | |
Solvent Atoms | 204 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
SERGUI | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
BALBES | phasing |