7NTB
Crystal structure of human carbonic anhydrase with a benzophenone-derivative
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1CA2 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 293 | 2.6 M ammonium sulphate, 0.3 M sodium chloride, 0.1 M Tris-HCl, pH 8.5, 5 mM 4-(hydroxymercurybenzoate) |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.08 | 41 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 42.14 | α = 90 |
b = 41.31 | β = 104.39 |
c = 72.1 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 1 21 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 | RIGAKU SATURN 944+ | 2015-03-02 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.54178 |
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 | 1.7 | 20 | 95.9 | 0.084 | 39.1 | 3.8 | 25551 |
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 | 1.7 | 1.76 | 86.5 | 0.095 | 2.6 |
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-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | 1CA2 | 1.7 | 20 | 25392 | 1227 | 95.1 | 0.1726 | 0.2168 | 12.3701 |
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] | |
0.955 | -0.678 | 0.521 | -1.476 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_scangle_it | 2.805 |
c_scbond_it | 1.919 |
c_mcangle_it | 1.744 |
c_angle_d | 1.521 |
c_mcbond_it | 1.184 |
c_bond_d | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 2058 |
Nucleic Acid Atoms | |
Solvent Atoms | 299 |
Heterogen Atoms | 39 |
Software
Software | |
---|---|
Software Name | Purpose |
SCALEPACK | data scaling |
CNS | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
CNS | phasing |