1NQF
OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI, METHIONINE SUBSTIUTION CONSTRUCT FOR SE-MET SAD PHASING
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.6 | 293 | PEG3350, MAGNESIUM ACETATE, BIS-TRIS, N-OCTYL TETRAOXYETHELYENE, tris-(2-carboxyethyl)phosphine hydrochloride , pH 6.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.27 | 62.36 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 81.614 | ¦Á = 90 |
b = 81.614 | ¦Â = 90 |
c = 226.653 | ¦Ã = 120 |
Symmetry | |
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Space Group | P 31 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | SBC-2 | Rosenbaum-Rock vertical focusing mirror | 2002-03-05 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.9790 | APS | 19-ID |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2.7 | 30 | 95.4 | 0.085 | 20.2 | 6.6 | 44260 | -3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.7 | 2.8 | 84.6 | 0.536 | 2.7 | 3915 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | SAD/DM | THROUGHOUT | 2.7 | 20 | 22832 | 22706 | 1216 | 96.45 | 0.246 | 0.246 | 0.244 | 0.288 | RANDOM | 39.163 |
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] | |
0.56 | 0.28 | 0.56 | -0.84 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_scangle_it | 25.098 |
r_dihedral_angle_3_deg | 22.895 |
r_scbond_it | 20.052 |
r_mcangle_it | 13.703 |
r_mcbond_it | 11.309 |
r_dihedral_angle_1_deg | 5.664 |
r_angle_refined_deg | 1.818 |
r_angle_other_deg | 0.77 |
r_symmetry_hbond_other | 0.592 |
r_symmetry_hbond_refined | 0.565 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4294 |
Nucleic Acid Atoms | |
Solvent Atoms | 69 |
Heterogen Atoms | 127 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SCALEPACK | data scaling |
SnB | phasing |
CNS | refinement |
SHARP | phasing |
DENZO | data reduction |
CNS | phasing |