Crystal structure of the NTS-DBL1(alpha-1) domain of the Plasmodium falciparum membrane protein 1 (PfEMP1) from the varO strain.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | VAPOUR DIFFUSION WITH 10 MG/ML PROTEIN AND 0.2M NACL, WITH 1.2 MOLAR EXCESS HEPARIN 5KD, AGAINST 10% PEG3350, 0.2M L-PRO, 0.1M HEPES, PH 7.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.47 | 49.8 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 93.248 | α = 90 |
b = 93.248 | β = 90 |
c = 126.98 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 180 | CCD | ADSC CCD | KB-MIRRORS | 2009-04-19 | M | SINGLE WAVELENGTH | |||||
2 | 1 | x-ray | 180 | CCD | ADSC CCD | KB-MIRRORS | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SOLEIL BEAMLINE PROXIMA 1 | SOLEIL | PROXIMA 1 | |
2 | SYNCHROTRON | ESRF BEAMLINE ID23-1 | ESRF | ID23-1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.06 | 34.58 | 99.4 | 0.05 | 16.7 | 4.7 | 35051 | 42.4 |
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 | 2.06 | 2.1 | 98.7 | 0.58 | 1.8 | 2.9 |
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | NONE | 2.06 | 28.72 | 35007 | 1757 | 99.19 | 0.1835 | 0.1818 | 0.1914 | 0.2161 | 0.228 | RANDOM | 49.86 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
0.0897 | 0.0897 | -0.1794 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 19.53 |
t_omega_torsion | 2.98 |
t_angle_deg | 1.06 |
t_bond_d | 0.01 |
t_dihedral_angle_d | |
t_incorr_chiral_ct | |
t_pseud_angle | |
t_trig_c_planes | |
t_gen_planes | |
t_it |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3650 |
Nucleic Acid Atoms | |
Solvent Atoms | 267 |
Heterogen Atoms | 33 |
Software
Software | |
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Software Name | Purpose |
BUSTER | refinement |
XDS | data reduction |
SCALA | data scaling |
autoSHARP | phasing |