4CWA
Structure of Plasmodium Falciparum Spermidine Synthase in Complex with 1H-Benzimidazole-2-pentanamine
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2I7C | PDB ENTRY 2I7C |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 27 % PEG 3350, 0.1 M MES PH 5.5, 0.1 M AMMONIUMSULPHATE |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.34 | 63.16 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 197.498 | ¦Á = 90 |
b = 134.38 | ¦Â = 94.53 |
c = 48.277 | ¦Ã = 90 |
Symmetry | |
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Space Group | C 1 2 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 | 110 | CCD | MARRESEARCH 165 MM | MULTILAYER MIRROR | 2012-09-28 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | MAX II BEAMLINE I911-2 | MAX II | I911-2 |
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 | 1.83 | 30 | 97.9 | 0.08 | 12.85 | 3.13 | 108674 | 1 |
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 | 1.83 | 1.94 | 94.2 | 0.46 | 2.96 | 3.04 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | PDB ENTRY 2I7C | 2.02 | 26.63 | 76694 | 4037 | 98.41 | 0.20693 | 0.20513 | 0.24102 | RANDOM | 23.96 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.102 |
r_dihedral_angle_4_deg | 21.357 |
r_dihedral_angle_3_deg | 15.157 |
r_dihedral_angle_1_deg | 6.69 |
r_angle_refined_deg | 1.935 |
r_angle_other_deg | 0.902 |
r_chiral_restr | 0.12 |
r_bond_refined_d | 0.019 |
r_gen_planes_refined | 0.009 |
r_bond_other_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6649 |
Nucleic Acid Atoms | |
Solvent Atoms | 352 |
Heterogen Atoms | 47 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
SCALEPACK | data scaling |
MOLREP | phasing |