2PZE
Minimal human CFTR first nucleotide binding domain as a head-to-tail dimer
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1XMI | PDB ENTRY 1XMI |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 7.5 | 281 | Protein: 9.5mg/ml NBD1, 0.15M NaCl, 0.01M methionine, 0.01M HEPES pH 7.5, 10% glycerol, 0.001M TCEP, 0.002M ATP; Well: 0.1M Hepes pH 7.5, 25% PEG 6K; Cryo: 25% DMSO, vapor diffusion, temperature 281K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.09 | 41.11 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 42.803 | α = 90 |
b = 92.779 | β = 90 |
c = 107.419 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | MAR CCD 165 mm | mirrors | 2006-12-13 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 31-ID | 0.9796 | APS | 31-ID |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.7 | 22.094 | 98.7 | 0.086 | 0.086 | 5.7 | 3.7 | 47121 | 47121 | 20.6 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.7 | 1.79 | 98.6 | 0.749 | 0.749 | 0.8 | 3.6 | 6796 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | FREE R-VALUE | PDB ENTRY 1XMI | 1.7 | 21.296 | 47005 | 47005 | 2405 | 98 | 0.212 | 0.212 | 0.2101 | 0.2468 | RANDOM | 23.89 |
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] | |
0.825 | -0.187 | -0.639 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_planar_tor | 5.601 |
r_scangle_it | 4.438 |
r_scbond_it | 3.056 |
r_mcangle_it | 2.137 |
r_angle_d | 1.358 |
r_mcbond_it | 1.182 |
r_chiral_restr | 0.085 |
r_bond_d | 0.01 |
r_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3342 |
Nucleic Acid Atoms | |
Solvent Atoms | 194 |
Heterogen Atoms | 64 |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MAR345 | data collection |
MOSFLM | data reduction |
MOLREP | phasing |