2PZF
Minimal human CFTR first nucleotide binding domain as a head-to-tail dimer with delta F508
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 2PZE | PDB ENTRY 2PZE |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 8.5 | 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 Tris pH 8.5, 35% PEG 4K, 0.2M NaAcetate; Cryo: 25% DMSO, vapor diffusion, temperature 281K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.1 | 41.33 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 43.152 | α = 90 |
b = 92.662 | β = 90 |
c = 106.471 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 21 |
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 | MAR CCD 165 mm | mirrors | 2007-02-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 31-ID | 0.9797 | APS | 31-ID |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2 | 25.583 | 98.6 | 0.127 | 0.127 | 4.1 | 6.5 | 29245 | 29245 | 28.6 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2 | 2.11 | 96.9 | 0.786 | 0.786 | 0.9 | 6.3 | 4112 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 2PZE | 2 | 25.118 | 29187 | 29187 | 1493 | 98.4 | 0.213 | 0.213 | 0.2107 | 0.2512 | RANDOM | 29.015 |
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] | |
0.913 | 0.587 | -1.499 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_planar_tor | 5.626 |
r_scangle_it | 3.827 |
r_scbond_it | 2.693 |
r_mcangle_it | 1.927 |
r_angle_d | 1.326 |
r_mcbond_it | 1.081 |
r_chiral_restr | 0.083 |
r_bond_d | 0.01 |
r_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3254 |
Nucleic Acid Atoms | |
Solvent Atoms | 130 |
Heterogen Atoms | 64 |
Software
Software | |
---|---|
Software Name | Purpose |
SCALA | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MAR345 | data collection |
MOSFLM | data reduction |
MOLREP | phasing |